Toshiba e-STUDIO 16P Service Manual
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Toshiba e-STUDIO 16P Service Manual

Toshiba e-STUDIO 16P Service Manual

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TOSHIBA
SERVICE MANUAL
SERVICE MANUAL
PAGE PRINTER
e e - - STUDIO 16P
STUDIO 16P
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Summary of Contents for Toshiba e-STUDIO 16P

  • Page 1 TOSHIBA TOSHIBA SERVICE MANUAL SERVICE MANUAL PAGE PRINTER e e - - STUDIO 16P STUDIO 16P...
  • Page 2 You can download additional copies of publications related to this product by accessing the Toshiba FYI website and then select the Tech-To-Go menus. Toshiba and e-STUDIO is a trademark of TABS. INC. Registered in the United States. Other trademarks are the property of their respective owners.

  • Page 3: Table Of Contents

    16P Table of Contents tents Laser Notices......... vii Safety Information.
  • Page 4 16P Restoring Factory Defaults......2-72 Using Hex Trace Mode Trace Mode......2-73 Using Print Quality Test Pages .
  • Page 5 16P Parts Catalog g ........7-1 How to Use this Parts Catalog .
  • Page 6 16P Service Manual...

  • Page 7: Laser Notices

    16P Laser Notices The following laser notice label may be affixed to this printer: Laser Advisory Label ory Label Class 1 Laser Statement Label tatement Label The laser statement label is located on the rear of the rear cover assembly.

  • Page 8: Laser Notice

    16P Laser Notice r Notice The printer is certified in the U.S. to conform to the requirements of quirements of DHHS 21 CFR Subchapter J for Class I (1) laser products, and ) laser products, and elsewhere is certified as a Class I laser product conforming to the requirements of IEC 60825.
  • Page 9 16P Japanese Laser Notice apanese Laser Notice otice Chinese Laser Notice Laser Notice Service Manual...
  • Page 10 16P Service Manual...

  • Page 11: Safety Information

    This product is designed, tested and approved to meet strict global safety standards with the use of specific Toshiba components. The safety features of some parts may not always be obvious. Toshiba is not responsible for the use of other replacement parts. •...
  • Page 12 16P Safety Information...

  • Page 13: Preface

    16P Preface This manual contains maintenance procedures for service personnel. It is divided into the following chapters: 1. General Information contains a general description of the printer, general environmental, safety instructions, and the maintenance approach used to repair it.

  • Page 14: General Information

    16P 1. General Information ormation The Toshiba e-STUDIO 16P is a letter–quality laser page monochrome desktop printer designed to fit into space critical environments and vironments and yet not sacrifice speed or ease of use. The e-STUDIO16P attaches to an...

  • Page 15: Printer Dimensions And Clearance

    16P Printer Dimensions and Clearance mensions and Clearance The following table contains the dimensions for the printer model. This does not include packaging but does include the print cartridge that ships with the printer. Physical Dimensions e-STUDIO16P Height 221 mm (8.7 inches) Width 380 mm (15.0 inches)

  • Page 16: Options

    16P Options The following options are available for the Toshiba e-STUDIO 16P. Note: Some options are not available in every country. Contact your point of purchase for options available in your country. Option e-STUDIO16P Tray 2 Available Memory 4MB, 8MB,16MB,...

  • Page 17: Acronyms

    16P Acronyms Auto Sheet Feed Bill of Material CRLF Carriage Return Line Feed Customer Setup DRAM Dynamic Random Access Memory Electrophotographic Process EPROM Erasable, Programmable Read–Only Memory Electrostatic Discharge Enterprise Networking Association Field Replaceable Unit HVPS High Voltage Power Supply...

  • Page 18: Diagnostic Information

    16P 2. Diagnostic Information gnostic Information ation CAUTION: NEVER manually actuate or disable the top cover r disable the top cover interlock switch and the printhead shutter actuator at the same time. To perform some of the service checks and tests, such as...

  • Page 19: Operator Panel

    16P Operator Panel The e-STUDIO 16P panel consists of 6 indicator LEDs and 1 button. The information provided by the six LEDs is classified into y the six LEDs is classified into three groups: • Status • Attendance •...

  • Page 20: Status Information

    16P Status Information Ready The printer is in a Ready state. Ready indicates the printer is ready to receive and process data from the host system. • Brief button press executes a print test. • Long button press executes a printer reset.

  • Page 21: Attendance Information

    16P Attendance Information When attendance information is displayed, the user is required to open the printer cover and clear all paper from the paper path. The user indicates that the jam is cleared by closing the cover or by performing a brief button press.
  • Page 22 16P Host Interface Error Error This error is generated when the printer detects an error communicating with the host computer. There are three causes of this error: • Parallel ENA Connection Lost – Lost – During the printers power–on cycle, it detects that the connection to an external network adapter has been lost.
  • Page 23 16P • Standard Parallel Port Disabled – This error is generated when the host computer attempts to communicate with the printer through the standard parallel port, but the parallel port has been disabled either through the printer configuration mode, or through the MarkVision™ host utility.

  • Page 24: Service Information

    16P Service Information mation There are three levels of service code information. • Primary service error codes • Secondary service error codes • Subcodes (sub set of the secondary codes) Service information is displayed whenever the printer is in the check k state, and the printer needs servicing.
  • Page 25 16P Primary Service Error Codes When a service error occurs the printer stops printing and all operator panel LEDs blink in a continuous pattern, indicating a service error, until the printer is turned off. Press and release the operator panel button to display the secondary service error code.
  • Page 26 16P Secondary Service Error Codes The operator panel button has been pushed and a secondary service error has occurred indicating a fuser failure. Once the error code is displayed, if the operator panel button is pushed again, the operator panel displays the service error indication –...
  • Page 27 16P Subcode Service Error Code Pressing the operator panel button again, indicates a fuser failure– under temperature subcode. Once the subcode is displayed, if the operator panel button is pushed again, all 6 indicator LEDs blink. Continual pressing of the 6 indicator LEDs blink.

