Brother DCP-7055 Service Manual
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Brother DCP-7055 Service Manual

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See also: Advanced User's Manual , User Manual
DCP- 7055/7057/7057E/7060D/7065DN
DCP- 7070DW/HL-2280DW
MFC- 7360/7360N/7362N/7460DN
MFC- 7470D/7860DN/7860DW
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
December 2010
SM-FAX122
8C5E01
Brother Laser MFC

SERVICE MANUAL

MODEL:
Confidential
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Summary of Contents for Brother DCP-7055

  • Page 1: Service Manual

    Brother Laser MFC SERVICE MANUAL MODEL: DCP- 7055/7057/7057E/7060D/7065DN DCP- 7070DW/HL-2280DW MFC- 7360/7360N/7362N/7460DN MFC- 7470D/7860DN/7860DW Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. December 2010 SM-FAX122 8C5E01...
  • Page 2 TRADEMARKS The Brother logo is a registered trademark of Brother Industries, Ltd. Apple and Macintosh are trademarks of Apple Inc., registered in the United States and other countries. PCL is either a trademark or a registered trademark of Hewlett-Packard Company in the United States and other countries.

  • Page 3: Table Of Contents

    CONTENTS REGULATION ......................vii SAFETY INFORMATION ..................xiv CHAPTER 1 SPECIFICATIONS 1. SPECIFICATIONS LIST ......................1-1 General ..........................1-1 Network Connectivity ......................1-6 Service Information ......................1-7 Consumables ........................1-8 Paper ..........................1-9 1.5.1 Paper handling ....................... 1-9 1.5.2 Media specifications ....................1-9 Unprintable Area .......................
  • Page 4 3.5.1 Pickup function of Paper tray does not work............2-71 3.5.2 No feeding ......................2-71 3.5.3 No paper fed manual feed slot (Error code 9A) ............ 2-72 3.5.4 Double feeding ..................... 2-72 3.5.5 Paper jam ......................2-73 3.5.6 Dirt on paper ......................2-75 3.5.7 Paper feeding at an angle ..................

  • Page 5: Chapter 3 Disassembly/Reassembly

    3.13.4 Low voltage power supply PCB ASSY failure ............ 2-103 3.13.5 NCU ASSY failure ....................2-103 3.14 Other Problems ....................... 2-104 3.14.1 The machine is not turned ON, or the LCD indication does not appear ..... 2-104 3.14.2 The fan motor 60 ASSY does not rotate............2-104 3.14.3 The room temperature is high or low ..............
  • Page 6 9.10.14Document Scanning Position Detection Sensor / Document Detection/ADF Cover Open Sensor ............ 3-59 9.11 Document Cover ASSY (For models without ADF) ............3-61 9.12 Pull Arm L / Pull Arm R / Pull Arm Spring ................. 3-63 9.13 Document Scanner Unit ....................3-66 9.14 Panel Unit .........................

  • Page 7: Chapter 5 Service Functions

    Inputting the Adjusted Value of the Laser Unit ..............4-4 Acquisition of White Level Data (Maintenance Mode: Code 55) ........4-5 Operation Check of Sensors (Maintenance Mode: Code 32) ..........4-5 2. IF YOU REPLACE THE LASER UNIT ..................4-6 Inputting the Adjusted Value of the Laser Unit ..............
  • Page 8 1.4.17 Fine adjustment of scan start/end positions (Function code 54) ......5-26 1.4.18 Acquisition of white level data (Function code 55) ..........5-27 1.4.19 Continuous print test (Function code 67) ............. 5-28 1.4.20 Setting by country (Function code 74) ..............5-29 1.4.21 Printout of maintenance information (Function code 77) ........

  • Page 9: Regulation

    THIS EQUIPMENT IS DESIGNED TO WORK WITH A TWO WIRE ANALOGUE PSTN LINE FITTED WITH THE APPROPRIATE CONNECTOR. Brother advises that this product may not function correctly in a country other than where it was originally purchased, and does not offer any warranty in the event that this product is used on public telecommunication lines in another country.

  • Page 10: Disconnect Device

    IEC60825-1:2007 Specification (For 220-240V models only) This product is a Class 1 laser product as defined in IEC60825-1:2007 specifications. The label shown below is attached in countries where required. This product has a Class 3B Laser Diode which emits invisible laser radiation in the scanner unit.

  • Page 11: Radio Interference

    Radio Interference This product complies with EN55022 (CISPR Publication 22)/Class B. EU Directive 2002/96/EC and EN50419 This equipment is marked with the above recycling symbol. It means that at the end of the life of the equipment you must dispose of it separately at an appropriate collection point and not place it in the normal domestic unsorted waste stream.
  • Page 12 If you are not able to solve a problem with your product, call Brother Customer Service. (See Brother numbers in the Basic User's Guide.) WARNING For protection against the risk of electrical shock, always disconnect all cables from the wall outlet before servicing, modifying or installing the equipment.
  • Page 13 Important A shielded interface cable should be used to ensure compliance with the limits for a Class B digital device. Changes or modifications not expressly approved by Brother Industries, Ltd. could void the user’s authority to operate the equipment. Confidential...
  • Page 14 Industry Canada Compliance Statement (For Canada) This Class B digital apparatus complies with Canadian ICES–003. Cet appareil numérique de la classe B est conforme à la norme NMB–003 du Canada. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of this device.

  • Page 15: Internal Laser Radiation

    FDA regulations and must be attached to laser products marketed in the United States. MANUFACTURED: BROTHER INDUSTRIES (VIETNAM) LTD. Phuc Dien Industrial Zone Cam Phuc Commune, Cam giang Dist Hai Duong Province, Vietnam. This product complies with FDA performance standards for laser products except for deviations pursuant to Laser Notice No.

  • Page 16: Safety Information

    SAFETY INFORMATION Caution for Laser Product (WARNHINWEIS fur Laser drucker) CAUTION: When the machine during servicing is operated with the cover open, the regulations of VBG 93 and the performance instructions for VBG 93 are valid. CAUTION: In case of any trouble with the laser unit, replace the laser unit itself. To prevent direct exposure to the laser beam, do not try to open the enclosure of the laser unit.
  • Page 17 Definitions of Warnings, Cautions, Notes and Memos The following conventions are used in this manual: Mark Contents Warnings tell you what to do to prevent possible personal injury. Electrical Hazard icons alert you to a possible electrical shock. Hot Surface icons warn you not to touch machine parts that are hot. Cautions specify procedures you must follow or avoid to prevent possible damage to the machine or other objects.

  • Page 18: Safety Precautions

    Safety Precautions Listed below are the various kinds of “WARNING” messages included in this manual. WARNING There are high voltage electrodes inside the machine. Before you clean the inside of the machine or replace parts, make sure that you have turned off the power switch and unplugged the machine from the AC power outlet.
  • Page 19 WARNING DO NOT use flammable substances such as alcohol, benzine, thinner or any type of spray to clean the inside or outside of the machine. Doing this may cause a fire or electrical shock. If the machine becomes hot, blows smoke, or generates obscure odor, immediately turn off the power switch and unplug the machine from the AC power outlet.
  • Page 20 CAUTION When you move the machine, grasp the side handholds that are under the scanner. DO NOT carry the machine by holding it at the bottom. To prevent injuries, be careful not to put your hands on the edge of the product under the scanner as shown in the illustrations.

  • Page 21: Chapter 1 Specifications

    CHAPTER SPECIFICATIONS...
  • Page 22 CHAPTER 1 SPECIFICATIONS This chapter lists the specifications of each model. CONTENTS 1. SPECIFICATIONS LIST ....................1-1 1.1 General........................1-1 1.2 Network Connectivity..................... 1-6 1.3 Service Information....................1-7 1.4 Consumables......................1-8 1.5 Paper ........................1-9 1.5.1 Paper handling ................... 1-9 1.5.2 Media specifications ...................

  • Page 23: Specifications List

    1. SPECIFICATIONS LIST General DCP-7055 DCP-7070DW Model DCP-7057 DCP-7060D DCP-7065DN HL-2280DW DCP-7057E Print method Electrophotographic / Laser Resolution 600 dpi x 600 dpi, 2400 dpi (2400 X 600) quality Print speed Up to 20/21 Up to 24/24 Up to 26/27 ppm (A4/Letter...
  • Page 24 DCP-7055 DCP-7070DW Model DCP-7057 DCP-7060D DCP-7065DN HL-2280DW DCP-7057E Noise Level Sound pressure Printing: 53 dB (A) Ready: 30 dB (A) Sound power Printing: For U.S.A. For U.S.A. Printing: 6.60 B (A) Printing: Printing: 6.40 B (A) Ready: 6.74 B (A) 6.81 B (A)
  • Page 25 MFC-7460DN MFC-7360N Model MFC-7360 MFC-7470D MFC-7860DW MFC-7362N MFC-7860DN Print method Electrophotographic / Laser Resolution 600 dpi x 600 dpi, 2400 dpi (2400 X 600) quality Print speed Up to 24/24 ppm (A4/Letter Up to 26/27 ppm (A4/Letter size) size) * When loading A4 or Letter-size paper from the paper tray.

  • Page 26: Computer Requirements

    MFC-7460DN MFC-7360N Model MFC-7360 MFC-7470D MFC-7860DW MFC-7362N MFC-7860DN Dimensions Carton Size For models without Handset: (W x D x H) 527 x 510 x 493 mm (20.8 x 20.1 x 19.4 inch) For models with Handset: 573 x 510 x 493 mm (22.6 x 20.1 x 19.4 inch) Machine Size For models without Handset: 405 x 398.5 x 316 mm (15.95 x 15.7 x 12.45 inch)
  • Page 27 ® *1 Internet Explorer 6.0 or greater. *2 For WIA, 1200 x 1200 resolution. Brother Scanner Utility enables to enhance up to 19200 x 19200 dpi. *3 Third-party USB ports are not supported. *4 PC-Fax supports black and white only.

  • Page 28: Network Connectivity

    Network Connectivity DCP-7065DN DCP-7055/7057 MFC-7360N DCP-7070DW Model DCP-7057E/7060D MFC-7362N HL-2280DW MFC-7360/7470D MFC-7460DN MFC-7860DW MFC-7860DN Wired Network node NC-8200h network type Network type N/A Ethernet 10/100 BASE-TX Network APOP, POP before SMTP, SMTP-AUTH security Wireless Network node NC-7800w network type Network type N/A IEEE802.11b/g...

  • Page 29: Service Information

    Service Information Part Approximate Life (pages) Machine life Approximately 50,000 pages (A4/Letter) or 5 years Part life (ADF) 50,000 pages or 5 years Part life (Scanner) 50,000 pages or 5 years Maximum monthly volume DCP7055/7057/7057E: Up to 8,000 pages Other models: Up to 10,000 pages Periodical Fuser unit 50,000 pages...

  • Page 30: Consumables

    Approximate Life Toner Starter Except for China/ Asia: Approximately 700 pages/cartridge cartridge Toner For China/ Asia: N/A Standard Toner Except for China : Approximately 1,000 pages/cartridge For China : Approximately 700 pages/cartridge Approximately 1,200 pages/cartridge High ...

  • Page 31: Paper

    Paper 1.5.1 Paper handling Model All models Paper Input Manual feed slot 1 sheet Paper tray 250 sheets 35 sheets (Only for ADF models) Paper Output Face-down 100 sheets Face-up 1 sheet (straight paper path) Duplex (Only for Duplex models) Specifications are subject to change without notice.

  • Page 32: Unprintable Area

    Unprintable Area Portrait Landscape ® Windows printer driver and Macintosh printer driver ® BRScript printer driver for Windows and Macintosh 4.23 mm (0.16 inch) 4.23 mm (0.16 inch) Note : • The area that cannot be printed on may vary depending on the paper size and the printer driver you are using.

  • Page 33: Copy

    Copy DCP-7060D/7065DN/7070DW HL-2280DW Model DCP-7055/7057/7057E MFC-7360/7360N/7362N/7460DN/ 7470D/7860DN MFC-7860DW Copy Speed Monochrome 20/21 cpm: DCP-7055/7057/7057E (ADF) (A4/Letter) 24/24 cpm: DCP-7060D/MFC-7360/7360N/7362N 26/27 cpm: DCP-7065DN/7070DW/HL-2280DW/ MFC-7460DN/7470D/7860DN/7860DW First copy From Ready Less than 12 seconds Less than 11 seconds out time mode and standard...

