Sharp MX-FN23 Service Manual

Digital multifunctional system option
TopPage
[1] PRODUCT OUTLINE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[2] SPECIFICTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
[3] EXTERNAL VIEW AND INTERNAL STRUCTURE . . . . . . . . . . . . . 3-1
[4] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
[5] TROUBLE CODE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
[6] OPERATIONAL DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
[7] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
[8] DISASSEMBLY AND ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
[9] SIGNAL LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
[10] ACTUAL WIRING CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
SERVICE MANUAL
DIGITAL MULTIFUNCTIONAL SYSTEM
OPTION
FINISHER
MODEL
CONTENTS
SHARP CORPORATION
CODE: 00ZMXFN23/S1E
MX-FN23
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
Table of Contents
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Summary of Contents for Sharp MX-FN23

  • Page 1: Table Of Contents

    DIGITAL MULTIFUNCTIONAL SYSTEM OPTION FINISHER MX-FN23 MODEL CONTENTS [1] PRODUCT OUTLINE........1-1 [2] SPECIFICTIONS .
  • Page 2 CONTENTS [1] PRODUCT OUTLINE ......1-1 [6] OPERATIONAL DESCRIPTIONS 1. General ........6-1 [2] SPECIFICTIONS 2.
  • Page 3: Product Outline

    Since it is installed to the center tray of the machine, there is no extra space for installation. Applicable model MX-M264U/M314U/M354U MX-M264N/M314N/M354N The finisher needs a staple cartridge as a consumable part. (Staple cartridge (About 5,000 staples x 3 pcs.) MX-SCX1) Digital multifunctional system [MX-M264U/M314U/M354U] [MX-M264N/M314N/M354N] Staple cartridge Finisher [MX-FN23] MX-FN23 PRODUCT OUTLINE 1 – 1...
  • Page 4: Specifictions

    30 sheets (A3, B4, 11 x 17, 8.5 x 14, 8.5 x 13, 8K*1) Mixed load (same width) stapling: 30 sheets Staple loading method Staple cartridge (5000 staples) (MX-SCX1) Staple empty detection Manual staple mode *1: China only MX-FN23 SPECIFICTIONS 2 – 1...
  • Page 5 *5: Can be output but in not supported. *6: Comply to "Paper typesetting". *7: Custom size. AB System (mm) Inch Systm (inch) Min. Max. Min. Max. 5-1/2 Bypass tray 5-1/2 11-5/8 8-1/2 Duplex 7-1/4 11-5/8 MX-FN23 SPECIFICTIONS 2 – 2...
  • Page 6: External View And Internal Structure

    When replacing a staple cartridge or removing jam paper, turn this lever to the left and slide the whole finisher to the left. JAM cancel knob When a jam occurs in the finisher, turn this knob to remove the jam paper. MX-FN23 EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 1...
  • Page 7: Detectors And Rollers

    Rear edge take-up roller Drives paper (which is transported to the staple compiler) to the rear edge plate. Paper delivery roller (Idle) Gives a transport power of the transport roller to paper. MX-FN23 EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 2...
  • Page 8: Motors, Solenoids, Gate, Pwb, Switch And Fan

    Safety switch Detects open/close of the front cover to turn ON/OFF the motor power. Signal name Name Type Function/Operation Finisher cooling fan motor DC brush motor Cools the paper exit motor. MX-FN23 EXTERNAL VIEW AND INTERNAL STRUCTURE 3 – 3...
  • Page 9: Adjustments

    R side without cor- recting both of the F and the R side. Press [OK] key to save the set value. After completion of the adjustment, make staple copies. Alignment specification: Within 2.5mm MX-FN23 ADJUSTMENTS 4 – 1...
  • Page 10: Trouble Code

    Remedy Check to confirm that there is no foreign material in the drive system. Case 5 Cause Finisher control PWB trouble. Motor trouble Check & Replace the finisher control PWB or the motor. Remedy MX-FN23 TROUBLE CODE 5 – 1...
  • Page 11 Operation trouble of the paper alignment plate R machine is detected. Case 1 Cause Connection trouble or disconnection of the connector Check & Connect the MX-FN23 to the machine. and the harness of the motor Remedy Check & Check the connection of the connector and the Remedy harness in the motor line with the finisher control PWB.
  • Page 12: Operational Descriptions

    (FPGS) is turned ON to switch the paper pass gate to the by outside of paper. Then, the alignment roller lift solenoid finisher side. (FARLS) is turned ON to lift the rear edge take-up roller. MX-FN23 OPERATIONAL DESCRIPTIONS 6 – 1...
  • Page 13: Staple Mode