  • Page 28: Service Error Codes Codes

    16P Service Error Codes Codes Software Service Error Code ftware Service Error Code The operator panel button has been pushed and a secondary y service error has occurred indicating a software error. Once the error code is displayed, if the operator panel button is pushed again, the operator panel will display the service error indication –...
  • Page 29 16P Fuser Failure – Over Temperature Error Code The operator panel is indicating a fuser failure – over temperature subcode. “Hot Fuser Service Check” on page 2-48, for more information. 2-12 Service Manual...
  • Page 30 16P Fuser Failure – Under Temperature Error Code The operator panel is indicating a fuser failure – under temperature subcode. “Cold Fuser Service Check vice Check” on page 2-47, for more information. 2-13 Diagnostic Information...
  • Page 31 16P Fuser Failure – Under Temperature Error Code – Standby Under Temperature Error Code – Standby The operator panel is indicating a fuser failure – under temperature subcode. “Cold Fuser Service Check heck” on page 2-47, for more information.
  • Page 32 16P Fuser Failure – Under Temperature Error Code – While Printing Temperature Error Code – While Printing The operator panel is indicating a fuser failure – under temperature subcode. “Cold Fuser Service Check ce Check” on page 2-47, for more information.
  • Page 33 16P Fuser Failure – Thermister Open Error Code Thermister Open Error Code The operator panel is indicating a fuser failure – thermister open subcode. Replace the fuser assembly. 2-16 Service Manual...
  • Page 34 16P Mirror Motor Failure Service Error Code Failure Service Error Code The operator panel button has been pushed and a mirror motor failure service error has occurred. Once the error code is displayed, if the operator panel button is pushed again, the operator panel displays the service error indication –...
  • Page 35 16P Optional Memory Service Error Code Memory Service Error Code The operator panel button has been pushed and a memory service error has occurred. Once the error code is displayed, if the operator panel button is pushed again, the operator panel displays the service error indication –...
  • Page 36 16P ROM Checksum Failure Service Error Code ksum Failure Service Error Code The operator panel button has been pushed and a ROM checksum failure service error has occurred. Once the error code is displayed, if the operator panel button is...
  • Page 37 16P Base Memory Service Error Code Memory Service Error Code The operator panel button has been pushed and a base memory service error has occurred. Once the error code is displayed, if the operator panel button is pushed again, the operator panel will display the service error indication –...
  • Page 38 16P NVRAM Failure Service Error Code AM Failure Service Error Code The operator panel button has been pushed and a NVRAM failure utton has been pushed and a NVRAM failure service error has occurred. Once the error code is displayed, if the operator panel button is...
  • Page 39 16P ASIC Register Failure Service Error Code gister Failure Service Error Code The operator panel button has been pushed and an ASIC register failure service error has occurred. Once the error code is displayed, if the operator panel button is pushed again, the operator panel displays the service error indication –...
  • Page 40 16P ASIC SRAM Failure Service Error Code RAM Failure Service Error Code The operator panel button has been pushed and an ASIC SRAM failure service error has occurred. Once the error code is displayed, if the operator panel button is...
  • Page 41 16P Flash Memory Failure Service Error Code sh Memory Failure Service Error Code The operator panel button has been pushed and a flash memory memory failure service error has occurred. Once the error code is displayed, if the operator panel button is pushed again, the operator panel displays the service error indication –...
  • Page 42 16P Font Checksum Failure Service Error Code The operator panel button has been pushed and a font checksum ksum failure service error has occurred. Once the error code is displayed, if the operator panel button is pushed again, the operator panel displays the service error indication –...
  • Page 43 Engine Communication Failure Service Error Code The operator panel button has been pushed and an engine gine communication failure service error has occurred. Once the error code is displayed, if the operator panel button is pushed again, the operator panel displays the service error indication –...
  • Page 44 16P Error Codes/Conditions Not Detected or Reported s/Conditions Not Detected or Reported The printer does not detect or report the following conditions/errors: • Incorrect manual feed • Output bin full • Print cartridge missing (reported as “top cover open” error)