  • Page 34: Unscannable Area

    1.11 Unscannable Area The scannable area depends on the settings in the application you are using. The figures below show unscannable areas. Usage Document Size Top (1) Left (2) Bottom (1) Right (2) Letter 3 mm (0.12 inch) 3.95 mm (0.15 inch) 3 mm (0.12 inch) 3 mm (0.12 inch) Copy...

  • Page 35: Chapter 2 Error Indication And Troubleshooting

    CHAPTER ERROR INDICATION AND TROUBLESHOOTING...
  • Page 36 CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING This chapter details error messages and codes which the incorporated self-diagnostic function of the machine will display if any error or malfunction occurs. If any error message appears, refer to this chapter to find which parts should be checked or replaced. The latter half of this chapter provides sample problems which could occur in the main sections of the machine and related troubleshooting procedures.
  • Page 37 3.7 Software Setting Problems .................. 2-91 3.7.1 Cannot print data..................2-91 3.8 Network Problems ....................2-92 3.8.1 Cannot make a print through network connection (Wireless LAN model only) (Error code DE, EE)........2-92 3.9 Document Feeding Problems ................2-93 3.9.1 No feeding ....................2-93 3.9.2 Double feeding ..................

  • Page 38: Introduction

    1. INTRODUCTION Troubleshooting is the countermeasure procedures that the service personnel should follow if an error or malfunction occurs with the machine. It is impossible to anticipate all of the possible troubles which may occur in future and determine the troubleshooting procedures, so this chapter covers some sample troubles.

  • Page 39: Initial Check

    Initial Check Check the following items before attempting to repair the machine. ■ Operating environment (1) Put your machine on a flat, stable surface such as a desk that is free of vibration and shocks. (2) Use the machine in a well-ventilated room; use the machine within the following ranges of temperature and humidity: temperature between 10 °C and 32.5 °C (50 °F to 90.5 °F), and the relative humidity is maintained between 20 % and 80 %.
  • Page 40 ■ Others (1) Condensation When the machine is moved from a cold place into a warm room, condensation may occur inside the machine, causing various problems as listed below. • Condensation on the surface of optical devices such as the laser scanner windows, lens, reflecting mirror, and protection glass, etc, may cause light print image.

  • Page 41: Overview

    2. OVERVIEW Cross-section Drawing ■ Printer part Eject roller 2 Eject Pinch Roller Exposure drum Develop roller Supply roller Laser unit Registration rear actuator Back cover Manual paper tray cover Eject roller 1 Registration front actuator Regist roller Eject actuator Paper edge...
  • Page 42 ■ ADF part Document detection actuator Document pull-in roller Document separation roller ADF cover Separation rubber ADF cover open actuator Document feed roller Document scanning position detection actuator Document ejection roller Document detection sensor (rear side) Document hold ASSY ADF cover open sensor (front side) CIS unit...

  • Page 43: Paper Feeding

    Paper Feeding ■ Printer part Rear paper eject path Manual feed slot path Paper tray path Duplex path Fig. 2-4 Confidential...
  • Page 44 ■ ADF part [Face up] Document feed path Fig. 2-5 Confidential...

  • Page 45: Operation Of Each Part

    Operation of each part ■ Printer part Part name Operation Pick-up roller Feed the paper from the paper tray. Separation roller and Separate into single sheet from the paper tray. Separation pad Paper edge actuator Detect the rear edge of paper, and identify the paper size. (With paper edge actuator model only) Registration front actuator...

  • Page 46: Block Diagram

    Block Diagram Document Scanner Unit CIS unit Wireless LAN Document scanner drive (Wireless LAN model only) ADF Unit ADF drive motor Paper edge sensor PCB ASSY New toner sensor Document detection sensor PCB ASSY ADF cover open sensor Ppaer Edge (only for paper edge ADF cover open sensor actuator model)

  • Page 47: Components

    Components Document cover ASSY Panel unit NCU ASSY ADF unit Speaker hold spring Joint cover Document scanner unit Speaker unit Pinch rollers ASSY Back cover Outer chute ASSY Inner chute ASSY Fuser unit Fuser cover Side cover R Laser unit Low voltage power supply PCB ASSY Fan motor 60 ASSY...

  • Page 48: Life Of Toner Cartridge And Drum Unit

    Life of Toner Cartridge and Drum Unit This product detects the remaining toner only by the dot count and the number of rotations of the develop roller. The function to detect by the light sensor is not installed. As this machine is not equipped with a toner sensor as conventional models are, it manages the level of remaining toner by dot count during printing and the number of rotations of the develop roller.
  • Page 49 Life of the toner cartridges in the case that the power is turned OFF/ON for every print job 26/27ppm model Average print page (page/job) · · · Continuance Cartridge life (Starter) 2100 Cartridge life (Standard) 1100 1500 3600 Cartridge life (High-capacity) 1400 2400 3100...
  • Page 50 Life of the toner cartridges in the case that the power is turned OFF/ON for every print job in Continue Mode 26/27ppm model Average print page (page/job) · · · Continuance Cartridge life (Starter) 2700 4600 6000 15000 Cartridge life (Standard) 2700 4600 6000...
  • Page 51 The life of the drum unit is judged the value of either large one of “Drum Counter” of “Number of rotations of exposure drum”. The drum counter is based on the number of pages actually printed for every drum unit. Whenever it replace for a new drum unit, it is necessary to reset this number of sheets.

  • Page 52: Error Codes

    3. ERROR CODES This machine includes a self-diagnosis function. If the machine does not work normally it judges that an error has occurred, and indicates the corresponding error message on the LCD, which in turn helps the service men to quickly find out the problem. Error Codes The errors with a mesh background in the table below do not occur in the normal operation.
  • Page 53 Error Refer Error Refer Problem Problem codes codes Drum unit is at the end of life. An unidentified error occurred. 2-35 2-41 (Continue printing) An unidentified error occurred. 2-36 An unidentified error occurred. 2-41 An unidentified error occurred. Fuser unit error. (The center 2-36 thermistor does not detect 60°C 2-41...
  • Page 54 Error Refer Error Refer Problem Problem codes codes An unidentified error occurred. 2-47 9B Life of toner cartridge 2-54 Drum unit error (An drum error Life of toner cartridge occurred after the drum unit 2-48 (Continue mode) 2-54 reached the end of life.) Paper jam at the rear section of An unidentified error occurred.
  • Page 55 Error Refer Error Refer Problem Problem codes codes The scanning area setting right An unidentified error occurred. 2-60 2-64 edge detection error. (white tape) B5 An unidentified error occurred. 2-60 D3 An unidentified error occurred. 2-64 B6 An unidentified error occurred. 2-60 D4 An unidentified error occurred.
  • Page 56 Error Refer Error Refer Problem Problem codes codes USB flash memory does not The country code is not entered 2-70 2-70 work properly properly. F1 An unidentified error occurred. 2-70 FA An unidentified error occurred. 2-70 F2 An unidentified error occurred. 2-70 FB An unidentified error occurred.

  • Page 57: Error Messages

    Error Messages The error messages displayed on the LCD of the machine and their description are shown in the table below. Error Error Message Description Refer to: codes Access Denied The function you want to use is restricted by 2-104 Secure Function Lock.
  • Page 58 Error Error Message Description Refer to: codes Manual Feed Manual Feed was selected as the paper source when there was no paper in the 2-53 manual feed slot. No Response/Busy The number you dialed does not answer or is 2-100 busy.

  • Page 59: Communications Error Code

    Communications Error Code Code 1 Code 2 Cause Refer to: Wrong number called. 2-101 No dial tone detected before start of dialing. 2-101 Busy tone detected before dialing. 2-101 2nd dial tone not detected. 2-101 No loop current detected. 2-101 Busy tone detected after dialing or called.
  • Page 60 Code 1 Code 2 Cause Refer to: The available memory space of the remote terminal is less than that required for reception of the confidential or relay 2-101 broad-casting instruction. Remote terminal not equipped with color function. 2-101 Illegal coding system requested. 2-101 Illegal recording width requested.
  • Page 61 Code 1 Code 2 Cause Refer to: RTN, PIN, or ERR received at the calling terminal. 2-101 RTN, PIN, or ERR received at the called terminal. 2-101 Receive buffer full during receiving into memory. 2-101 Unable to receive the next-page data. 2-101 Unable to receive polling even during turn-around 2-101...

  • Page 62: Error Cause And Remedy

    Error Cause and Remedy Check the User Check items first. If an error cannot be resolved, follow the procedures in numerical order in the Step field. ■ Error code 0B, 0E These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software.
  • Page 63 ■ Error code 10 to 12, 16 to 18 These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. ...
  • Page 64 ■ Error code 1A These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. Error code 1B Drum Stop We cannot guarantee the print quality.
  • Page 65 ■ Error code 1F These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Too Many Trays Maximum number of optional trays is one. Remove additional trays. Error, which cannot be specified, occurs.
  • Page 66 ■ Error code 25 These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Print Unable 25 Turn the power off and then back on again. Error, which cannot be specified, occurs.
  • Page 67 Error code 2D Print Unable 2D Turn the power off and then back on again. Error, which cannot be specified, occurs. Error code 2E Print Unable 2E Turn the power off and then back on again. Error, which cannot be specified, occurs. Error code 2F Print Unable 2F Turn the power off and then back on again.
  • Page 68 Error code 35 Print Unable 35 Turn the power off and then back on again. Error, which cannot be specified, occurs. • Turn OFF the power switch, and turn it ON again after a while. Step Cause Remedy Main PCB failure Replace the main PCB ASSY.
  • Page 69 Error code 3A Print Unable 3A Turn the power off and then back on again. Error, which cannot be specified, occurs. • Turn OFF the power switch, and turn it ON again after a while. Step Cause Remedy Main PCB failure Replace the main PCB ASSY.
  • Page 70 ■ Error code 3C These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Print Unable 3C Turn the power off and then back on again. Error, which cannot be specified, occurs.
  • Page 71 ■ Error code 44 No Toner Open the Front Cover, then install the Toner Cartridge. The toner cartridge is not installed. • Install the toner cartridge. Step Cause Remedy Dirt on the electrode of the drum Clean the dirt on the contact points of the unit and on the machine both electrodes.
  • Page 72 Error code 4A Replace Drum Error, which cannot be specified, occurs. Error code 4B Replace Drum Error, which cannot be specified, occurs. Error code 4C Drum End Soon Error, which cannot be specified, occurs. Error code 4D Drum End Soon Error, which cannot be specified, occurs.
  • Page 73 ■ Error code 51 These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Replace PF KitMP Error, which cannot be specified, occurs. Error code 52 Replace PF Kit Error, which cannot be specified, occurs.
  • Page 74 ■ Error code 57 Jam Duplex Pull out the Duplex Tray at the back of the machine and remove the jammed paper. Paper is jammed in the duplex paper feed system. • Install the duplex tray properly. • Check if the paper is jammed in the duplex tray. Step Cause Remedy...

  • Page 75: Error Code

    ■ Error code 59 Self-Diagnostic Will Automatically Restart within 15 minutes. The center thermistor of fuser unit detects error. Step Cause Remedy Harness connection failure Check the harness connection between the between fuser unit connector and fuser unit connector and paper eject sensor paper eject sensor PCB ASSY PCB ASSY, and reconnect it.
  • Page 76 ■ Error code 5A These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. Error code 5B Short Paper Open the Back Cover and then press Start.
  • Page 77 ■ Error code 63 Replace Toner Open the Front Cover, replace Toner Cartridge. The toner cartridge reached the end of life. (Continue mode off) • Replace a new toner cartridge. • Press the [MENU] button. Next, press the [1] button and [8] button to clear the stop mode*, and shift to the continue mode.
  • Page 78 ■ Error code 67 Toner Low Prepare New Toner Cartridge. The toner cartridge will reach the end of life soon. • Prepare a new toner cartridge. Step Cause Remedy New toner actuator catching on Correct the position of the new toner some position actuator.
  • Page 79 ■ Error code 6C Print Unable 6C Turn the power off and then back on again. Fuser unit error. (The center thermistor does not detect 60 °C within the specified time.) ■ Error code 6D Print Unable 6D Turn the power off and then back on again. Fuser unit error.
  • Page 80 ■ Error code 6F Print Unable 6F Turn the power off and then back on again. Fuser unit error. (The center and side thermistors detect extremely high temperature.) (Detection of hardware.) Step Cause Remedy Fuser unit connector connection Check the connector connection of the failure fuser unit and reconnect it.

