Page 1 ™ Lexmark W850 Finisher 4024-XXX • Table of contents • Start diagnostics • Safety and notices • Trademarks • Index Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
Page 2 Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries. All other trademarks are the property of their respective owners.
Page 3: Table Of Contents
4024-XXX Table of contents Notices and safety information ......... . . ix Laser notice .
Page 4 4024-XXX 288.01 Sensor (diverter gate) static jam (to top bin) A ....... . . 2-57 288.02 Sensor (diverter gate) static jam (to top bin) B .
Page 5 4024-XXX From bridge unit assembly to punch ..........3-7 From punch to compiler unit assembly .
Page 6 4024-XXX Sensor (bridge unit media entrance) removal ........4-16 Sensor (bridge unit media exit) removal .
Page 7 4024-XXX Media entrance pinch guide assembly removal ........4-97 Sensor (finisher media entrance) removal .
Page 8 4024-XXX viii Finisher Service Manual...
Page 9: Notices And Safety Information
4024-XXX Notices and safety information Laser notice The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR Subchapter J for Class I (1) laser products, and elsewhere is certified as a Class I laser product conforming to the requirements of IEC 60825-1.
Page 10 4024-XXX Avisos sobre el láser Se certifica que, en los EE.UU., esta impresora cumple los requisitos para los productos láser de Clase I (1) establecidos en el subcapítulo J de la norma CFR 21 del DHHS (Departamento de Sanidad y Servicios) y, en los demás países, reúne todas las condiciones expuestas en la norma IEC 60825-1 para productos láser de Clase I (1).
Page 11 4024-XXX Huomautus laserlaitteesta Tämä kirjoitin on Yhdysvalloissa luokan I (1) laserlaitteiden DHHS 21 CFR Subchapter J -määrityksen mukainen ja muualla luokan I laserlaitteiden IEC 60825-1 -määrityksen mukainen. Luokan I laserlaitteiden ei katsota olevan vaarallisia käyttäjälle. Kirjoittimessa on sisäinen luokan IIIb (3b) 5 milliwatin galliumarsenidilaser, joka toimii aaltoalueella 770 - 795 nanometriä.
Page 12 4024-XXX Finisher Service Manual...
Page 13: Safety Information
4024-XXX Safety information • The safety of this product is based on testing and approvals of the original design and specific components. The manufacturer is not responsible for safety in the event of use of unauthorized replacement parts. • The maintenance information for this product has been prepared for use by a professional service person and is not intended to be used by others.
Page 14 4024-XXX Sicherheitshinweise • Die Sicherheit dieses Produkts basiert auf Tests und Zulassungen des ursprünglichen Modells und bestimmter Bauteile. Bei Verwendung nicht genehmigter Ersatzteile wird vom Hersteller keine Verantwortung oder Haftung für die Sicherheit übernommen. • Die Wartungsinformationen für dieses Produkt sind ausschließlich für die Verwendung durch einen Wartungsfachmann bestimmt.
Page 15 4024-XXX Informació de Seguretat • La seguretat d'aquest producte es basa en l'avaluació i aprovació del disseny original i els components específics. El fabricant no es fa responsable de les qüestions de seguretat si s'utilitzen peces de recanvi no autoritzades. •...
Page 16: Preface
4024-XXX Preface The service information for the Lexmark W850 is contained within three service manuals: • Printer Service Manual—Contains the base printer service information including the options and finisher error codes and tests. • Options Service Manual—Contains specific information for the 2 Tray Module, Tandem Tray Module, Duplex, High Capacity Feeder and Exit 2 options and a list of error codes and tests.
Page 17: General Information
4024-XXX 1. General information The optional finisher performs staples, punches, and stacks media transferred from the Lexmark™ W850 printer. Output is stacked in the upper media bin or separately collated in the stacker media bin. Bridge unit assembly Finisher Finisher weight...
Page 18: Media Size And Weight
4024-XXX • Stacker media bin block to stack media Punch unit Stacker media bin Bridge unit asm Compiler tray Stapler Media size and weight The following shows media sizes and weight that the finisher can handle, as well as applicable functions for each media size.