  • Page 45: Operator Panel Led Summary Table Ble

    16P Operator Panel LED Summary Table Summary Table Operator Panel LED Description Operator panel LED is on. Operator panel LED is off. Operator panel LED is blinking. blinking. Operator panel LED is blinking slowly. Error Code Table Ready Toner...
  • Page 46 16P Ready Toner Load Paper Press Error Condition /Data Paper Button Waiting • Restoring Factory Defaults • Saving Settings • Resetting Printer Flushing Buffer Hex Trace Paper Jam Load Manual Paper/ Envelope Load Paper/ Envelope Tray 1or Tray 2...
  • Page 47 16P Ready Toner Load Paper Press Error Condition /Data Paper Button Toner Cartridge Error Printer Error Flash Memory Full Diagnostic Test Mode Operator Panel LEDs When Toner Is Low Ready and Toner Low Demo Ready and Toner Offline (remote) and...
  • Page 48 16P Ready Toner Load Paper Press Error Condition /Data Paper Button • Restoring Factory Defaults • Saving Settings • Resetting Printer and Toner Low Flushing Buffer and Toner Low Hex Trace and Toner Paper Jam and Toner Load Manual...
  • Page 49 16P Ready Toner Load Paper Press Error Condition /Data Paper Button Toner Cartridge Error Printer Error and Toner Flash Memory Full mory Full and Toner Diagnostic Test Mode and Toner Printer Error Secondary Codes Memory Full Complex Page Short Paper...
  • Page 50 16P Ready Toner Load Paper Press Error Condition /Data Paper Button Resource Save Off – ff – Deficient Memory Insufficient Defrag Memory Host Interface Error (Parallel ENA Connection Lost, Standard Parallel Port Disabled, Standard USB Port Disabled) Service Error Codes...
  • Page 51 16P Ready Toner Load Paper Press Error Condition /Data Paper Button Fuser Failure page 2-12. Mirror Motor Failure page 2-17. Optional Memory page 2-18. Checksum page 2-19. Base Memory page 2-20. NVRAM Failure page 2-21. ASIC Register Failure page 2-22.
  • Page 52 16P Ready Toner Load Paper Press Error Condition /Data Paper Button Font Checksum page 2-25. Engine Communica– tion Failure page 2-26. Fuser Service Error Subcodes Fuser Failure – Over Temperature page 2-12. Fuser Failure – Under Temperature page 2-13.

  • Page 53: Power-On Self Test (Post)

    16P Power–On Self Test (POST) –On Self Test (POST) When you turn the printer on, it performs a Power–On Self Test. On Self Test. Check for correct POST functioning of the base printer by observing the following: Symptom Tables...
  • Page 54 16P Printer Symptom Table Symptom Action Dead Machine (no power) ) See the “Dead Machine Service Check” on page 2-43. Fan noisy or not working See the “Cooling Fan Service Check” on page 2-40 0 Fuser parts melted See the “Hot Fuser Service...
  • Page 55 16P Symptom Action Paper feeds continuously See the “Paper Picks During POST and/or Continuously ly” on page 2-51. Paper skew See the “Paper Feed Service Checks” on page 2-51. Printer not communicating with See the “Parallel Port Service host Check”...

  • Page 56: Service Checks

    16P Service Checks vice Checks Service checks which involve measuring voltages of the LVPS/ engine boards must be performed with the printer positioned on its ds must be performed with the printer positioned on its back side. This provides the servicer access to the circuit boards underneath the printer while supplying necessary power to the rest of the printer.

  • Page 57: Cooling Fan Service Check

    16P Cooling Fan Service Check Action Cooling Fan Make sure the cooling fan motor cable plug is properly seated on the engine board. Turn the printer off and disconnect the cooling fan cable on the engine board. Turn the printer on. Within...

  • Page 58: Engine Board Service Check

    16P Engine Board Service Check ard Service Check Action Engine Board Ensure +24V dc from the LVPS board to the engine board. 1. Turn off printer. 2. Disconnect the fuser lamp cable plug from the LVPS board. See “Connector Locations” on page 5-1 for more information.
  • Page 59 16P Action Engine Board (continued) 1. All operator panel LEDs turn on solid. 2. All operator panel LEDs turn off. 3. LEDs then sequence on and off one at a time starting with the Press Button LED. After 2 complete LED sequences, the Ready LED turns on solid.

  • Page 60: Dead Machine Service Check

    16P Dead Machine Service Check Note: Check the AC line voltage. The voltage should be within the following limits: • 100 V ac – 127 V ac for the low voltage model printer 27 V ac for the low voltage model printer •...

  • Page 61: Low Voltage Power Supply (Lvps) Service Check

    16P Low Voltage Power Supply (LVPS) Service Check w Voltage Power Supply (LVPS) Service Check ) Service Check Action Low Voltage Power Supply Board Set meter for ac line voltage. (LVPS) Check for ac line voltage on CN1 between pin 1, and pin 3.

  • Page 62: Fuser Service Check

    16P Fuser Service Check When toner is partially fused to the paper, it is usually caused by low fuser temperature. WARNING: ARNING: Avoid handling the lamp as much as possible as it is easily broken. Be careful not to touch the glass housing with bare Be careful not to touch the glass housing with bare hands as skin contains acids that can weaken the glass.
  • Page 63 16P Action Fuser Lamp Turn the printer off and disconnect Lamp Cable the fuser lamp cable plug from the Thermistor LVPS board connector CN2. LVPS Check for continuity across the fuser y across the fuser lamp pin 1 and pin 2.

  • Page 64: Cold Fuser Service Check

    16P Cold Fuser Service Check Make sure the correct voltage lamp is installed. The voltage rating is stamped on one of the lamp contacts. Action Fuser Lamp If the fuser lamp comes on and a Lamp Cable fuser failure LED error code displays,...

  • Page 65: Hot Fuser Service Check

    16P Hot Fuser Service Check Make sure the correct voltage lamp is installed. The voltage rating is stamped on one of the lamp contacts. Action Fuser Thermistor Disconnect the thermistor cable from the engine board. Measure the resistance across the thermistor cable.

  • Page 66: Operator Panel Service Check

    16P Operator Panel Service Check Panel Service Check Inspect the operator panel cable for damage. Make sure the cable is plugged in securely. Run POST and check each LED for proper operation. OST and check each LED for proper operation.

  • Page 67: Operator Panel Button Service Check

    16P Operator Panel Button Service Check Button Service Check Action Operator Panel Disconnect the operator panel from Operator Panel Cable the operator panel cable. Check the continuity between J2–1 and J2–2 on the operator panel as you press the operator panel button.