  • Page 81: Error Code 71/72/73/74

    ■ Error code 71 Print Unable 71 Turn the power off and then back on again. Polygon motor error in the laser unit. Error code 72 Print Unable 72 Turn the power off and then back on again. Beam detecting sensor error of the laser unit. Step Cause Remedy...
  • Page 82 ■ Error code 75 Cooling Down Wait for a while Cooling down the inside of the machine to protect it. • Leave the machine for a while as the power remains ON. Step Cause Remedy Internal temperature sensor failure Replace the internal temperature sensor. Main PCB failure Replace the main PCB ASSY.
  • Page 83 ■ Error code 7B These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Print Unable 7B Turn the power off and then back on again. Error, which cannot be specified, occurs.
  • Page 84 ■ Error code 7E This error does not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. ...
  • Page 85 ■ Error code 83 Drum Stop Replace the Drum Unit. Refer to the instructions in the carton of the new drum. Drum unit error. (An drum error occurred after the drum unit reached the end of life.) • Replace the drum unit with a new one and reset the drum counter. (Refer to "2.2 Parts Life Reset Function"...
  • Page 86 ■ Error code 85 These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. No Tray A Tray is not detected, install #T. Error, which cannot be specified, occurs.
  • Page 87 ■ Error code 89 Size Error DX Specify the correct paper and press Start. Check that the paper smaller than the specified size is not loaded. • Use the A4 or Letter size paper. Step Cause Remedy Main PCB failure Replace the main PCB ASSY.
  • Page 88 ■ Error code 8B These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Jam Tray 2 Remove the jammed paper from Tray 2. Error, which cannot be specified, occurs.
  • Page 89 ■ Error code 8E, 8F These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. Error code 90 Size mismatch Reload correct paper, then press Start.
  • Page 90 Error code 97 Size mismatch Reload correct paper, then press Start. Error, which cannot be specified, occurs. Error code 98 Size mismatch Reload correct paper, then press Start. Error, which cannot be specified, occurs. Error code 99 Size mismatch DX Press Job Cancel.
  • Page 91 ■ Error code 9B Toner Ended Open the Front Cover, replace Toner Cartridge. The toner cartridge reached the end of life. • Replace the toner cartridge. Step Cause Remedy Main PCB failure Replace the main PCB ASSY. ■ Error code 9C (For the models without FAX function) Replace Toner Open the Front Cover, replace Toner Cartridge.
  • Page 92 ■ Error code 9D to 9F, A0 These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. ...
  • Page 93 ■ Error code A2 Document Jam Clear the scanner jam, then press the Stop Key. During scanning, 90 cm or longer of a document is detected. • Check if the document or the foreign object is jammed in the ADF. If it is jammed, remove Step Cause Remedy...
  • Page 94 ■ Error code A4 Cover is Open Close the ADF Cover. The ADF cover is open. • Close the ADF cover. Step Cause Remedy Coming off of document detection Re-assemble the document detection actuator/ADF cover open actuator actuator/ADF cover open actuator. Harness connection failure of Check the harness connection of the document detection sensor/ADF...

  • Page 95: Error Code A8/A9/Ad

    ■ Error code A8 Scan Unable A8 See Troubleshooting and routine maintenance chapter in User's Guide. Scanning color parameter error for recording the image. Step Cause Remedy White level data failure Execute the "Acquisition of white level data (Function code 55)".
  • Page 96 ■ Error code AE This error does not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Scan Unable AE See Troubleshooting and routine maintenance chapter in User's Guide. Error, which cannot be specified, occurs.
  • Page 97 ■ Error code B1 Scanner Error B1 Dark level offset data level error for scanning. * This error is indicated on the LCD in the maintenance mode. Error code B2 Scanner Error B2 Dark level offset data level error for scanning. * This error is indicated on the LCD in the maintenance mode.
  • Page 98 ■ Error code B8 Scanner Error A/D converter standard voltage failure; at Low side. * This error is indicated on the LCD in the maintenance mode. Step Cause Remedy Document scanner unit failure Replace the document scanner unit. Main PCB failure Replace the main PCB ASSY.
  • Page 99 ■ Error code BC This error does not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. ...
  • Page 100 ■ Error code C1 to C6 These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. ...
  • Page 101 ■ Error code C9, CA to CF These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. ...
  • Page 102 ■ Error code DD Print Unable XX See Troubleshooting and routine maintenance chapter in User's Guide. Fuser unit failure except error code 6A, 6B, 6C, 6D, 6E, 6F, 76, 78, DE and E2. • Turn OFF the power switch, and turn it ON again after a while. Step Cause Remedy...
  • Page 103 ■ Error code DF This error does not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. ...
  • Page 104 ■ Error code E2 Print Unable XX Turn the power off and then back on again. When the center thermistor is lower than the idle temperature, it is detected that the side thermistor temperature is higher than 280 °C. Step Cause Remedy Heat roller dirty...

  • Page 105: Error Code E7 To E9/Ea/Eb

    ■ Error code E7 to E9, EA, EB These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, fluctuation of the power supply voltage, and failures in the software. Error, which cannot be specified, occurs. ...

  • Page 106: Error Code Ee/Ef

    ■ Error code EE Print Unable EE Turn the power off and then back on again. Unavailability of communication after connecting to the wireless LAN PCB is detected. (Wireless LAN model only) Step Cause Remedy Harness connection failure of Check the harness connection of the wireless LAN PCB wireless LAN PCB and reconnect it.
  • Page 107 ■ Error code F0 Print Unable Turn the power off and then back on again. Flash ROM error. • Turn OFF the power switch, and turn it ON again after a while. Step Cause Remedy Malfunction of firmware Rewrite the latest firmware.

  • Page 108: Paper Feeding Problems

    Paper Feeding Problems Problems related to paper feeding are end user recoverable if following the User Check items. If the same problem occurs again, follow each procedure in the order of the number described in the Step column in the tables below. 3.5.1 Pickup function of Paper tray does not work.

  • Page 109: No Paper Fed Manual Feed Slot (Error Code 9A)

    3.5.3 No paper fed manual feed slot (Error code 9A) Not detect paper at feeding from manual feed slot User Check • Load the paper into the manual feed slot. Step Cause Remedy Harness connection failure of Check the harness connection of the registration front/rear sensor PCB registration front/rear sensor PCB ASSY, ASSY...

  • Page 110: Paper Jam

    3.5.5 Paper jam • Paper tray and front cover section (Error code 8A) Paper jam at paper tray and front cover section User Check • Check if the paper is jammed in the paper tray and front cover section. If jammed, remove it. •...
  • Page 111 • Jam inside/Jam rear (Error code 84, etc) Paper jam inside and rear of the machine User Check • Check if the paper is jammed inside and rear side of the machine. If jammed, remove it. • Check if the back cover is closed certainly. •...

  • Page 112: Dirt On Paper

    • Duplex unit (Error code 57, etc) Paper jam in the duplex tray User Check • Insert the duplex tray correctly. • Check if the paper is jammed in the duplex tray. Step Cause Remedy Foreign object around duplex tray Remove the foreign object around the duplex tray.

  • Page 113: Wrinkles Or Creases

    3.5.8 Wrinkles or creases User Check • Check if the paper is no damp. • Check if the paper is loaded into the paper tray correctly. • Check if the thickness of the paper is 60 to 105 g/m • Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray.

  • Page 114: Curl In The Paper

    3.5.9 Curl in the paper User Check • Choose Reduce Paper Curl mode in the driver. • Turn the anti-curl levers to the direction of the black arrow. (Refer to Fig. 2-9.) • Lift up the support flap2, and then print. Step Cause Remedy...

  • Page 115: Prints Only Single Side Of The Paper When Duplex-Printing

    3.5.10 Prints only single side of the paper when duplex-printing User Check • Set the driver setting to the duplex-printing. • Use the paper of the A4/LETTER. 3.5.11 Cannot make print through duplex-printing User Check • Check if the back cover is closed certainly. •...

  • Page 116: Image Defect Troubleshooting

    Image Defect Troubleshooting 3.6.1 Image defect examples Light (2-80) Faulty registration (2-82) Dark (2-82) Poor fixing (2-83) Completely blank (2-83) Vertical streaks (2-85) Dirt on the back of paper (2-84) Image distortion All black (2-84) (2-84) Black vertical streaks Black horizontal White vertical White horizontal Faint print (2-87)

  • Page 117: Troubleshooting Image Defect

    3.6.2 Troubleshooting image defect Image defect related problems are user recoverable if following the User Check items. If the same problem occurs, follow each procedure in the order of the number described in the Step column in the tables below. Light ■...
  • Page 118 ■ Electrodes location of the toner cartridge and drum unit Side surface of Drum unit Fig. 2-11 ■ Electrodes location of the machine Fig. 2-12 Turn off the power switch. Unplug the machine from the AC power outlet, and leave the machine for a few minutes.

  • Page 119: Faulty Registration

    ■ Faulty registration User Check • Check that the appropriate media type is selected in the driver. Step Cause Remedy Adjusted value of the laser unit Refer to "2.1 Inputting the Adjusted Value of mistake the Laser Unit" in Chapter 4, and enter the adjusted value of the laser unit again.

  • Page 120: Poor Fixing

    ■ Poor fixing User Check • Check the machine's environment. High temperature and high humidity or low temperature and low humidity conditions can cause this problem. • Clean the corona wire of drum unit. • Replace the drum unit with a new one. •...

  • Page 121: Image Distortion

    ■ Image distortion Step Cause Remedy Laser unit not assembled correctly Assemble the laser unit correctly and secure the screw. Laser unit failure Replace the laser unit. Main PCB failure Replace the main PCB ASSY. ■ All black User Check •...

  • Page 122: Vertical Streaks

    ■ Vertical streaks User Check • This problem may occur with noise which is caused by dirt on the corona wire in the drum unit. In this case, clean the corona wire. • If the same problem occurs after printing a few pages, the adhesive of the label or the like, paper powder or dirt may be attached on the surface of the exposure drum.
  • Page 123 ■ Black horizontal stripes User Check • Clean the inside of the machine and the corona wire in the drum unit. • When the horizontal stripes at 94.2 mm are intervals, replace the drum unit with a new one. • The paper tray ground terminal provided in the machine body may be dirty.

  • Page 124: Faint Print

    ■ White vertical streaks User Check • Check if there is no dust in the gap between the toner cartridge and drum unit. • Replace the toner cartridge with a new one. • Check the machine's environment. High temperature and high humidity or low temperature and low humidity conditions can cause this problem.

  • Page 125: White Spots

    ■ White spots User Check • When the white spots at 32.5 mm are intervals, replace the toner cartridge with a new one. • If the same problem occurs after printing a few pages, the adhesive of the label or the like, paper powder or dirt may be attached on the surface of the exposure drum.

  • Page 126: Horizontal Lines

    ■ Black band User Check • Clean the inside of the machine and the corona wire in the drum unit. If the same problem occurs after cleaning, replace the drum unit with a new one. • The paper tray ground terminal provided in the machine body may be dirty.
  • Page 127 ■ Ghost User Check • Check the machine's environment. High temperature and high humidity or low temperature and low humidity conditions can cause this problem. • Choose Reduce Ghosting mode in the driver. • Replace the toner cartridge with a new one. Step Cause Remedy...

  • Page 128: Software Setting Problems

    (3) Select the “USB” at the bottom of “Hardware” in left side “Content”. (4) Select the “MFC-XXXX” in the “USB Device Tree”. (5) Check the “Product ID” in the “MFC-XXXX”. Product ID (Hexadecimal) • DCP-7055 : 0248h • MFC-7360 : 024Dh •...