Page 19 4024-XXX a(2,3,4) 297 x 420 mm a(2,3,4) Ledger 11 x 17 in. Custom size Same width with standard size Custom size Besides above Numbers (2,3,4) mean 2 holes, 3 holes, and 4 holes, respectively. Applicable within the following range: Media width: 203.2–297 mm Media length: 182–431.8 mm General information...
Page 20: Media Weight
4024-XXX Media weight Description Maximum weight For punching 52—176 gsm For stapling 52—226 gsm* For ejecting in the stacker media bin 52—226 gsm For ejecting in the upper media bin 52—226 gsm * The amount of media capable of being stapled will be less than 50 if media weight is greater than 90 gsm.
Page 21: Acronyms
4024-XXX Acronyms 2 Tray Module Alternate Current ASIC Application Specific Intergrated Circuit Customer Replaceable Unit Customer Setup Direct Current DIMM Dual Inline Memory Module DRAM Dynamic Random Access Memory Enhanced Data Out Electrophotographic Process EPROM Erasable Programmable Read-only Memory Electrostatic Discharge Field Replaceable Unit Gigabyte Ground Fault Interrupter...
Page 22 4024-XXX Finisher Service Manual...
Page 23: Diagnostic Information
4024-XXX 2. Diagnostic information Start CAUTION: Unplug power cord from the printer or electrical outlet before you connect or disconnect any cable or electronic board or assembly for personal safety and to prevent damage to the printer. Disconnect any connections between the printer and PCs/peripherals. The printer and the finisher are heavy and require at least two people to lift it safely.
Page 24: Confirm The Installation Status
4024-XXX Confirm the installation status Be sure to check the following items before starting the troubleshooting procedures • With the power cord removed from the printer, check that it is free from breakage, short-circuit, disconnected wire, or incorrect connection in the power cord. •...
Page 25: Error Code Messages
4024-XXX Error code messages Error code or message Error contents Description/action 280.00 Sensor (bridge unit Sensor (bridge unit media entrance) is not turned on media entrance) on jam within the specified time after the sensor (fuser exit) in Paper jam the printer is turned on.
Page 26 4024-XXX 283.00 Sensor (buffer path) on Sensor (buffer path) is not turned on within the jam A specified time after the sensor (finisher media entrance Paper jam is turned on. Check areas G, G4 Go to “283.00 Sensor (buffer path) on jam A” on page 2-23.
Page 27 4024-XXX 284.04 Sensor (lower media Finisher sensor (lower media exit) not turned off within exit) off jam B the specified time after the finisher sensor (lower Paper jam media exit) on. Check area H At this time, the sensor (finisher media entrance) is turned on.
Page 28 4024-XXX 287.05 Sensor (upper media Paper remains on the sensor (upper media exit). exit) Static jam A Paper jam At this time, the sensor (bridge unit media exit) is turned on. Check area F Go to “287.05 Sensor (upper media exit) static jam A”...
Page 29 4024-XXX 288.06 Sensor (diverter gate) Paper remains on the sensor (diverter gate) when the Static jam (to stacker finisher is in the stacker bin exit mode. Paper jam bin) C At this time, both sensor (finisher media entrance) and Check area G2 sensor (bridge unit media exit) are turned off.
Page 30 4024-XXX 984.01 Sensor (punch unit HP) The sensor (punch unit HP) is not turned off even off failure when the specified time passed after the punch unit Service finisher error motor is turned on. Go to “984.01 Sensor (punch unit HP) off failure” on page 2-74.
Page 31 4024-XXX 989.00 Stapler unit failure The off/on status of the sensor (stapler unit motor HP) is not detected within the specified time after the Service finisher error stapler unit motor (forward operation). Or the sensor (stapler unit motor HP) is not turned on within the specified timer after the stapler unit motor is on (reverse operation).