  • Page 68: Paper Feed Service Checks D Service Checks

    16P Paper Feed Service Checks Feed Service Checks Paper Jam Error Indication During POST dication During POST Action Exit Sensor Flag Flag If the exit sensor flag is not resting within the paper exit sensor during POST, the printer displays a paper jam message.
  • Page 69 16P Paper Picks but Stops Half Way Through the Printer ks but Stops Half Way Through the Printer Action Input Paper Feed Sensor Make sure the input paper feed Engine Board sensor is working properly. Check for a broken or stuck flag on the input paper feed sensor.
  • Page 70 16P Paper Occasionally Picks or Picks Multiple Sheets at Once heets at Once Action Pick Roller Assembly Check pick roller assembly for wear. Replace as necessary. Paper Separator Assembly Check the friction pad on the paper separator for signs of wear. Replace as necessary.

  • Page 71: Parallel Port Service Check

    16P Parallel Port Service Check 1. Perform a print test to make sure the printer prints correctly. See “Ready” on page 2-3 for more information. 2. Be sure the printer cable is designed for bidirectional printing. ble is designed for bidirectional printing.

  • Page 72: Print Quality Service Checks

    16P Print Quality Service Checks nt Quality Service Checks Blank Page k Page Action Toner Cartridge Remove the toner cartridge and gently shake the assembly to evenly distribute the toner. Printhead Blank pages can be caused by a Printhead Cable...
  • Page 73 16P Black Page Note: Incorrect laser exposure or incorrect charging of the photoconductor causes an all black page. Action HVPS Contacts Check the contacts for contamination and correct installation. Replace as necessary. Engine/LVPS Board Board Make sure the HVPS to engine/ Controller Board LVPS cable is correctly installed.
  • Page 74 16P Heavy Background d Poor development or poorly charged toner particles cause excessive background. This is more noticeable as the toner cartridge nears This is more noticeable as the toner cartridge nears end of life. Action Toner Cartridge Make sure the toner cartridge is correctly installed and the high voltage contacts are clean.
  • Page 75 16P Partial Blank Image/White Spots (no periodic pattern) Spots (no periodic pattern) Action Toner Cartridge Remove the toner cartridge and gently shake the assembly to evenly distribute the toner. If toner cartridge is low, try a new one. Fuser Backup Roller Springs...
  • Page 76 16P Poor Fusing of Image Action Fuser Lamp Lamp The fuser may not be operating at the proper temperature to fuse the toner to the paper. See “Cold Fuser Service Check” on page 2-47. Paper Make sure recommended paper is being used.
  • Page 77 16P White or Black Lines or Bands Black Lines or Bands Action Toner Cartridge Banding appears as light or dark Paper Feed Drive Gears Drive Gears horizontal lines on a uniformly gray page or on a page with a large area of graphics.
  • Page 78 16P Incorrect Characters Print Characters Print Make sure the correct printer driver software is installed. Incorrect software can cause incorrect characters to print and the image may not fit the page. 2-61 Diagnostic Information...

  • Page 79: Solving Print Quality Problems

    16P Solving Print Quality Problems olving Print Quality Problems Problem Action Light or blurred characters. The print cartridge may be getting low on toner: • Remove the print cartridge. • Shake it from side to side to redistribute the toner.
  • Page 80 • Change the media texture setting. If the setting is not in your driver, you can download the Toshiba e-STUDIO 16P setup utility from the Toshiba Web site, fyi.toshiba.com (tech-to-go). 2-63 Diagnostic Information...
  • Page 81 16P Problem Action The print is getting light but the • The Toner Low LED does not Toner Low w LED is not on. come on if the standard 1,500 page print cartridge is installed. • Remove the print cartridge and gently shake it from side to side to redistribute the toner.
  • Page 82 16P Problem Action Faint images or repetitive spots • Select a different media type or appear on the page. form type setting from your printer driver. • Try a different type of paper. Paper designed for copiers gives the best quality.
  • Page 83 Toner Low alarm is set to on, the printer stops printing until you replace the print cartridge. – Download the Toshiba e-STUDIO16 Setup Utility from the Toshiba Web b site, fyi.toshiba.com to change the Toner Low alarm. The media skews or buckles.
  • Page 84 16P Problem Action The paper fails to feed from • Remove the paper from Tray 1 Tray 1. and fan the paper. • Make sure Tray 1 is selected from the printer driver. • Do not overfill the tray.
  • Page 85 • Make sure you are using the emulation, the printer is flushing correct PostScript driver. data (Ready/Data and Error • The Toshiba e-STUDIO 16P does LEDs are blinking). not support PostScript emulation. • The printer doesn’t have enough memory to print the job. Install more memory.
  • Page 86 Action You want to use manual duplex Your printer driver may not support but cannot find it on your printer. manual duplex. Go to the Toshiba Go to the Web site, fyi.toshiba.com to download the latest printer driver. While using manual duplex, the A paper jam interrupts the duplex printer gets a paper jam.

  • Page 87: Resetting User Defaults

    16P Resetting User Defaults User Defaults When formatting problems occur or unexpected characters print, try resetting the printer default settings to your user defaults. Press and hold the operator panel button until all the LEDs come on. 2-70 Service Manual...

  • Page 88: Menu

    16P Using the Special Function Menu on Menu Printer settings for solving print quality problems are in the special quality problems are in the special function menu: restore factory defaults, Hex Trace, print quality test pages, and advanced troubleshooting mode.

  • Page 89: Restoring Factory Defaults

    16P Restoring Factory Defaults Sometimes resetting the printer to the original factory default g the printer to the original factory default settings solves formatting problems. 1. Enter the special function menu. See “Using the Special Special Function Menu” on page 2-71 for more information.