  • Page 129: Network Problems

    Network Problems 3.8.1 Cannot make a print through network connection (Wireless LAN model only) (Error code DE, EE) User Check • Check the descriptions in the network user’s guide. • Reset the machine back to its default printer settings. (Refer to the following operations.) •...

  • Page 130: Document Feeding Problems

    Document Feeding Problems 3.9.1 No feeding User Check • Set the document so that it contacts the rear of the tray, and check that LCD display varies. • Check if the number of the documents complies with the specifications in the specification list.

  • Page 131: Paper Jam

    3.9.3 Paper jam ■ Paper jam in the ADF cover (Error code A3, etc) User Check • Check whether the document does not use the paper which is thinner than the specification. • Check whether length does not use paper equal to or less than 147.3 mm. Step Cause Remedy...

  • Page 132: Wrinkles

    3.9.4 Wrinkles ■ Paper jam in the ADF cover (Error code A3, etc) User Check • Check if the document is loaded into the ADF correctly. • Check whether the document guide matches the document size. • Check whether the document does not curl. Step Cause Remedy...

  • Page 133: Scanning Image Defect Troubleshooting

    3.10 Scanning Image Defect Troubleshooting 3.10.1 Image defect examples Light (2-96) Faulty registration (2-97) Dark (2-97) Completely blank Vertical streaks (2-98) White vertical (2-98) streaks (2-98) Fig. 2-14 3.10.2 Troubleshooting image defect ■ Light on the page (Error code BB, etc) User Check •...
  • Page 134 ■ Faulty registration (Error code B3, B4, etc) - ADF Step Cause Remedy Fine adjustment of scan start Perform the fine adjustment of scan start position misalignment position. (Function code Document scanning position Correct catching of the document scanning actuator catching on some position actuator.
  • Page 135 ■ Completely blank User Check • Check if the first side and second side of the document are reversed. Step Cause Remedy CIS unit failure Replace the document scanner unit. Main PCB failure Replace the main PCB ASSY. ■ Vertical streaks User Check •...

  • Page 136: Troubleshooting Of The Control Panel

    3.11 Troubleshooting of the Control Panel 3.11.1 Nothing is displayed on the LCD User Check • Verify if the power switch is turned off. Step Cause Remedy AC cord failure Replace the AC cord. Harness connection failure of panel Reconnect the panel PCB ASSY harness. PCB ASSY Harness connection failure of LCD Check the harness connection between...

  • Page 137: Troubleshooting Of Fax/Telephone Functions

    3.12 Troubleshooting of FAX/Telephone Functions 3.12.1 FAX can't send it User Check • Verify that the telephone cord is securely inserted into the right socket. • Check the dial mode setting again. Step Cause Remedy Connection between main PCB and Connect the connector between the main NCU PCB PCB ASSY and NCU PCB ASSY...

  • Page 138: A Communication Error Occurs

    3.12.4 A communication error occurs Step Cause Remedy NCU PCB failure Replace the NCU PCB ASSY. Main PCB failure Replace the main PCB ASSY. 3.12.5 Reception mode cannot be changed User Check • Turn OFF the Distinctive ring mode. 3.12.6 Caller ID are not displayed Step Cause Remedy...

  • Page 139: Pcb Problems

    3.13 PCB Problems 3.13.1 Main PCB failure User Check • Turn the power off and on. Step Cause Remedy Main PCB failure Replace the main PCB ASSY. 3.13.2 Out of Memory Memory full User Check • Then print the stored data. •...

  • Page 140: Low Voltage Power Supply Pcb Assy Failure

    3.13.4 Low voltage power supply PCB ASSY failure User Check • Turn the power off and on. Step Cause Remedy Harness connection failure of low Check the harness connection of the low voltage power supply PCB ASSY voltage power supply PCB ASSY, and reconnect it.

  • Page 141: Other Problems

    3.14 Other Problems 3.14.1 The machine is not turned ON, or the LCD indication does not appear Step Cause Remedy AC cord failure Replace the AC cord. Harness connection failure of panel Reconnect the panel PCB ASSY harness. PCB ASSY Harness connection failure of LCD Reconnect the LCD harness.
  • Page 142 CHAPTER DISASSEMBLY/REASSEMBLY...
  • Page 143 CHAPTER 3 DISASSEMBLY/REASSEMBLY This chapter describes procedures for disassembling and assembling the machine with relates notes. The provided disassembly order flow enables you to take in the quickest way to get an involved part at a glance. At the start of disassembling, you can check the disassembly order flow which guides you through a shortcut to get to the part.
  • Page 144 9.10.11 Lower Document Chute ASSY ..............3-55 9.10.12 Ejection Roller ASSY................. 3-56 9.10.13 ADF motor ....................3-57 9.10.14 Document Scanning Position Detection Sensor / Document Detection/ ADF Cover Open Sensor........3-59 9.11 Document Cover ASSY (For models without ADF) ........... 3-61 9.12 Pull Arm L / Pull Arm R / Pull Arm Spring ............

  • Page 145: Safety Precautions

    1. SAFETY PRECAUTIONS To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. WARNING Some parts inside the machine are extremely hot immediately after the machine is used. When opening the front cover or back cover to access any parts inside the machine, never touch the shaded parts shown in the following figures.

  • Page 146: Packing

    2. PACKING Handset curled cord ASSY Telephone plug Handset ASSY Telephone line cord USB cable Quick setup Polystyrene pad R guide Insertion Polystyrene pad F Bag for user‘s guide Option carton BLLFB PE bag Polystyrene pad base Carton Confidential...

  • Page 147: Screw Catalogue

    3. SCREW CATALOGUE Screw pan (S/P washer) Taptite bind B Taptite bind B Screw pan (S/P washer) M3x10 M3x6 Taptite bind B Screw pan (S/P washer) M4x12 M3x12DB Screw pan (S/P washer) Taptite cup B M3.5x6 Taptite cup B Screw pan (S/P washer) M3x10 M3.5x8 Taptite cup S...

  • Page 148: Screw Torque List

    4. SCREW TORQUE LIST Note: • For verifying the shape of each screw, refer to "3. SCREW CATALOGUE" in this chapter. Tightening torque Location of screw Screw type Q’ty N · m (kgf · cm) Tray cover Taptite bind B M4x12 0.8±0.1 (8±1) Cord hook Taptite cup B M3x8...
  • Page 149 Tightening torque Location of screw Screw type Q’ty N · m (kgf · cm) New toner sensor PCB ASSY Taptite bind B M3x10 0.5±0.05 (5±0.5) Laser unit Taptite cup S M3x8 SR 0.8±0.05 (8±0.5) Main PCB ASSY Taptite cup S M3x6 SR 0.6±0.1 (6±1) Front chute ASSY Taptite bind B M4x12...

  • Page 150: Lubrication

    5. LUBRICATION The kind of the lubricating oil Lubrication point Quantity of lubrication (Maker name) BDX313 (A) 2mm dia. ball Hinge ASSY L (Kanto Kasei) BDX2 Hinge ASSY L 4 places BDX2 BDX2 5 places ADF unit BDX2: BDX313 (A) (2 mm dia. ball) Fig.

  • Page 151: Overview Of Gears

    6. OVERVIEW OF GEARS ■ Paper feeder part Fig. 3-2 Fig. 3-3 LY2584 Feeder gear 17 LY2046 Feeder gear idle 65 LY2047 Feeder gear LY2045 Feeder gear 21/30/17 LY2581 Feeder gear holder LY2044 Feeder gear 41 LY2582 Feeder gear spring LY2043 Feeder gear 31 pendulum LY2583 Feeder holder spring...
  • Page 152 ■ Development part Fig. 3-4 Fig. 3-5 LY2064 Develop joint link 12 LY2063 DEV gear 33 10 LY2458 Develop joint lift cam 13 LY2062 DEV gear 21/45R 11 LU2041 Develop joint lift disk * These parts are subject to change without prior notice Confidential...
  • Page 153 ■ Paper eject & Duplex part Fig. 3-6 Fig. 3-7 14 LY2011 Ejector gear 10/15 20 LY2015 DX gear 16/20 15 LY2012 Ejector gear 22 21 LY2016 DX gear 19 16 LY2013 Ejector gear 40 22 LY2454 DX gear 21M1/21M0.8 17 LY2010 Fuser gear 28/34 23 LY2038 DX gear 18 pendulum...

  • Page 154: Harness Routing

    7. HARNESS ROUTING Paper edge sensor PCB ASSY Panel PCB ASSY Guide Printer top side Paper edge sensor harness ASSY Paper edge sensor PCB ASSY 3-10 Confidential...
  • Page 155 Registration front/rear sensor PCB ASSY Guide Printer top side Low voltage power supply PCB ASSY Registration F/R sensor harness ASSY Registration front/rear sensor PCB ASSY 3-11 Confidential...
  • Page 156 Internal temperature sensor Guide Internal temperature sensor Main PCB ASSY Internal temperature Guide sensor Guide Internal temperature sensor Back side view Guide 3-12 Confidential...
  • Page 157 New toner sensor PCB ASSY Guide New toner sensor PCB ASSY Main PCB ASSY 3-13 Confidential...
  • Page 158 T1 clutch ASSY, REG clutch ASSY Main PCB ASSY Guide Guide REG clutch ASSY Guide T1 clutch ASSY 3-14 Confidential...
  • Page 159 Paper eject sensor PCB ASSY Back cover sensor Paper eject sensor PCB ASSY Guide Back cover Hooks sensor harness Main PCB ASSY Main frame L ASSY Main shield Main PCB sheet Main-eject sensor flat cable harness 3-15 Confidential...
  • Page 160 Main motor Main PCB ASSY Main motor Laser unit Laser unit Main PCB ASSY Hole of guide Guide Main-scanner flat cable Harness 3-16 Confidential...
  • Page 161 Wireless LAN PCB ASSY (wireless network model only) Wireless PCB harness ASSY Wireless LAN PCB ASSY Main PCB ASSY Guide Guide Fan motor 60 ASSY Hole of guide Hole of guide Tape High voltage power supply PCB ASSY Guide Fan motor 60 ASSY 3-17 Confidential...
  • Page 162 Low voltage power supply PCB ASSY LVPS harness ASSY Low voltage power supply PCB ASSY Main PCB ASSY Guide 3-18 Confidential...
  • Page 163 High voltage power supply PCB ASSY Guide Guide Main-HVPS flat cable harness Guide Guide Main PCB ASSY High voltage power supply PCB ASSY Fuser unit Heater harness Guide Fuser unit Guide Main frame L ASSY Side thermistor harness ASSY Center thermistor harness ASSY Main frame R ASSY 3-19 Confidential...
  • Page 164 Speaker unit Speaker unit Guide Guide Speaker harness ASSY NCU ASSY NCU unit NCU ASSY Guide Hole NCU harness ASSY 3-20 Confidential...
  • Page 165 NCU FG harness ASSY NCU FG harness ASSY Guide NCU unit LV shield plate Panel unit Scanner unit Panel PCB ASSY Guide Guide Panel harness ASSY Main PCB ASSY 3-21 Confidential...
  • Page 166 Document scanner unit CIS unit Flat cable Joint cover Hole Ferrite core FB motor harness FB FG harness Taptite cup S M3x6 ADF FG harness Main PCB ASSY 3-22 Confidential...
  • Page 167 ADF sensor Guide Guide Document scanning position detection sensor Guide Document detection / ADF cover open sensor ADF unit Hole Document scanner unit Hole Joint cover ADF sensor harness unit Main PCB ASSY 3-23 Confidential...

  • Page 168: Adf Motor

    ADF motor ADF unit Taptite cup S M3x6 ADF FG harness ADF motor Ferrite core harness ASSY Hole Document scanner unit Hole ADF motor ADF motor harness ASSY Joint cover ADF FG harness Taptite cup S M3x6 FB FG harness Main PCB 3-24 Confidential...
  • Page 169 Hook switch PCB Main PCB ASSY Side cover L Guide Hook switch PCB 3-25 Confidential...