Page 32 4024-XXX Remove paper from Finisher upper media The upper media bin has reached maximum capacity. Bin 1 bin full Go to “Finisher upper media bin full” on page 2-91. Remove paper from Stacker set over count When the stapled media exceeds the specified value bin 2 be able to stack on the stacker bin.
Page 33: Service Checks
4024-XXX Service checks 280.00 Sensor (bridge unit media entrance) on Jam Step Check Check the media path. Go to step 2. Clean or replace the transport Open the bridge unit top cover assembly of the bridge belts and bridge unit assembly. unit pinch rolls, and clean the Check the two transport belts and the six bridge unit...
Page 34: Sensor (Bridge Unit Media Entrance) Static Jam A
4024-XXX Step Check Perform a test print. Replace the Problem solved. bridge unit Does the error still occur? interface card assembly. Go to “Bridge unit interface card assembly removal” on page 4-117. Go to step 8. Perform a test print. Replace the Problem solved.
Page 35: Sensor (Bridge Unit Media Entrance) Static Jam B
4024-XXX Step Check Check the bridge unit drive motor connection. Replace the Replace the bridge unit drive connection. Is the above motor connected properly? motor. Go to “Bridge unit drive motor assembly removal” on page 4-13. Perform a test print. Replace the Problem solved.
Page 36: Sensor (Bridge Unit Media Exit) On Jam A
4024-XXX Step Check Check the bridge unit drive motor by opening the Go to step 5. Go to step 4. finisher front door assembly and then closing it. Open the bridge unit top cover assembly. Does the bridge unit drive motor rotate normally? Check the bridge unit drive motor connection.
Page 37 4024-XXX Step Check Check the sensor (bridge unit media exit) for correct Go to step 5. Go to step 4. operation. Perform the sensor (bridge unit media exit) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 38: Sensor (Bridge Unit Media Exit) On Jam B
4024-XXX 281.01 Sensor (bridge unit media exit) On Jam B Step Check Check the media path. Go to step 2. Clean or replace the transport 1. Open the bridge unit top cover assembly of the belts and bridge bridge unit assembly. unit pinch rolls, 2.
Page 39 4024-XXX Step Check Perform a test print. Replace the Problem solved. bridge unit Does the error still occur? interface card assembly. Go to “Bridge unit interface card assembly removal” on page 4-117. Go to step 8. Perform a test print. Replace the Problem solved.
Page 40: Sensor (Bridge Unit Media Exit) On Jam C
4024-XXX 281.02 Sensor (bridge unit media exit) On Jam C Step Check Check the media path. Go to step 2. Clean or replace the transport 1. Open the bridge unit top cover assembly of the belts and bridge bridge unit assembly. unit pinch rolls, 2.
Page 41: Sensor (Bridge Unit Media Exit) Static Jam A
4024-XXX Step Check Perform a test print. Replace the Problem solved. bridge unit Does the error still occur? interface card assembly. Go to “Bridge unit interface card assembly removal” on page 4-117. Go to step 8. Perform a test print. Replace the Problem solved.
Page 42: Sensor (Finisher Media Entrance) On Jam
4024-XXX Step Check Check the bridge unit drive motor connection. Replace the Replace the bridge unit drive connection. Are the connectors of the bridge unit cable assembly motor. Go to connected to the bridge unit drive motor and bridge “Bridge unit unit interface card assembly of the finisher correctly drive motor connected?
Page 43 4024-XXX Step Check Check the sensor (bridge unit media exit) for correct Go to step 6. Go to step 4. operation. Perform the sensor (bridge unit media exit) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 44: Sensor (Finisher Media Entrance) Static Jam A
4024-XXX Step Check Is the bridge unit drive motor connected properly? Replace the Replace the bridge unit drive connection. motor. Go to “Bridge unit drive motor assembly removal” on page 4-13. Perform a test print. Replace the Problem solved. bridge unit Does the error still occur? interface card assembly.
Page 45: Sensor (Buffer Path) On Jam A
4024-XXX Step Check Check the drive motor (entrance/paddle) for correct Go to step 5. Go to step 4. operation. Check the above motor by opening the finisher front door assembly and then closing it. Does the motor (entrance/paddle) rotate normally? Check the drive motor (entrance/paddle) connection.