  • Page 90: Using Hex Trace Mode

    16P Using Hex Trace Mode When unexpected characters print or characters are missing, use Hex Trace to help you determine if there is a problem with the language interpreter or the cable. Hex Trace isolates printing problems by telling you what information your printer is receiving.

  • Page 91: Using Print Quality Test

    16P Using Print Quality Test Pages t Quality Test Pages To help isolate print quality problems, like streaking, print test pages using the print quality test pages setting: 1. Enter the special function menu. See “Using the Special Function Menu” on page 2-71 for more information.

  • Page 92: Advanced Troubleshooting Mode

    16P Advanced Troubleshooting Mode roubleshooting Mode Refer to “Advanced Troubleshooting” in the Advanced Troubleshooting” in the User’s Guide for information about advanced troubleshooting mode settings. 2-75 Diagnostic Information...
  • Page 93 16P 2-76 Service Manual...

  • Page 94: Diagnostic Aids

    16P 3. Diagnostic Aids c Aids Start This chapter describes procedures you can use to identify printer failures and verify that repairs have corrected the problem. Performing Self Test Test At power–up, each LED turns on and off in reverse sequence, wer–up, each LED turns on and off in reverse sequence,...

  • Page 95: Printer Operation Modes

    16P Printer Operation Modes peration Modes The printer supports six distinct modes of operation. Each of the Each of the following operations may only be performed if the printer is in the correct operation mode. The six modes are: •...

  • Page 96: Printer Modes Summary Table

    16P Printer Modes Summary Table odes Summary Table ry Table Mode Method of Entry Method of Exit Normal NVRAM power–on default Turn off printer and follow Printing flag set to normal instructions for method of entry. Turn on printer with cover closed.
  • Page 97 16P Mode Method of Entry Method of Exit Demo Printing NVRAM power–on default Turn off printer and follow flag set to Demo instructions for method of entry. Turn on printer with cover closed. Print engine cleaning cycle page from special function menu.
  • Page 98 16P Mode Method of Entry Method of Exit Special Turn on printer with the Execute the engine clean Function Menu top cover open. Once the cycle, hex trace, print printer posts the top cover quality test pages, reset open indiction, double defaults or toggle demo press the button.

  • Page 99: Normal Printing Mode G Mode

    16P Normal Printing Mode 1. Turn the printer on. 2. Verify the operator panel Ready LED is on. LED is on. The printer is ready for normal operation. Service Manual...

  • Page 100: Demo Printing Mode

    16P Demo Printing Mode This printer setting indicates whether or not demo mode is active. When demo mode is set to on, demo mode is entered each time the printer is turned on. The printer posts the Busy sy indication on the operator panel. Busy is posted until the demo print job completes or until some asynchronous event occurs, for example, reset or intervention.

  • Page 101: Printing Menu Settings Page

    16P Printing Menu Settings Page A user can invoke the print test page function only under normal printing mode in the Ready state. Briefly press the Reset button. button. The menus page contains the following information: Listing of all printer settings contained in the operator panel menus, and their default values.

  • Page 102: Diagnostic Tests Mode

    16P Diagnostic Tests Mode Tests Mode The diagnostic tests mode causes the printers internal tests to be performed. If any of the diagnostic tests fail, a service indication is posted. You can determine which test failed by accessing the service code associated with the service error.
  • Page 103 16P Entering Diagnostic Tests Mode Perform the following steps to enter diagnostics test mode: diagnostics test mode: 1. Turn the printer off. 2. Open the printer cover. 3. Press and hold the operator panel button. 4. Turn the printer on.

  • Page 104: Special Function Menu

    16P Special Function Menu The special function menu lets the following functions be executed from the operator panel: • Execute engine cleaning cycle • Reset defaults • Enter configuration mode • Enter hex trace • Print diagnostics/print quality test page •...
  • Page 105 16P Special Function Menu LED Summary Table ED Summary Table Ready/ Toner Load Paper Press Error Condition Data Paper Button Execute engine clean cycle Reset defaults Enter config mode Enter hex trace Three print quality test pages Toggle demo mode •...
  • Page 106 16P Execute Engine Clean Cycle The execute engine clean cycle function prints one blank page in a k page in a special cleaning mode. Prior to executing the engine cleaning cycle, place one sheet of paper into the automatic paper feed slot. The cleaning mode helps eliminate small specs of toner present in the background when printing.