  • Page 170: Disassembly Flow Chart

    8. DISASSEMBLY FLOW CHART Disassembly / Re-Assembly (second) 9.10.3 Document 9.10.4 Document 9.1 Paper Tray 9.7 Support Flap 1 9.28 Rubber Foot 9.2 Cord Hook Stopper Sub Tray 10/10 10/10 9.8 Side Cover L 20/15 9.27 Pick-up Roller 9.10.6 Gear Cover Duplex Tray Holder ASSY 15/10...

  • Page 171: Disassembly Procedure

    9. DISASSEMBLY PROCEDURE ■ Preparation When the machine at the user site requires to be repaired, unplugging the power cord from the electrical outlet for sending the machine for repair will lose received FAX data if left in the machine.
  • Page 172 Prior to proceeding with the disassembly procedure, (1) Unplug • the AC cord, • the USB cable, if connected, • the LAN cable, if connected, • the Handset curled cord ASSY, if connected. (2) Remove •...

  • Page 173: Paper Tray

    Paper Tray (1) Remove the two taptite bind B M4x12 screws, and release the two bosses (upper side), and remove the tray cover from the paper tray. Taptite bind B M4x12 Tray cover Bosses Back side view Back side view Bosses Paper tray Fig.
  • Page 174 (2) Release the hooks of the separation pad ASSY from the paper tray. (3) Press both side arms of the separation pad ASSY to remove the pins, and remove the separation pad ASSY from the paper tray. (4) Remove the separation pad spring from the separation pad ASSY. Note: •...
  • Page 175 (5) Push the hook of the lift gear 46 while pushing up the plate up plate, and remove the lift gear 46. Plate up plate Hook Lift gear 46 Paper tray Fig. 3-11 (6) Remove the gear Z23M10Z14M75 and the gear Z19M10. Gear Z19M10 Paper tray Gear Z23M10Z14M75...

  • Page 176: Cord Hook

    Cord Hook (1) Remove the two taptite cup B M3x8 screws, and remove the two cord hooks. Taptite cup B M3x8 Code hook Taptite cup B M3x8 Code hook Fig. 3-13 3-32 Confidential...

  • Page 177: Back Cover

    Back Cover (1) Open the back cover. (2) Push the both side ribs of the back cover to the direction of the arrow 2, and release the boss of the outer chute ASSY. (3) Release the boss of the main body while pulling the back cover to the direction of the arrow 3a, and remove the back cover.

  • Page 178: Outer Chute Assy

    Outer Chute ASSY (1) Pull the outer chute ASSY to the direction of the 1a, and release the boss of the outer chute ASSY from the main frame L ASSY, and remove the outer chute ASSY. Main frame L ASSY Boss Outer chute ASSY Boss...

  • Page 179: Fuser Cover

    Fuser Cover (1) Hold the knobs on the fuser cover, and pull down this to your side. (2) Release the boss of the main body while pulling the fuser cover to the direction of the arrow 2, and remove fuser cover. Knob Boss(main body) Fuser cover...

  • Page 180: Inner Chute Assy, Eject Pinch Roller R Assy And Eject Pinch Roller L Assy

    Inner Chute ASSY, Eject Pinch Roller R ASSY and Eject Pinch Roller L ASSY (1) Pull down both side green envelope levers of the fuser unit. (2) Remove the two taptite bind B M4x12 screws to remove the inner chute ASSY. Fuser unit Green envelope lever R Hooks...
  • Page 181 (3) Remove the two eject pinch roller L ASSY and the two eject pinch roller R ASSY from the inner chute ASSY. (4) Remove the four exit pinch roller springs from the eject pinch roller L ASSY and the eject pinch roller R ASSY.

  • Page 182: Front Cover Assy, Support Flap 1

    Front Cover ASSY, Support Flap 1 (1) Open the front cover ASSY. (2) Release the hooks of the develop joint link to remove the develop joint link from the front cover ASSY. (3) Pull up the rib of the front chute ASSY to the direction of the arrow 3a, and slide the front cover ASSY to the direction of the arrow 3b and 3c, and remove it.
  • Page 183 (4) Remove the support flap 1 from the front cover ASSY. Front cover ASSY Support flap 1 Fig. 3-20 3-39 Confidential...

  • Page 184: Side Cover L / Handset Holder Assy

    Side cover L / Handset holder ASSY (1) Remove the taptite bind B M4x12 screw. (2) Release the hooks in the order of 1a, 1b and 1c, and remove the side cover L. (3) Disconnect the connector of the hook switch from the main PCB ASSY. Hook switch Connector CN22...
  • Page 185 (4) Remove the two taptite bind M4x12 screws, and remove the handset holder ASSY from the side cover L. Taptite bind B M4x12 Handset holder ASSY Side cover L Fig. 3-22 (5) Remove the taptite pan B M3x8 screw. (6) Release the hooks to remove the upper handset cover from the lower handset cover. Hook Upper handset cover Hook...
  • Page 186 (7) Release the hook to remove the hook switch PCB from the lower handset cover. (8) Remove the actuator hook PL from the hook switch PCB. Actuator hook PL Hook switch PCB Hook Lower handset cover Fig. 3-24 3-42 Confidential...

  • Page 187: Side Cover R

    Side Cover R (1) Remove the taptite bind B M4x12 screw. (2) Release the hooks in the order of 1a, 1b and 1c, and remove the side cover R. Hooks Hooks Side cover R Taptite bind B M4x12 Hooks Hook Hook Fig.

  • Page 188: Adf Unit (For Models With Adf)

    9.10 ADF Unit (For models with ADF) 9.10.1 ADF Unit (1) Remove the taptite cup S M3x6 SR screw, and remove the ADF FG harness and the FB FG harness. (2) Disconnect the two connectors from the main PCB ASSY. Connector (ADF sensor Connector...
  • Page 189 (3) Remove the taptite bind B M4x12 screw from the hinge ASSY L. (4) Pull up the ADF unit to release the hook of the hinge R, and remove the ADF unit. (5) Remove the harnesses from the guide hole. ADF unit Hinge ASSY L Guide hole...

  • Page 190: Hinge Assy L / Hinge Arm R / Hinge R / Hinge R Support

    9.10.2 Hinge ASSY L / Hinge Arm R / Hinge R / Hinge R support (1) Remove the three taptite cup S M3x12 screws, and remove the hinge ASSY L. Taptite cup S M3x12 Hinge ASSY L Taptite cup S M3x12 ADF unit Fig.

  • Page 191: Document Stopper

    (3) Remove the three taptite cup B M3x10 screws, and remove the hinge arm R. Taptite cup B M3x10 Hinge arm R ADF unit Fig. 3-30 9.10.3 Document Stopper (1) Release the pins to remove the document stopper. Document stopper ADF unit Fig.

  • Page 192: Document Sub Tray

    9.10.4 Document Sub Tray (1) Release the pins to remove the document sub tray. Document sub tray ADF unit Fig. 3-32 3-48 Confidential...

  • Page 193: Adf Cover Assy

    9.10.5 ADF Cover ASSY (1) Open the ADF cover ASSY. (2) Release the pins to remove the ADF cover ASSY. ADF cover ASSY ADF unit Fig. 3-33 3-49 Confidential...

  • Page 194: Gear Cover

    9.10.6 Gear Cover (1) Release the hook to remove the gear cover. Gear cover Hook Fig. 3-34 3-50 Confidential...

  • Page 195: Separation Roller Assy

    9.10.7 Separation Roller ASSY (1) Unlock the lock of the conductive bushing to remove the separation roller ASSY. Separation roller ASSY Conductive bushing Conductive bushing Fig. 3-35 3-51 Confidential...

  • Page 196: Separation Rubber Holder Assy

    9.10.8 Separation Rubber Holder ASSY (1) Release the pins to remove the separation rubber holder ASSY. (2) Remove the ADF spring. Separation rubber holder ASSY ADF spring Upper document chute ASSY SX Separation rubber Support film Fig. 3-36 Assembling Note: •...

  • Page 197: Upper Document Chute Assy Sx

    9.10.9 Upper Document Chute ASSY SX (1) Remove the six taptite cup B M3x10 screws, and remove the upper document chute ASSY SX. Taptite cup B M3x10 Upper Document chute ASSY SX Taptite cup B M3x10 Taptite cup B M3x10 Back side view Fig.

  • Page 198: Document Feed Roller Assy

    9.10.10 Document Feed Roller ASSY (1) Unlock the lock of the conductive bushing to remove the document feed roller ASSY. Document feed roller ASSY Conductive bushing Conductive bushing Fig. 3-38 3-54 Confidential...

  • Page 199: Lower Document Chute Assy

    9.10.11 Lower Document Chute ASSY (1) Remove the three taptite cup B M3x10 screws. (2) Release the hook to remove the lower document chute ASSY from the document cover. Taptite cup B M3x10 Lower document chute ASSY Hook Document cover Fig.

  • Page 200: Ejection Roller Assy

    9.10.12 Ejection Roller ASSY (1) Release the hook to remove the ejection roller bushing M11. (2) Unlock the lock of the conductive bushing to remove the ejection roller ASSY. Ejection roller bushing M11 Ejection roller ASSY Conductive bushing Conductive bushing Fig.

  • Page 201: Adf Motor

    9.10.13 ADF motor (1) Remove the ferrite core from the guide, and disconnect the connector of the ADF motor harness ASSY from the ADF motor. (2) Remove the taptite cup S M3x6 SR screw, and remove the FG harness. Taptite cup S M3x6 SR FG harness Ferrite core Connector...
  • Page 202 (3) Remove the three taptite cup B M3x10 screws, and remove the drive frame ASSY SX. (4) Release the hook to remove the gear 43. (5) Remove the screw pan (S/P washer) M3x6 screw, and remove the ADF motor. Ejection roller bushing M11 Drive frame ASSY SX ADF motor Taptite cup B M3x10...

  • Page 203: Document Scanning Position Detection Sensor

    9.10.14 Document Scanning Position Detection Sensor / Document Detection/ADF Cover Open Sensor (1) Remove the document scanning position detection sensor while pushing the rib. (2) Disconnect the connector of ADF sensor harness unit from the document scanning position detection sensor. Connector (ADF sensor harness unit) Document scanning position...
  • Page 204 (3) Remove the document detection/ADF cover open sensor while pushing the rib. (4) Disconnect the connector of ADF sensor harness unit from the document detection/ADF cover open sensor. Connector (ADF sensor harness unit) Document detection/ADF cover open sensor Lower document chute ASSY Fig.

  • Page 205: Document Cover Assy (For Models Without Adf)

    9.11 Document Cover ASSY (For models without ADF) (1) Release the hooks of the hinge L and the hinge R to remove the document cover ASSY. Document cover ASSY Hinge L Hook Hinge R Hook Hook Hook Fig. 3-45 3-61 Confidential...
  • Page 206 (2) Remove the taptite cup B M3x10 screw, and remove the hinge L and the hinge L support from the hinge arm. (3) Remove the taptite cup B M3x10 screw, and remove the hinge R and the hinge L support from the hinge arm. Document cover Taptite cup B M3x10 Hinge L support...

  • Page 207: Pull Arm L / Pull Arm R / Pull Arm Spring

    9.12 Pull Arm L / Pull Arm R / Pull Arm Spring (1) Disconnect the two connectors and the flat cable from the main PCB ASSY. Connector (Polygon motor harness ASSY) Connector Flat cable (Panel harness ASSY) CN26 Flat cable Main PCB ASSY FB FG harness Main PCB ASSY...
  • Page 208 (2) Open the document scanner unit. (3) Release the hooks of the pull arm L and the pull arm R from the each joint part of the document scanner unit. Hook Document scanner unit Hook Pull arm R Pull arm L Fig.
  • Page 209 (4) Remove the pull arm L and the pull arm spring from the pull arm guide. (5) Remove the pull arm R and the pull arm spring from the pull arm guide. Pull arm spring Pull arm R Pull arm L Pull arm guide Pull arm spring Pull arm guide...

  • Page 210: Document Scanner Unit

    9.13 Document Scanner Unit (1) Open the document scanner unit, and remove the harness from the hole, and remove the flat cable from the hole. (2) Change the angle of the document scanner unit as shown in the figure to remove it upward.