Page 46 4024-XXX Step Check Are the four buffer pinch guide pinch rolls attached on Go to step 5. Clean or replace the lower pinch guide assembly installed correctly? the appropriate rolls and clean the media path. Check the sensor (diverter gate) for correct operation. Go to step 7.
Page 47: Sensor (Buffer Path) On Jam B
4024-XXX Step Check Check the drive motor (buffer/transport) connection. Replace the drive Problem solved. motor (buffer/ Is the above motor connected properly? transport). Go to “Drive motor (buffer/ transport) and belt (buffer/ transport) removal” on page 4-115. Perform a test print. Replace the Problem solved.
Page 48 4024-XXX Step Check Check the media path. Go to step 4. Clean or replace the appropriate 1. Open the finisher front door assembly of the rolls, and clean finisher. the media path. 2. Open the lower pinch guide assembly to the right. 3.
Page 49 4024-XXX Step Check Check the sensor (buffer path) connection. Replace the After sensor (buffer reconnecting, go Is the above sensor connect properly? path). Go to to step 9. “Sensor (buffer path) removal” on page 4-93. Check the drive motor (buffer/transport) by opening the Go to step 11.
Page 50: Sensor (Buffer Path) Static Jam A
4024-XXX 283.02 Sensor (buffer path) static jam A Step Check Check the sensor (buffer path) for correct operation. Go to step 3. Go to step 2. Perform the sensor (buffer path) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 51: Sensor (Buffer Path) Static Jam B
4024-XXX 283.03 Sensor (buffer path) static jam B Step Check Check the sensor (buffer path) for correct operation. Go to step 3. Go to step 2. Perform the sensor (buffer path) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 52: Sensor (Buffer Path) Static Jam C
4024-XXX 283.04 Sensor (buffer path) static jam C Step Check Check the sensor (buffer path) for correct operation. Go to step 3. Go to step 2. Perform the sensor (buffer path) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 53: Sensor (Lower Media Exit) Off Jam A
4024-XXX 284.00 Sensor (lower media exit) off jam A. Step Check Check the media path. Go to step 2. Clean or replace the lower media Open the finisher front door assembly of the finisher. exit roll assembly, Check lower media exit roll assembly by turning it with and clean the your fingers.
Page 54: Sensor (Lower Media Exit) On Jam A
4024-XXX 284.01 Sensor (lower media exit) on jam A Step Check Check the media path. Go to step 2. Clean or replace the appropriate 1. Open the finisher front door assembly of the roll, and clean the finisher. media path. 2.
Page 55 4024-XXX Step Check Check the drive motor (buffer/transport) connection. Replace the drive Replace the motor (buffer/ connection. Is the above motor connected properly? transport). Go to “Drive motor (buffer/ transport) and belt (buffer/ transport) removal” on page 4-115. Check the sensor (diverter gate) for correct operation. Go to step 11.
Page 56 4024-XXX Step Check Check the sensor (lower media exit) connection. Replace the Replace the sensor (lower connection. Is the above sensor connected properly? media exit). Go to “Sensor (lower media exit) removal” on page 4-80. Perform a test print. Replace the Problem solved.
Page 57: Sensor (Lower Media Exit) On Jam B
4024-XXX 284.02 Sensor (lower media exit) on jam B Step Check Check the media path. Go to step 2. Clean or replace the appropriate 1. Open the finisher front door assembly of the roll, and clean the finisher. media path. 2.
Page 58 4024-XXX Step Check Check the drive motor (buffer/transport) connection. Replace the drive Replace the motor (buffer/ connection. Is the above motor connected properly? transport). Go to “Drive motor (buffer/ transport) and belt (buffer/ transport) removal” on page 4-115. Check the sensor (diverter gate) for correct operation. Go to step 11.
Page 59 4024-XXX Step Check Check the sensor (lower media exit) connection. Replace the Replace the sensor (lower connection. Is the above sensor connected properly? media exit). Go to “Sensor (lower media exit) removal” on page 4-80. Perform a test print. Replace the Problem solved.