  • Page 107: Configuration Mode

    PPDS activated settings may be modified y be modified using PJL. However, modifications of these settings are typically required by non PC users, so the C users, so the Toshiba e-STUDIO16 P utilities may not be used to modify these settings. 3-14 Service Manual...
  • Page 108 16P Operator panel definitions while in configuration mode: Action Definition Double click button Moves through the configuration mode menu press items. Brief button press Moves through the displayed menu item value list. Long button press Selects and saves the value displayed for the menu item.
  • Page 109 16P Solid LEDs Blinking LEDs For the solid LEDs, the lit Par Enabled (Ready) LED means the panel is presently showing the value for the menu item Parallel Port Enabled. The off/on/auto (Press Button) LED displays the value of the current setting: off, on, or auto.
  • Page 110 16P Brief button presses cause the printer to cycle through the various ycle through the various values within the value list for the menu item displayed. For Parallel Enabled – a brief button press causes the off/on/auto (Press Button) LED to light.
  • Page 111 16P Operation Mode Parallel–NPA Mode Configuration “Parallel NPA Mode” on page 3-24. Parallel–Protocol Configuration “Parallel Protocol” on page 3-26. Parallel–Mode 1 Configuration “Parallel Mode 1 1 ” on page 3-27. Parallel–Mode 2 Configuration “Parallel Mode 2” on page 3-28.
  • Page 112 16P Print Directory y Print directory is not supported by the operator panel. It is supported by issuing a PJL command. Format Flash Format flash is not supported by the operator panel. It is supported by issuing a PJL command.
  • Page 113 Factory Defaults When the printer is initialized, the printer environment returns to default settings. There are of two types of default settings: • Fixed default settings Fixed default settings cannot be modified from their factory set values. • Variable default settings Variable default settings can be altered from their factory set values.
  • Page 114 16P Enter Hex Trace Mode When the printer is in hex trace mode, it prints a hexadecimal and a character representation of a print job. The printer does not recognize any print controls or commands in this mode. A hex trace printout can be used to help isolate the cause of print problems.
  • Page 115 16P When a test page is printed from the Special Function Menu: • The first diagnostic test page illustrates print registration marks which aid the user during the print registration adjustment process. In addition, the first diagnostic test page also includes the current value of some user default settings.
  • Page 116 16P Parallel Port Parallel Port lets the user enable or disable the parallel port. If the port is not being used, disabling it frees allocated memory to be used to process print jobs. Note: Parallel port options are not available to change in some network models.
  • Page 117 16P Parallel NPA Mode NPA Mode Parallel NPA mode allows two way communication between the host NPA mode allows two way communication between the host computer and the printer. Perform the following steps to change the Parallel NPA setting: 1.
  • Page 118 16P Off/On/Auto Setting Value The parallel port does not search for NPA data A data within the received data. The parallel port requires that data sent to the printer be in NPA format. The parallel port searches for optional NPA data within the received data.
  • Page 119 16P Parallel Protocol The printer supports two parallel protocol settings: Standard and Fastbytes. When the protocol is set to Standard, information is received at a normal transmission rate. When the protocol is set to ved at a normal transmission rate. When the protocol is set to Fastbytes, information is received at a much faster transmission rate provided the host computer supports the Fastbytes mode.
  • Page 120 16P Parallel Mode 1 Parallel Mode 1 controls whether or not resistors are enabled on the Mode 1 controls whether or not resistors are enabled on the parallel post signals. The default is to not have the resistors enabled, however, this function is useful because some IBM clone personal computers have open collector outputs on their parallel port signals.
  • Page 121 16P Parallel Mode 2 Parallel Mode 2 controls whether or not the parallel port data is 2 controls whether or not the parallel port data is sampled on the leading or trailing edge of strobe. The default is to...
  • Page 122 16P Parallel Strobe This setting lets the user adjust the factory setting for the amount of time strobe is sampled to determine that valid data is available on the parallel port. Each increment of the strobe adjust value means the strobe is sampled 50ns longer.
  • Page 123 16P Data Streams Data Stream Specifications Data Streams e-STUDIO16P PostScript Level 2 Standard emulation PPDS Standard To access the PPDS data stream, the PPDS setting must be set to active. When PPDS is active, the default Printer Language is...
  • Page 124 16P PPDS Active/Inactive If PPDS is active, the following user default printer settings are S is active, the following user default printer settings are changed: • PCL and PS SmartSwitch settings for each port are turned off. • Printer Language is changed to PPDS emulation.
  • Page 125 16P Carriage Return Line Feed/Line Feed Carriage Return Return Line Feed/Line Feed Carriage Return (CRLF/LFCR) This function controls whether or not the printer automatically whether or not the printer automatically performs a carriage return after a line feed control command and whether or not the printer automatically performs a line feed after a carriage return control command.
  • Page 126 16P Auto CRLF/LFCR Off/On/Auto Setting Value Auto CR after LF = off and Auto LF after CR = off. Auto CR after LF is on and Auto LF after CR is off. Auto CR after LF is off and Auto LF after CR is on.
  • Page 127 16P USB Port This menu item lets the user enable or disable the USB port. If the port is not being used, disabling it frees allocated memory to be used to process print jobs. jobs. Perform the following steps to change the USB Port setting: 1.
  • Page 128 16P Off/On/Auto Setting Value USB port is disabled. The printer doesn’t receive data from the USB port. USB port is enabled with a fixed buffer size. The with a fixed buffer size. The buffer size is set from a utility such as MarkVision.
  • Page 129 16P USB NPA Mode USB NPA mode allows for two way communication between the host computer and the printer. puter and the printer. Perform the following steps to change the USB NPA setting: 1. Enter the configuration mode. See “Configuration Mode”...
  • Page 130 16P Off/On/Auto Setting Value USB port does not search for NPA data within the received data. USB port requires that data sent to the printer be in NPA format. USB port searches for optional NPA data within the received data.

  • Page 131: Repair Information Pair Information

    16P 4. Repair Information pair Information WARNING: ARNING: Read the following before handling electronic parts. Handling ESD-Sensitive Parts dling ESD-Sensitive Parts ensitive Parts Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD). To prevent damage to ESD-sensitive D).

  • Page 132: Removal Procedures

    16P Removal Procedures moval Procedures dures Be sure to unplug the power cord whenever you are working on the printer with one of the covers removed. Be sure to remove the print cartridge before you perform removal procedures. Cover Removals s Access Cover 1.

  • Page 133: Auto Sheet Feed (Asf) Assembly Removal

    16P Right Side Cover 1. Open the front cover. See “Front Cover” on page 4-2 for more information. 2. Press the two right side cover finger tabs while releasing the center tab. 3. Remove the right side cover. Left Side Cover 1.