  • Page 211: Panel Unit

    9.14 Panel Unit 9.14.1 Panel Unit (1) Remove the four taptite cup B M3x10 screws. (2) Release the claw to remove the panel unit. Note: • Be careful not to pull the panel unit generic strongly because the harness is connected to it.

  • Page 212: Panel Pcb Assy

    9.14.2 Panel PCB ASSY (1) Unlock the lock to disconnect the flat cable from the panel PCB ASSY. (2) Release the hooks to remove the panel PCB ASSY from the panel unit. Flat cable Panel PCB ASSY Lock Lock Hook Panel unit Hooks Fig.

  • Page 213: Rubber Key L/R

    9.14.3 Rubber Key L/R (1) Remove the rubber key L and the rubber key R from the panel unit. Rubber key L Rubber key R Positioning pins Panel unit Positioning pins Positioning pins Fig. 3-53 Assembling Note: • Upon assembling, assemble the rubber key R first, and then assemble the rubber key L. •...

  • Page 214: Lcd

    9.14.4 LCD (1) Release the hooks to remove the backlight guide from the panel cover. Backlight guide Hooks Panel cover Fig. 3-54 (2) Release the hooks to remove the LCD and the diffusion film from the backlight guide. Diffusion film Hook Backlight guide Hook...

  • Page 215: Pull Arm Guide

    9.15 Pull Arm Guide (1) Remove the lock claw, and remove the pull arm guide. (2 locations) Lock claw Pull arm guide Pull arm guide Lock claw Joint cover Fig. 3-56 3-71 Confidential...

  • Page 216: Ncu Assy

    9.16 NCU ASSY (1) Remove the taptite bind B M4x12 screw. (2) Release the hook to remove the speaker cover. Taptite bind B M4x12 Speaker cover Hook Fig. 3-57 3-72 Confidential...
  • Page 217 (3) Remove the two screw pan (S/P washer) M3.5x8 screws. (4) Remove the NCU FG harness ASSY from the guide. Screw pan (S/P washer ) M3.5x8 NCU FG harness ASSY Guide NCU FG harness ASSY Screw pan (S/P washer ) M3.5x8 Fig.
  • Page 218 (5) Disconnect the connector of the NCU harness ASSY from the main PCB ASSY. (6) Remove the NCU harness ASSY from the guide. (7) Remove the two taptite bind B M4x12 screws, and remove the NCU shield. Taptite bind B M4x12 NCU shield Connector (NCU harness ASSY)
  • Page 219 (8) Remove the two taptite cup S M3x6 SR screws, and remove the NCU ASSY from the NCU shield. (9) Disconnect the connector of the NCU harness ASSY from the NCU ASSY. Taptite cup S M3x6 SR NCU ASSY Connector (NCU harness ASSY) NCU shield Fig.

  • Page 220: Speaker Unit

    9.17 Speaker Unit (1) Disconnect the connector of the speaker unit from the main PCB ASSY. (2) Remove the speaker harness ASSY from the guide. Guide Guide Connector (Speaker harness ASSY) Connector (Speaker harness ASSY) CN22 Main PCB ASSY Fig. 3-61 3-76 Confidential...
  • Page 221 (3) Unlock the lock to remove the speaker hold spring. (4) Remove the speaker unit. Speaker hold spring Lock Speaker unit Fig. 3-62 3-77 Confidential...

  • Page 222: Joint Cover

    9.18 Joint cover (1) Remove the five taptite bind B M4x12 screws. (2) Release the hooks to remove the joint cover. Taptite bind B M4x12 Joint cover Hook Hook Hooks Taptite bind B M4x12 Taptite bind B M4x12 Fig. 3-63 3-78 Confidential...
  • Page 223 (3) Remove the two paper stack levers. Bosses Paper stack lever Bosses Paper stack lever Joint cover Fig. 3-64 3-79 Confidential...

  • Page 224: Fuser Unit

    9.19 Fuser Unit (1) Release the harness of the fuser unit from the guides of the main frame R ASSY. (2) Disconnect the connector of the low voltage power supply PCB ASSY while pushing the hook of the connector of the fuser unit. Guides Connector (low voltage power...
  • Page 225 (4) Disconnect the connectors of the center thermistor harness ASSY and the side thermistor harness ASSY from the paper eject sensor PCB ASSY. (5) Release the harnesses of the center thermistor harness ASSY and the side thermistor harness ASSY from the guides of the main frame L ASSY. Guide Side thermistor harness ASSY...
  • Page 226 (6) Remove the two taptite pan B M4x14 screws to remove the fuser unit. Note: • Do not apply a physical impact or vibration to the fuser unit. • Do not touch the roller and electrodes as shown in the figure below to prevent breakage of the fuser unit.

  • Page 227: Low Voltage Power Supply Pcb Assy

    9.20 Low voltage power supply PCB ASSY (1) Remove the FG spring front chute from the LV shield plate cover and the front chute ASSY. (2) Release the hook part of the FG wire under R from the LV shield plate cover. (3) Remove the three taptite bind B M4x12 screws, the screw pan (S/P washer) M3.5x6 screw and the screw pan (S/P washer) M3x12DB screw to remove the LV shield plate cover.
  • Page 228 (4) Remove the screw pan (S/P washer) M3.5x6 screw to remove the FG harness from the low voltage power supply PCB ASSY. (5) Remove the taptite flat B M3x10 screw to remove the Inlet of the low voltage power supply PCB ASSY. (6) Release the hooks to remove the power switch of the low voltage power supply PCB ASSY.
  • Page 229 (9) Remove the low voltage power supply PCB ASSY, and disconnect the three connectors from the rear side. (10) Remove the LV insulation sheet. Connectors Low voltage power supply PCB ASSY LV insulation sheet Fig. 3-72 3-85 Confidential...

  • Page 230: Fan Motor 60 Assy

    9.21 Fan Motor 60 ASSY (1) Disconnect the connector of the fan motor 60 ASSY from the high voltage power supply PCB ASSY. (2) Remove the harness of the fan motor 60 ASSY from the guides of the main frame R ASSY.

  • Page 231: High Voltage Power Supply Pcb Assy

    9.22 High Voltage Power Supply PCB ASSY (1) Remove the flat cable from the guides of the main frame L ASSY, and disconnect the connector from the high voltage power supply PCB ASSY. (2) Remove the taptite bind B M4x12 screw. (3) Release the hooks to remove the high voltage power supply PCB ASSY.

  • Page 232: New Toner Sensor Pcb Assy

    9.23 New Toner Sensor PCB ASSY (1) Rotate the machine 180° to the side of main frame L ASSY. (2) Disconnect the flat cable of the new toner sensor PCB ASSY from the main PCB ASSY, and remove the flat cable of the new toner sensor PCB ASSY from the guide of the main frame L ASSY.

  • Page 233: Filter

    9.24 Filter (1) Release the hooks to remove the air duct. (2) Pull the rib of the air duct to the direction of the arrow 2a, and remove the filter. Hooks Air duct Air duct Filter Pins (main body) Pins Pins (main body) Air duct...

  • Page 234: Laser Unit

    9.25 Laser Unit (1) Disconnect the flat cable of the high voltage power supply PCB ASSY from the main PCB ASSY, and remove the flat cable of the high voltage power supply PCB ASSY from the guide of the main frame L ASSY. (2) Disconnect the flat cable of the laser unit from the laser unit.
  • Page 235 Note: • Do not touch the lens of the laser unit directly. Laser unit Lens Fig. 3-78 Note: • Attach the laser serial label as shown in the figure (on laser plate) below after replacing the laser unit. Laser serial label Laser plate Laser unit Fig.

  • Page 236: Wireless Lan Pcb Assy (Wireless Network Model Only)

    9.26 Wireless LAN PCB ASSY (Wireless network model only) (1) Remove the harness of the wireless LAN PCB ASSY from the guides of the main frame L ASSY. (2) Disconnect the connector of the wireless LAN PCB ASSY from the main PCB ASSY. (3) Release the hooks to remove the wireless LAN PCB ASSY.

  • Page 237: Pick-Up Roller Holder Assy

    9.27 Pick-up Roller Holder ASSY (1) Turn the machine upside down. (2) Push the link arm to the direction of the arrow 2, and turn the pick-up roller holder ASSY to release the boss. (3) Slide the pick-up roller holder ASSY to the direction of the arrow 3 to release it from the shaft, and remove the pick-up roller holder ASSY from the main body.

  • Page 238: Rubber Foot

    9.28 Rubber Foot (1) Remove the two rubber foots from the main body. Rubber foot Rubber foot Main body Fig. 3-82 3-94 Confidential...

  • Page 239: Main Pcb Assy

    9.29 Main PCB ASSY (1) Turn the machine upside down. (2) Disconnect the two flat cables and the five connectors from the main PCB ASSY. (3) Remove the four taptite cup S M3x6 SR screws. (4) Release the hook to remove the main PCB ASSY and the main PCB sheet. Hook Main PCB sheet Taptite cup S...

  • Page 240: T1 Clutch Assy, Reg Clutch Assy

    9.30 T1 Clutch ASSY, REG Clutch ASSY (1) Remove the harness of the T1 clutch ASSY and the REG clutch ASSY from the guides of the main frame L ASSY. (2) Release the hook to remove the T1 clutch ASSY. (3) Release the hook to remove the REG clutch ASSY.
  • Page 241 (4) Remove the FG spring regist from the motor drive sub ASSY and the conductive bearing 5. (5) Remove the conductive bearing 5 from the pin of the main frame L ASSY, and turn it to the direction of the arrow 5a until the releasing position, and pull out the conductive bearing 5 from the registration roller shaft 2.

  • Page 242: Main Frame L Assy

    9.31 Main Frame L ASSY (1) Remove the two taptite bind B M4x12 screws to remove the front chute ASSY. (2) Remove the paper edge sensor harness ASSY from the guides of the main frame L ASSY. Front chute ASSY Taptite bind B M4x12 Guides Paper edge sensor...
  • Page 243 (3) Place the machine so that the main frame L ASSY is at the top. (4) Remove the LVPS harness ASSY from the guide of the main frame L ASSY. (5) Remove the taptite bind B M4x12 screw 5a (for Under bar). (6) Remove the taptite cup S M3X6 SR screw 6a (for Chute ground plate), the taptite bind B M4x12 screw 6b (for PF frame ASSY) and the taptite cup S M3x6 SR screw 6c (for FG plate laser L).

  • Page 244: Develop Drive Sub Assy, Develop Gear Joint/52

    9.32 Develop Drive Sub ASSY, Develop Gear Joint/52 (1) Remove the taptite cup S M3X6 SR screw and three taptite bind B M4x12 screws to remove the develop drive sub ASSY. Taptite bind B M4x12 Develop drive sub ASSY Taptite cup S M3X6 SR FG plate laser L Fig.
  • Page 245 (2) Place the develop drive sub ASSY as shown in the figure below. (3) Be careful not to damage the Hooks of the develop joint and release the hooks to remove the develop joint, and then remove the develop joint spring and the develop gear joint/52.

  • Page 246: Motor Drive Sub Assy, Main Motor

    9.33 Motor Drive Sub ASSY, Main Motor (1) Remove the six taptite bind B M4x12 screws to remove the stopper and motor drive sub ASSY. Taptite bind B M4x12 Taptite bind B M4x12 Stopper Motor drive sub ASSY Fig. 3-90 Assembling Note: •...
  • Page 247 (2) Place the motor drive sub ASSY as shown in the figure below. (3) Remove the drum gear 26L/131L. (4) Remove the three screw bind M3x4 screws to remove the main motor. Drum gear 26L/131L Screw bind M3x4 Motor drive sub ASSY Screw bind M3x4 Main motor Fig.

  • Page 248: Internal Temperature Sensor

    9.34 Internal Temperature Sensor (1) Remove the harness of the internal temperature sensor from the guide of the frame L ASSY, and remove the internal temperature sensor. Internal temperature sensor Guide Fig. 3-92 Harness routing: Refer to “3. Internal temperature sensor”.