Page 60: Sensor (Lower Media Exit) On Jam C
4024-XXX 284.03 Sensor (lower media exit) on jam C Step Check Check the media path. Go to step 2. Clean or replace the appropriate 1. Open the finisher front door assembly of the roll, and clean the finisher. media path. 2.
Page 61 4024-XXX Step Check Check the drive motor (buffer/transport) connection. Replace the drive Replace the motor (buffer/ connection. Is the above motor connected properly? transport). Go to “Drive motor (buffer/ transport) and belt (buffer/ transport) removal” on page 4-115. Check the sensor (diverter gate) for correct operation. Go to step 11.
Page 62: Sensor (Lower Media Exit) Off Jam B
4024-XXX Step Check Check the sensor (lower media exit) connection. Replace the Replace the sensor (lower connection. Is the above sensor connected properly? media exit). Go to “Sensor (lower media exit) removal” on page 4-80. Perform a test print. Replace the Problem solved.
Page 63: Sensor (Lower Media Exit) Static Jam
4024-XXX Step Check Check the sensor (lower media exit) connection. Replace the Replace the sensor (lower connection. Is the above sensor connected properly? media exit). Go to “Sensor (lower media exit) removal” on page 4-80. Check the drive motor (exit) by opening the finisher Go to step 7.
Page 64: Finisher Eject Set Jam
4024-XXX Step Check Check the drive motor (exit) for correct operation. Go to step 5. Go to step 4. Check the above motor by opening the finisher front door assembly and then closing it. Does the motor (exit) rotate normally? Check the drive motor (exit) connection.
Page 65: Sensor (Compiler Media In) Static Jam
4024-XXX Step Check Check the sensor (compiler media in) for correct Go to step 7. Go to step 6. operation. Perform the sensor (compiler media in) in test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 66 4024-XXX Step Check Check the sensor (compiler media in) connection. Replace the Replace the sensor (compiler connection. Is the above sensor connected properly? media in). Go to “Sensor (compiler media in) removal” on page 4-73. Check the media eject motor assembly by opening the Go to step 7.
Page 67: Sensor (Upper Media Exit) On Jam A
4024-XXX 287.00 Sensor (upper media exit) on jam A Step Check Check the media path. Go to step 2. Clean or replace the appropriate 1. Open the finisher front door assembly of the roller, and clean finisher. the media path. 2.
Page 68: Sensor (Upper Media Exit) Off Jam A
4024-XXX Step Check Check the drive motor (buffer/transport/connection. Replace the drive Replace the motor (buffer/ connection. Is the above motor properly connected? transport). Go to “Drive motor (buffer/ transport) and belt (buffer/ transport) removal” on page 4-115. Perform a test print. Replace the Problem solved.
Page 69: Sensor (Upper Media Exit) On Jam B
4024-XXX Step Check Check the drive motor (buffer/transport) for rotation. Go to step 7. Go to step 6. Check the above motor by opening the finisher front door assembly and then closing it. Does the drive motor (buffer/transport) rotate properly? Check the drive motor (buffer/transport) connection.
Page 70 4024-XXX Step Check Check the media path. Go to step 4. Clean or replace the appropriate 1. Open the upper pinch guide assembly to the right. roller and clean 2. Check these items by turning them with your the media path. fingers.
Page 71: Sensor (Upper Media Exit) On Jam C
4024-XXX 287.03 Sensor (upper media exit) on jam C Step Check Check the media path. Go to step 2. Clean or replace the appropriate 1. Open the finisher front door assembly of the roller, and clean finisher. the media path. 2.
Page 72: Sensor (Upper Media Exit) Off Jam B
4024-XXX Step Check Check the drive motor (buffer/transport/connection. Replace the drive Replace the motor (buffer/ connection. Is the above motor properly connected? transport). Go to “Drive motor (buffer/ transport) and belt (buffer/ transport) removal” on page 4-115. Perform a test print. Replace the Problem solved.