  • Page 134: Printhead Assembly Removal

    16P Printhead Assembly Removal y Removal 1. Open the front cover. See “Front Cover” on page 4-2 for more information. 2. Remove the top cover. See “Top Cover” on page 4-2 for more information. 3. Remove the four top screws from the printhead mounting plate.

  • Page 135: High Voltage Power Supply (Hvps) Removal Voltage Power Supply (Hvps) Removal

    16P High Voltage Power Supply (HVPS) Removal igh Voltage Power Supply (HVPS) Removal HVPS) Removal 1. Open the front cover. See “Front Cover” on page 4-2 for more information. 2. Remove the top cover. See “Top Cover” on page 4-2 for more information.

  • Page 136: Engine Board Removal

    16P Engine Board Removal 1. Remove the toner cartridge. 2. Tilt the printer carefully to the rear so it is resting on the ASF. F. 3. Remove the four bottom cover screws. 4. Disconnect the cables. 5. Remove the four engine board screws.

  • Page 137: Transfer Roll Removal

    16P Transfer Roll Removal nsfer Roll Removal 1. Open the front cover and remove the toner cartridge. See “Front Cover” on page 4-2 for more information. 2. Release the transfer roll left and right bearing. 3. Remove the transfer roll.

  • Page 138: D Roll Removal

    16P D Roll Removal 1. Remove the front cover. See “Front Cover” on page 4-2 more information. 2. Remove top cover. See “Top Cover” on page 4-2 for more information. 3. Remove rear auto sheet feed cover. See “Auto Sheet Feed (ASF) Assembly Removal”...

  • Page 139: Connector Locations

    16P 5. Connector Locations ations LVPS – Low Voltage Power Supply Board PS – Low Voltage Power Supply Board d Connector Pin No. Signal AC H AC N Heater On AC N Ground +5 V dc +5 V dc...

  • Page 140: Engine Board

    16P Engine Board Connector Pin No. Signal Developer PWM HVPS Ground Charge +24 V dc Transfer PWM Transfer Enable Not Used Transfer Servo Ground Input/Exit Sensor Input Sensor LED Drive Ground Exit Sensor LED Drive Cartridge Data Cartridge Chip...
  • Page 141 16P Connector Pin No. Signal Ground Toner Sensor Toner Signal LED Drive Thermistor Data Thermistor Ground Not Used +24 V dc Cover Open Switch Interlock Switch +24 V dc Paper Pick Solenoid Solenoid Control Connector Locations...
  • Page 142 16P Connector Pin No. Signal Printhead CLK K RIP, Printhead, and RIP reset Mirror Motor Ready Ground Start Engine notify Ground RIP Present +24 V dc Sample and Hold Ground Printhead Enable Ground +5 V dc 17 7 LSU power...
  • Page 143 16P Connector Pin No. Signal +5 V dc Ground Interlock Switch Interlock Switch Ground Ground Fuser Control Hot Roll Power Transmit Option Tray Receive Tray Detect +5 V dc Ground +24 V dc Connector Locations...

  • Page 144: Rip Controller

    16P RIP Controller Connector Pin No. Signal J2 LED Op Panel Panel Ground FPIRQ LED CLK LED Data +5 V dc Ground J3 Video Video Ground J7 RIP to Engine gine Engine POR Ground Notify RIP Present Ground HSYNC...

  • Page 145: Hvps - High Voltage Power Supply Board Vps - High Voltage Power Supply Board

    16P HVPS – High Voltage Power Supply Board VPS – High Voltage Power Supply Board y Board Connector Pin No. Signal CN1 HVPS Developer PWM loper PWM Ground Charge +24 V dc Transfer PWM Transfer Enable Not Used Transfer Servo...

  • Page 146: Option Card

    16P Option Card Connector Pin No. Signal CN4 to Engine Card COM1 +5 V dc COM1 +24 V dc CN5 to Motor STP_A STP_Na STP_B STP_nB CN6 to Solenoid FB_SOL CN7 to PIC_JIG IC_JIG PGM_RESET (Flash Down Load) +5 V dc...

  • Page 147: Preventive Maintenance

    16P 6. Preventive Maintenance ventive Maintenance The e-STUDI O 16P does not require preventive maintenance. Preventive Maintenance...

  • Page 148: Service Manual

    16P Service Manual...

  • Page 149: Parts Catalog

    16P 7. Parts Catalog Parts Catalog How to Use this Parts Catalog Use this Parts Catalog Catalog • SIMILAR ASSEMBLIES: If two assemblies contain a majority of R ASSEMBLIES: If two assemblies contain a majority of identical parts, they are shown on the same list. Common parts .
  • Page 150 16P Assembly 1: Covers embly 1: Covers vers Service Manual...
  • Page 151 16P Assembly 1: Covers mbly 1: Covers Asm- Part Units Description Index Number 1–1 12G4456 Assembly, Tray Extension 12G4455 Assembly, Cover, Rear Rear 12G4458 Cover, Bottom 12G4453 Cover, Right Side 12G4457 Assembly, Operator Panel Panel 12G4466 Hinge, Right Rear...
  • Page 152 16P Assembly 2: Frame y 2: Frame Service Manual...

  • Page 153: Assembly 2: Frame

    16P Assembly 2: Frame Asm- Part Units Description Index Number 2–1 12G4470 Roll, Transfer 12G4471 Bearing, Transfer 12G4473 B/M, Rail 12G4534 Bracket, Right 12G4465 Assembly, Charge Roll 12G4464 Spring, Charge Roll Right 12G4462 Roll, Charge 12G4463 Spring, Charge Roll Left...