  • Page 249: Paper Eject Sensor Pcb Assy

    9.35 Paper Eject Sensor PCB ASSY (1) Remove the taptite cup S M3x6 SR screw and the two taptite bind B M4x12 screws. (2) Release the hooks to remove the main PCB shield. Taptite bind B M4x12 Taptite cup S M3X6 SR Main PCB shield Hook Hook...
  • Page 250 (3) Release the hook to remove the paper eject sensor PCB ASSY from the pin of the main frame L ASSY. (4) Remove the harness of the paper eject sensor PCB ASSY from the guides of the main frame L ASSY. (5) Release the hooks to remove the back cover sensor.

  • Page 251: Fuser Gear 28/34

    9.36 Fuser Gear 28/34 (1) Remove the ejector gear 40. (2) Remove the fuser gear 28/34. Ejector gear 40 Fuser gear 28/34 Fig. 3-95 Gear position: Refer to “Paper eject & Duplex part”. 3-107 Confidential...
  • Page 252 CHAPTER ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT Confidential...
  • Page 253 CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT This chapter describes adjustments and updating of settings, which are required if the main PCB ASSY and some other parts have been replaced. This chapter also covers how to update the firmware.

  • Page 254: If You Replace The Main Pcb Assy

    (4) The download utility (FILEDG32.EXE) Copy it into the temporary folder that has been created in the C drive. (5) The Brother maintenance USB printer driver (Maintenance_Driver.zip) Copy it into the temporary folder that has been created in the C drive. Extract the copied file.

  • Page 255: Rewriting The Firmware (Sub Firmware, Main Firmware)

    “Brother Maintenance USB Printer.” (4) Drag and drop a program file that you want to rewrite (for instance, LZXXXX_$.upd) onto the Brother Maintenance USB Printer icon in the screen shown above. Note: • After rewriting Sub firmware or Main firmware is completed, the machine returns to the ready state.

  • Page 256: Initialization Of Eeprom Of Main Pcb Assy (Maintenance Mode: Code 01)

    Initialization of EEPROM of Main PCB ASSY (Maintenance Mode: Code 01) Initialize the EEPROM in accordance with "1.4.1 EEPROM parameter initialization (Function code 01, 91)" in Chapter Setting by Country (Maintenance Mode: Code 74) Make appropriate settings by country in accordance with "1.4.20 Setting by country (Function code 74)"...

  • Page 257: Inputting The Adjusted Value Of The Laser Unit

    Inputting the Adjusted Value of the Laser Unit (1) Select Input Information from Menu. (2) Select the applicable model name. (3) Select “Adjust Scanner” from Menu. (4) Check the port (USB) that the machine is connected through. (5) Enter the figures (the last four digits) shown on the laser serial label attached on the figure below.

  • Page 258: Acquisition Of White Level Data (Maintenance Mode: Code 55)

    Acquisition of White Level Data (Maintenance Mode: Code 55) Acquire the white level data in accordance with "1.4.18 Acquisition of white level data (Function code 55)" in Chapter Operation Check of Sensors (Maintenance Mode: Code 32) Check performance of the sensors in accordance with "1.4.11 Operational check of sensors (Function code 32)"...

  • Page 259: If You Replace The Laser Unit

    2. IF YOU REPLACE THE LASER UNIT Inputting the Adjusted Value of the Laser Unit Note: • The printer driver must have been installed. (1) Double-click the “brmainte.exe” file (maintenance tool) to start. (2) Select Input Information from Menu. (3) Select the applicable model name. (4) Select the “Adjust Scanner”...

  • Page 260: If The Irregular Supply Detection Error Is Detected And The Low Voltage Power Supply Pcb Assy Is Replaced

    (3) Double-click the “FILEDG32.EXE” to start. The following screen appears. Select the “Brother Maintenance USB Printer”. (4) Click the “Brother Maintenance USB Printer” icon to select. Drag the SQWAVE.PJL and drop it. 3.1.2 Reset of irregular power supply detection counter using the...
  • Page 261 (4) The About window appears. Double-click anywhere in the window as pressing the Shift key. (5) The Password window appears. Enter “replace” in the Password box, and then click the OK button. The Password window disappears. (6) Select “Input information” from Menu. (7) “Printer Information”...

  • Page 262: If You Replace The Document Scanner Unit

    4. IF YOU REPLACE THE DOCUMENT SCANNER UNIT • Acquisition of white level data (Maintenance mode: code 55) • Scanning and printing check • Placement of scanner unit in position for transportation (Maintenance mode: code 06) Acquisition of White Level Data (Maintenance Mode: Code 55) Perform the acquisition of white level data and scanner area setting in accordance with...

  • Page 263: If You Replace The Lcd Unit

    6. IF YOU REPLACE THE LCD UNIT • Operation check of LCD (Maintenance mode: code 12) Operation Check of LCD (Maintenance Mode: Code 12) Check performance of the LCD in accordance with "1.4.7 Operational check of LCD (Function code 12)"...
  • Page 264 CHAPTER SERVICE FUNCTIONS...
  • Page 265 CHAPTER 5 SERVICE FUNCTIONS Describes the maintenance mode which is exclusively designed for the purpose of checking the settings and adjustments using the buttons on the control panel. This chapter also covers not-disclosed-to-users function menus, which activate settings and functions or reset the parts life. CONTENTS 1.
  • Page 266 2. OTHER SERVICE FUNCTIONS ................. 5-40 2.1 Developer Roller Counter Reset Function............5-40 2.2 Parts Life Reset Function ..................5-40 2.3 Deletion of User Setting Information, etc............. 5-41 2.4 Continue mode / Stop mode settings of Toner cartridge........5-42 2.5 Drum Cleaning..................... 5-43 2.6 Deep Sleep Function ...................

  • Page 267: Maintenance Mode

    1. MAINTENANCE MODE The maintenance mode is exclusively designed for the checking, setting and adjustments of the machine by using the buttons on the control panel. The EEPROM can be customized according to the destination of the machine. Moreover, the operational check of the LCD, operation panel board, and sensors, print test, display of the log information and error codes, and change of the worker switches (WSW) can be performed.

  • Page 268: List Of Maintenance-Mode Functions

    List of Maintenance-mode Functions Function Function Refer to: Code EEPROM parameter initialization 1.4.1 (5-3) Printout of scanning compensation data 1.4.2 (5-4) Placement of scanner unit in position for transportation 1.4.3 (5-6) ADF performance test 1.4.4 (5-6) Monochrome image quality test pattern 1.4.5 (5-7) Worker switch (WSW) setting 1.4.6 [1] (5-8)

  • Page 269: Detailed Description Of Maintenance-Mode Functions

    Detailed Description of Maintenance-mode Functions 1.4.1 EEPROM parameter initialization (Function code 01, 91) This function initializes the setting values of the operation parameters, user switches, and worker switches (WSW) registered in the EEPROM. Entering function code 01 initializes almost all of the EEPROM areas, but entering 91 does not initialize some areas, as listed below.

  • Page 270: Printout Of Scanning Compensation Data (Function Code 05)

    1.4.2 Printout of scanning compensation data (Function code 05) The machine prints out the white and black level data for scanning compensation. Note: • Be sure to execute this operating procedure not immediately after the power is turned ON, but after conducting the document scanning operation at least once in scanning.
  • Page 271 ■ Black and white scanning Fig. 5-1 Confidential...

  • Page 272: Placement Of Scanner Unit In Position For Transportation (Function Code 06)

    1.4.3 Placement of scanner unit in position for transportation (Function code 06) This function is to move the scanner unit in position for transportation located at the left end. When you fix the machine and check its operation, you need to perform this function last before packing and shipping.

  • Page 273: Monochrome Image Quality Test Pattern (Function Code 09)

    1.4.5 Monochrome image quality test pattern (Function code 09) This function allows you to print various monochrome test patterns and check the quality and if there is any image loss. (1) Press the 0 and 9 buttons in this order in the initial state of the maintenance mode. In the case of the model without the numeric keys;...

  • Page 274: Worker Switch (Wsw) Setting And Printout (Function Code 10, 11)

    1.4.6 Worker switch (WSW) setting and printout (Function code 10, 11) [1] Worker switch setting (Function code 10) The machine incorporates the following worker switch functions which may be activated with the procedures using the buttons on the control panel. The worker switches have been set at the factory in conformity to the codes of each country.
  • Page 275 WSW No. Function WSW32 Function setting 10 WSW33 Function setting 11 WSW34 Function setting 12 WSW35 Function setting 13 WSW36 Function setting 14 WSW37 Function setting 15 WSW38 V.34 transmission settings WSW39 V.34 transmission speed WSW40 V.34 modem settings WSW41 ON-duration of the scanning light source WSW42 Internet mail settings...
  • Page 276 WSW No. Function WSW71 Reserved (Change of the setting is prohibited) WSW72 Reserved (Change of the setting is prohibited) WSW73 Reserved (Change of the setting is prohibited) WSW74 ADF stop control Paper feeding parameter for turning the document counter when the WSW75 machine takes action duplex scanning The limited number of the documents in reverse for paper ejection of the...
  • Page 277 [2] Printout of worker switch data (Function code 11) The machine prints out the setting items of the worker switches and their contents specified. (1) Press the 1 button twice in the initial state of the maintenance mode. In the case of the model without the numeric keys;...

  • Page 278: Operational Check Of Lcd (Function Code 12)

    DCP-7057 / 7057E DCP-7065DN / 7070DW MFC-7360N / 7362N / 7460DN HL-2280DW (Except for China) (Only for China) DCP-7055 / 7060D MFC-7360 / 7470D MFC-7360 / 7470D DCP-7055 / 7060D ModeKey LED: Constantly blinking (only MFC) When the Start button is pressed,...

  • Page 279: Operational Check Of Control Panel Button (Function Code 13)

    Memo: • When the Stop/Exit button is pressed, the machine beeps for one second and returns to the initial state of the maintenance mode. ■ MFC-7460DN/7470D/7860DN/7860DW Fig. 5-5 ■ MFC-7360/7360N Fig. 5-6 ■ HL-2280DW/DCP-7055/7057E/7060D/7065DN/7070DW Fig. 5-7 5-13 Confidential...

  • Page 280: Adjustment Of Handset Volume (Function Code 16)

    1.4.9 Adjustment of Handset Volume (Function code 16) (Only for handset models) This function is to adjust the handset volume when it is set to Volume Amplify. ■ ■ ■ ■ ■ ■ (The adjustment is valid only when the Volume Amplify is set, and only “Low High”...

  • Page 281: Software Version Check (Function Code 25)

    1.4.10 Software version check (Function code 25) This function allows you to check the management information of the software programs such as version information, check sum. (1) Press the 2 and 5 buttons in this order in the initial state of the maintenance mode. In the case of the model without the numeric keys;...

  • Page 282: Operational Check Of Sensors (Function Code 32)

    1.4.11 Operational check of sensors (Function code 32) This function allows you to check each of the sensors. (1) Press the 3 and 2 buttons in this order in the initial state of the maintenance mode. In the case of the model without the numeric keys; Press the button.
  • Page 283 (3) Check that the display on the LCD is changed when the detection condition of each sensor is changed. For instance, insert paper to the document detection sensor or the registration front (rear) sensor, open the front cover or the back cover, etc. (4) When the Stop/Exit button is pressed, the machine beeps for one second and returns to the initial state of the maintenance mode.

  • Page 284: Lan Connection Status Display (Function Code 33)

    1.4.12 LAN connection status display (Function code 33) This function allows you to check the status of the wired LAN connection. The display items are shown in the table below. LAN connection status Active 100B-FD 100BASE-T Full Duplex Active 100B-HD 100BASE-T Half Duplex Active 10B-FD 10BASE-T Full Duplex...

  • Page 285: Pc Print Function (Function Code 43)

    1.4.13 PC print function (Function code 43) This function allows the machine change that the setting of each computer printing function indicated to the following function settings. (1) Press the 4 and 3 buttons in this order in the initial state of the maintenance mode. In the case of the model without the numeric keys;...
  • Page 286 Initial Description Set value value P-Pos Y-Offset Switching of the offset print -500 to 500 (1/300 dpi) position of the portrait orientation AutoFF Switching of the auto form feed On/Off AutoFF Time Switching of the time-out period 1 to 99 (seconds) of the auto form feed FF Surpress Switching of the FF Suppress...
  • Page 287 Detail description Page Protection Configure the setting to protect the page memory, when recording in computer. Set in the PCL-Core. There is not the influence of the memory management problem of the MFC. Emulation Configure the setting for the Emulation. Change the setting of the Function Menu.