    After the paper passes the paper delivery roller, the delivery roller lift motor (FDRLM) is driven upward to lift the paper deliv- ery roller to the home position. MX-FN23 OPERATIONAL DESCRIPTIONS 6 – 2...
  • Page 14 (FDRLM) is driven downward by a certain level to shift the paper delivery roller to the paper delivery position, discharging the paper bundle from the pro- cess tray. MX-FN23 OPERATIONAL DESCRIPTIONS 6 – 3...
  • Page 15: Electrical Section

    5. Electrical section A. Overall block diagram MX-FN23 OPERATIONAL DESCRIPTIONS 6 – 4...
  • Page 16: Maintenance

    I: Lubricate Part name 150K 225K 300K 375K 450K 525K 600K Remark Rear edge take-up roller Replace as needed. Supply of service parts Staple cartridge Replace at every 5K. Replacement is made by the user. MX-FN23 MAINTENANCE 7 – 1...
  • Page 17: Disassembly And Assembly

    Release the lock with the separation lever, and slide the fin- isher to the left. Remove the screw, and remove the left cabinet of the machine. Remove the connection plate, and slide the finisher toward you. Remove the finisher. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 1...
  • Page 18: Paper Entry, Alignment, Staple

    Pull the lever of the staple case to remove the staple case. NOTE: When installing the staple case, push it until it locks. E. Paper entry paper guide unit Remove the screw, and remove the paper entry paper guide unit. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 2...
  • Page 19 Remove the upper paper guide. Remove the screw, remove the mounting plate, and discon- nect the connector. Remove the screw, and remove the paper entry detector. Remove the screw, and remove the paper gate solenoid. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 3...
  • Page 20 Remove the paper rear edge detector, and disconnect the con- Remove the E-ring, the pulley, the belt, and the parallel pin. nector. Disconnect the connector, remove the screw, and remove the take-up solenoid mounting plate unit. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 4...
  • Page 21 Remove the JAM release knob, the one-way coupling, the Mylar, the pulley, the SP pin, the E-ring, and the bearing, and remove the paper entry roller. Disconnect the connector. Remove the screw, and remove the compiler. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 5...
  • Page 22 Remove the paper alignment plate home Remove the screw, and remove the jogger F and the jogger R. position F sensor from the mounting plate. Remove the screw, and remove the alignment tray upper unit. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 6...
  • Page 23: Paper Delivery

    Disconnect the connector, remove the screw, and remove the lift drive frame. Remove the screw, and remove the paddle solenoid. Remove the worm gear and the screw, and remove the tray lift motor. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 7...
  • Page 24 Remove the screw, and remove the pressure release drive cover. Remove the screw. E. Paper delivery motor Remove the compiler. Remove the spring, the E-ring, the gear, and remove the screw. Disconnect the connector, and remove the delivery roller lift motor. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 8...
  • Page 25: Others

    I. Paper delivery tray paper detector Remove the screw, and remove the tray upper cover. B. Main PWB Remove the compiler. Disconnect the connector, remove the screw, and remove the main PWB. Remove the paper delivery extension tray. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 9...
  • Page 26: Fan Disassembly

    5. Fan disassembly Remove one screw from the bottom frame. Disconnect the connector of the FAN. Remove the FAN together with the mounting plate. Remove two screws from the FAN mounting plate. MX-FN23 DISASSEMBLY AND ASSEMBLY 8 – 10...
  • Page 27: Signal List

    Finisher paddle solenoid Rotates the paddler. – – Rotates one turn by ON–OFF. FPTM Finisher paper transport motor Transports paper discharged from – – 7-12 the main unit. MX-FN23 SIGNAL LIST 9 – 1...
  • Page 28 Finisher tray lift motor control Controls the tray lift motor (- side). – – signal (-) FTPS Finisher delivery tray position Detects the upper limit position of Other than Upper limit sensor the paper delivery tray. upper limit MX-FN23 SIGNAL LIST 9 – 2...
  • Page 29: Actual Wiring Chart

    [10] ACTUAL WIRING CHART MX-FN23 ACTUAL WIRING CHART 10 – 1...
  • Page 30 LEAD-FREE SOLDER The PWB’s of this model employs lead-free solder. The “LF” marks indicated on the PWB’s and the Service Manual mean “Lead-Free” solder. The alphabet following the LF mark shows the kind of lead-free solder. Example: Solder composition Solder composition code Solder composition...
  • Page 31 CAUTION FOR BATTERY REPLACEMENT (Danish) ADVARSEL ! Lithiumbatteri – Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandoren. (English) Caution ! Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer.
  • Page 32 Adobe, the Adobe logo, Acrobat, and the Acrobat logo are trademarks of Adobe Systems Incorporated. PCL is a registered trademark of the Hewlett-Packard Company. Sharpdesk is a trademark of Sharp Corporation. All other trademarks and copyrights are the property of their respective owners. SHARP CORPORATION...

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