  • Page 154: Assembly 3: Fuser

    16P Assembly 3: Fuser : Fuser Service Manual...
  • Page 155 16P Assembly 3: Fuser user Asm- Part Units Description Index Number 3–1 12G4488 Cover, Fuser 12G4484 Fuser Assembly, 110 V 12G4486 Fuser Assembly, 220 V 12G4495 Pawl, Detack 12G4492 Roller, Exit, Idler xit, Idler 12G4493 Roller, Exit, Redrive 12G4496...
  • Page 156 16P Assembly 4: Main Drive ly 4: Main Drive Service Manual...

  • Page 157: Assembly 4: Main Drive

    16P Assembly 4: Main Drive Asm- Part Units Description Index Number 4–1 12G4500 Gear Assembly, Drive y, Drive 12G4499 Motor, Drive Parts Catalog...

  • Page 158: Assembly 5: Paper Feed Per Feed

    16P Assembly 5: Paper Feed 5: Paper Feed 7-10 Service Manual...
  • Page 159 16P Assembly 5: Paper Feed 5: Paper Feed Asm- Part Units Description Index Number 5–1 12G4481 Assembly, Sheet Feed 12G4483 Assembly, D–Roll 12G4541 Clutch Assembly, Paper Feed aper Feed 12G4482 Bracket, Tray 2 Connector 12G4490 Roll, Paper Feed 12G4476...
  • Page 160 16P Assembly 6: Printhead : Printhead 7-12 Service Manual...

  • Page 161: Assembly 6: Printhead

    16P Assembly 6: Printhead nthead Asm- Part Units Description Index Number 6–1 12G4498 Plate, Printhead 12G4472 Interlock, Cover 12G4497 Assembly, Printhead 7-13 Parts Catalog...

  • Page 162: Assembly 7: Electronics

    16P Assembly 7: Electronics : Electronics 7-14 Service Manual...
  • Page 163 1339533 Power Cord, Chile, Uruguay, Italy 1339534 Power Cord, Denmark 12G4504 G4504 Cage, Controller 12G4501 Card, Controller E320 12G4502 Card, Controller e-STUDIO 16P 12G4503 Card, Controller E322n 12G4505 Cover, Cage 12G4506 Card, Engine 12G4507 Card, LVPS 110 12G4508 Card, LVPS 220...

  • Page 164: Assembly 8: Options

    16P Assembly 8: Options : Options 7-16 Service Manual...
  • Page 165 16P Assembly 8: Options Asm- Part Units Description Index Number 8–1 12G4516 Board, Motor, Tray 2 12G4514 Base Assembly, Tray 2 se Assembly, Tray 2 12G4513 Drawer, Tray 2 12G4515 Kit Assembly, Feed Roller 12G4532 D–Roll, Feed, Tray 2...

  • Page 166: Assembly 9: Cables (No Illustration)

    16P Assembly 9: Cables (no illustration) embly 9: Cables (no illustration) ables (no illustration) ration) 7-18 Service Manual...
  • Page 167 16P Assembly 9: Cables 9: Cables Asm- Part Units Description Index Number 12G4517 4517 Cable, HVPS–J1 12G4518 Cable, Input/Exit Sensor–J2 12G4519 Cable, Smart–J3 12G4520 0 Cable, Motor–J5 12G4521 Cable, Toner Sensor–J6 12G4522 Cable, RIP–J11 12G4523 Cable, Option–J13 12G4524 Cable, Fuser Lamp...

  • Page 168: Assembly 10: Miscellaneous (No Illustration)

    16P Assembly 10: Miscellaneous (no illustration) mbly 10: Miscellaneous (no illustration) scellaneous (no illustration) ration) 7-20 Service Manual...
  • Page 169 16P Assembly 10: Miscellaneous Asm- Part Units Description Index Number 12G4529 Ring, CS 12G4530 Clamp, Mini 12G4531 Parts Pack, Screws 12G4544 Kit, Repack 7-21 Parts Catalog...
  • Page 170 16P 7-22 Service Manual...
  • Page 171 16P Index ndex Acronyms Handling ESD-Sensitive Parts Adjustment Hex Trace Mode 3-21 Print Registration 3-19 How to Use this Parts Catalog HVPS Connectors VPS Connectors Connector Locations Engine Board Mode Entry Engine/LVPS Board S Board Configuration HVPS Board Demo Printing...
  • Page 172 16P Reset 3-18 Reset Defaults 3-13 Removals Service Checks 2-49 Auto Sheet Feed Asm. Status Information Controller Board Ready Controller Board Cage Option Card Connectors Cooling Fan Options D Roll Engine Board Fuser Assembly Parallel NPA Mode 3-24 High Voltage Power Supply...
  • Page 173 16P Paper Feed 2-51 Part Numbers Paper Jam During POST g POST 12G4450 12G4451 Paper Never Picks 2-52 12G4452 Paper Picks But Stops 2-51 12G4453 Paper Picks But Stops Half 12G4455 2-52 12G4456 Paper Picks During POST 12G4457 12G4458 8...
  • Page 174 16P 12G4500 12G4501 7-15 12G4502 7-15 12G4503 7-15 12G4504 7-15 12G4505 7-15 12G4506 7-15 12G4507 7-15 12G4508 7-15 12G4509 7-15 12G4510 12G4511 12G4512 12G4513 7-17 12G4514 7-17 12G4515 7-17 12G4516 7-17 12G4523 7-19 12G4528 7-19 12G4529 7-21 12G4530 7-21...

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