  • Page 288: Not-Disclosed-To-Users Functions (Function Code 45)

    1.4.14 Not-disclosed-to-users functions (Function code 45) ■ Changing return value of USB No. ® When the OS of the computer is Windows Vista , and the computer is connected to a device through USB 2.0 full speed, the OS might fail to get the serial No. of the USB device depending on the computer and USB device.

  • Page 289: Eeprom Customizing (User-Accessible) (Function Code 52)

    1.4.15 EEPROM customizing (User-accessible) (Function code 52) This function allows users to customize the EEPROM settings such as language, function settings or worker switch settings. Note: • This function is applicable to France and surrounding countries, Pan-Nordic, East Europe, Oceania and Iberia areas only. ...

  • Page 290: Received Data Transfer Function (Function Code 53) (Fax Model Only)

    1.4.16 Received data transfer function (Function code 53) (FAX model only) This function transfers received FAX data to another machine. It is useful when the machine cannot print received data due to the printing mechanism being defective. Note: • This function transfers received FAX file to another machine. It is useful when the machine cannot print received FAX file due to the printing mechanism being defective.
  • Page 291 ■ Cover page sample Job number Total number of page to be transferred Station ID registered in the sender equipment FAX number of the sender equipment Telephone number of the sender equipment Transfer start date Model code Boot ROM info ROM info Serial number Fig.

  • Page 292: Fine Adjustment Of Scan Start/End Positions (Function Code 54)

    1.4.17 Fine adjustment of scan start/end positions (Function code 54) This function allows you to adjust the scan start/end positions on the ADF and FB unit. (1) Press the 5 and 4 buttons in this order in the initial state of the maintenance mode. In the case of the model without the numeric keys;...

  • Page 293: Acquisition Of White Level Data (Function Code 55)

    1.4.18 Acquisition of white level data (Function code 55) This function allows you to acquire the white level of the scanner unit and save it to the EEPROM of the main PCB. (1) Press the 5 button twice in the initial state of the maintenance mode. In the case of the model without the numeric keys;...

  • Page 294: Continuous Print Test (Function Code 67)

    1.4.19 Continuous print test (Function code 67) This function allows you to conduct the pick-up and delivery test as printing patterns. (1) Press the 6 and 7 buttons in this order in the initial state of the maintenance mode. In the case of the model without the numeric keys;...

  • Page 295: Setting By Country (Function Code 74)

    1.4.20 Setting by country (Function code 74) This function allows you to customize the machine according to language, function settings, and worker switch settings. Note: • When you replace the main PCB ASSY and rewrite the firmware forcibly, be sure to carry out this procedure.
  • Page 296 ■ Setting by country code list Country DCP-7055 DCP-7057 DCP-7060D DCP-7065DN HL-2280DW DCP-7070DW U.S.A. 0001 0001 0001 0001 Canada 0002 0002 0002 Brazil 0042 0042 Argentina / 0036 0036 Chile Germany 3053(3003) 3053(3004) 3053(3004) 3153(3104) U.K. / Ireland 3004 3004...
  • Page 297 0023 0023 0223 * Country codes are subject to change without notice. Note: • The information in this page is as of September 2010. For information on the latest code settings, see the ROM/firmware information provided by Brother. 5-31 Confidential...

  • Page 298: Printout Of Maintenance Information (Function Code 77)

    1.4.21 Printout of maintenance information (Function code 77) This function is to print out log information. (1) Press the 7 button twice in the initial stage of the maintenance mode. The “MAINTENANCE 77” will appear on the LCD. In the case of the model without the numeric keys;...

  • Page 299: Operational Check Of Fans (Function Code 78)

    1.4.22 Operational check of fans (Function code 78) This function is to check whether each of fans is operating correctly or not. (1) Press the 7 and 8 buttons in this order in the initial state of the maintenance mode. In the case of the model without the numeric keys;...

  • Page 300: Display Of The Machine History (Log) (Function Code 80)

    1.4.23 Display of the machine history (log) (Function code 80) This function allows you to view the machine’s history (log). The display items are shown in the table below. Description Serial USB: Serial number PCB Serial PCB: Main PCB serial number Drum related items DRUM: Number of drum rotations DRUM_PG:...
  • Page 301 Description Picked-up pages A4+LTR: Number of A4/Letter size sheets picked up by paper size LG+F0L: Number of Legal/Folio size sheets picked B5+EXE: Number of B5/Executive size sheets picked ENVLOP: Number of envelopes picked up Number of A5 size (including A5R) sheets picked up OTHER: Number of other-size (including JIS B6)
  • Page 302 Description Number of error HODN_ER: Number of times that the error caused by occurrences the dirt on the corona wire occurs FUSR_ER: Number of times that fuser unit error occurs MTLK_ER: Number of times that the motor lock error in the laser scanner occurs Error log related MACHINEERR_##:...
  • Page 303 c) If the alphabetical character displayed is not the desired one, repeat step b) until the desired character is displayed. Number Assigned characters A, B, C D, E, F G, H, I J, K, L M, N, O P, Q, R, S T, U, V W, X, Y, Z...

  • Page 304: Error Code Indication (Function Code 82)

    (3) Press the Stop/Exit button to return to the machine to the initial state of the maintenance mode. Note: • Regarding “MACHINEERR” and “COMERR”, when the OK button is pressed while the error history is displayed, the page counter value at which the error occurred is displayed.

  • Page 305: Counter Reset After Replacing The Fuser Unit And Paper Feeding Kit (Function Code 88)

    1.4.26 Counter reset after replacing the fuser unit and paper feeding kit (Function code 88) The number of replacement is increased by one, and the warning indication “Replace ***” is cleared, with implementing this operation after replacing the fuser unit and paper feeding kit. ...

  • Page 306: Other Service Functions

    2. OTHER SERVICE FUNCTIONS Developer Roller Counter Reset Function This function is to manually perform the operation same as the one when a toner cartridge is replaced with a new one. The purpose of this function is to provide a means to resolve an error when a new toner cannot be recognized by the machine, and the toner life display fails to be cleared.

  • Page 307: Deletion Of User Setting Information, Etc

    Deletion of User Setting Information, etc. In this machine, the user setting information is stored in the EEPROM and flash memory of the main PCB ASSY. You can delete all the data listed below at a time with the procedure given below.

  • Page 308: Continue Mode / Stop Mode Settings Of Toner Cartridge

    Continue mode / Stop mode settings of Toner cartridge You can set the machine to continue printing after the LCD shows “Replace Toner”. The machine will continue printing until the LCD shows “Toner Ended”. The default setting is “Stop”. (1) Press the Menu button, and then press the 1, 8 in this order.

  • Page 309: Drum Cleaning

    Drum Cleaning ■ Drum cleaning function overview Install the plain paper into the manual feed slot and perform the cleaning of the drum. (1) Open the back cover while the machine is in the ready state. (2) Press the Clear and Menu buttons at the same time. “Insert the blank paper into the Manual feed slot.”...

  • Page 310: Deep Sleep Function

    Deep Sleep Function In addition to the sleep function with the normal specifications, the deep sleep function is prepared to reduce the power consumption. The deep sleep function is used to stop the operation of the following functions whereas they are available in the normal sleep mode.

  • Page 311: Circuit Diagrams

    CHAPTER CIRCUIT DIAGRAMS, WIRING DIAGRAM Confidential...

  • Page 312: Wiring Diagram

    CHAPTER 6 CIRCUIT DIAGRAMS, WIRING DIAGRAM This chapter provides the circuit diagrams and wiring diagram for the connections of the PCBs. CONTENTS 1. CIRCUIT DIAGRAMS....................6-1 2. WIRING DIAGRAM ..................... 6-10 Confidential...
  • Page 313 1. CIRCUIT DIAGRAMS ■ High Voltage Power Supply PCB Circuit Diagram (MURATA) Confidential...
  • Page 314 ■ High Voltage Power Supply PCB Circuit Diagram (Panasonic) Confidential...
  • Page 315 ■ Low Voltage Power Supply PCB Circuit Diagram (115V) EDPS-62AF A (Delta) Confidential...
  • Page 316 ■ Low Voltage Power Supply PCB Circuit Diagram (115V) MPW3058 (MURATA) Confidential...
  • Page 317 ■ Low Voltage Power Supply PCB Circuit Diagram (230V) EDPS-62BF A (Delta) Confidential...
  • Page 318 ■ Low Voltage Power Supply PCB Circuit Diagram (230V) MPW3059 (MURATA) Confidential...
  • Page 319 ■ NCU PCB Circuit Diagram: U.S.A/Canada Confidential...
  • Page 320 ■ NCU PCB Circuit Diagram: Europe/Oceania Confidential...
  • Page 321 ■ NCU PCB Circuit Diagram: China/Asia/Gulf Confidential...
  • Page 322 2. WIRING DIAGRAM ■ Wiring diagram 6-10 Confidential...
  • Page 323 CHAPTER PERIODICAL MAINTENANCE Confidential...
  • Page 324 CHAPTER 7 PERIODICAL MAINTENANCE CONTENTS 1. PERIODICAL REPLACEMENT PARTS ............... 7-1 Confidential...
  • Page 325 1. PERIODICAL REPLACEMENT PARTS There are no parts to be replaced periodically. Confidential...
  • Page 326 APPENDIX SERIAL NUMBERING SYSTEM Confidential...
  • Page 327 APPENDIX 1 SERIAL NUMBERING SYSTEM Serial number labels for the machine itself Serial number * * * * * * A 0 J 1 1 1 1 0 1 Serial number (6-digit) Product identification Manufacturing factory No. code Year of manufacture 0: 2010...
  • Page 328 APPENDIX DELETION OF USER SETTING INFORMATION, ETC. This appendix provides instructions on how to delete user setting information etc. recorded in the machine. Confidential...
  • Page 329 APPENDIX 2 DELETION OF USER SETTING INFORMATION, ETC. In this machine, the user setting information is stored in the EEPROM and flash memory of the main PCB. You can delete all the data listed below at a time with the procedure given below.
  • Page 330 APPENDIX INSTALLING THE MAINTENANCE DRIVER Confidential...
  • Page 331 APPENDIX 3 INSTALLING THE MAINTENANCE DRIVER To identify multiple machines connected to the computer via USB, the computer needs to configure the corresponding number of virtual USB devices by a driver or software. If you connect a multiple number of machines to your computer, the same number of virtual USB devices will be automatically configured on your computer.
  • Page 332 (5) Alert warning message appears three times, click Continue Anyway to proceed. (6) If the device driver is successfully installed, the following message screen appears. Click Finish to return. App. 3-2 Confidential...
  • Page 333 (7) Connect the machine to your computer using the USB cable. (8) The following screen appears, indicating the detection of new hardware device by the system. Select “No, not this time” and click Next. (9) Select “Install the software automatically (Recommended)” and click Next. App.
  • Page 334 (10) Alert warning message appears, click Continue Anyway to proceed. App. 3-4 Confidential...
  • Page 335 (11) If the Brother maintenance USB printer driver is successfully installed, the following message screen appears. Click Finish to return. (12) Repeat the steps from (9) to (11) three times, and then complete its installation. (13) Disconnect the USB cable.
  • Page 336 APPENDIX HOW TO MAKE PROTECTIVE MATERIAL OF DRUM UNIT Confidential...
  • Page 337 APPENDIX 4 HOW TO MAKE PROTECTIVE MATERIAL OF DRUM UNIT Protective material Paper strip Make the protective material of drum unit by the following procedures, and use it at the time of packing. (1) Pass the Paper strip through the hole of Protective material. (The white surface of Paper strip is the upper side.) (2) Pass the end of Paper strip through the hole of Paper strip, and then pull the end of Paper strip to the direction of the arrow.

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