Page 73: Sensor (Upper Media Exit) Static Jam A
4024-XXX Step Check Check the drive motor (buffer/transport) for rotation. Go to step 7. Go to step 6. Check the above motor by opening the finisher front door assembly and then closing it. Does the drive motor (buffer/transport) rotate properly? Check the drive motor (buffer/transport) connection.
Page 74: Sensor (Upper Media Exit) Static Jam B
4024-XXX Step Check Check the sensor (upper media exit) and main sensor Replace the Replace the cable assembly connection. sensor (upper connection. media exit). Go to Is the above sensor connected properly? “Sensor (upper media exit) removal” on page 4-104. Check the drive motor (buffer/transport) by opening the Go to step 5.
Page 75: Sensor (Upper Media Exit) Static Jam C
4024-XXX Step Check Check the drive motor (buffer/transport) by opening the Go to step 5. Go to step 4. finisher front door assembly and then closing it. Does the drive motor (buffer/transport) rotate normally? Check the drive motor (buffer/transport) connection. Replace the drive Replace the motor (buffer/...
Page 76: Sensor (Diverter Gate) On Jam
4024-XXX Step Check Check the drive motor (buffer/transport) connection. Replace the drive Replace the motor (buffer/ connection. Is the above motor connected properly? transport). Go to “Drive motor (buffer/ transport) and belt (buffer/ transport) removal” on page 4-115. Perform a test print. Replace the Problem solved.
Page 77 4024-XXX Step Check Are the media entrance pinch guide pinch roll on the Go to step 5. Clean or replace entrance pinch guide assembly and media entrance the appropriate roll assembly free of damage? transport belts and bridge unit pinch roll, and clean the media path.
Page 78 4024-XXX Step Check Check the sensor (diverter gate) for correct operation. Go to step 11. Go to step 10. Perform the sensor (diverter gate) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4. Select Media Path2. 5.
Page 79: Sensor (Diverter Gate) Static Jam (To Top Bin) A
4024-XXX 288.01 Sensor (diverter gate) static jam (to top bin) A Step Check Check the sensor (diverter gate) for correct operation. Go to step 3. Go to step 2. Perform the sensor (diverter gate) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 80: Sensor (Diverter Gate) Static Jam (To Top Bin) B
4024-XXX 288.02 Sensor (diverter gate) static jam (to top bin) B Step Check Check the sensor (diverter gate) for correct operation. Go to step 3. Go to step 2. Perform the sensor (diverter gate) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 81: Sensor (Diverter Gate) Static Jam (To Top Bin) C
4024-XXX 288.03 Sensor (diverter gate) static jam (to top bin) C Step Check Check the sensor (diverter gate) for correct operation. Go to step 3. Go to step 2. Perform the sensor (diverter gate) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 82: Sensor (Diverter Gate) Static Jam (To Stacker Bin) A
4024-XXX 288.04 Sensor (diverter gate) static jam (to stacker bin) A Step Check Check the sensor (diverter gate) for correct operation. Go to step 3. Go to step 2. Perform the sensor (diverter gate) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 83: Sensor (Diverter Gate) Static Jam (To Stacker Bin) B
4024-XXX 288.05 Sensor (diverter gate) static jam (to stacker bin) B Step Check Check the sensor (diverter gate) for correct operation. Go to step 3. Go to step 2. Perform the sensor (diverter gate) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 84: Sensor (Diverter Gate) Static Jam (To Stacker Bin) C
4024-XXX 288.06 Sensor (diverter gate) static jam (to stacker bin) C Step Check Check the sensor (diverter gate) for correct operation. Go to step 3. Go to step 2. Perform the sensor (diverter gate) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 85: Finisher Communication Failure
4024-XXX 980.02 Finisher communication failure Step Check Check the printer and finisher installation. Go to step 2. Remove the finisher. Go to Is the finisher installed to the printer correctly? “Finisher removal” on page 4-4. Turn the power on and off. Go to step 3.
Page 86 4024-XXX Step Check Is the sensor (stacker bin level 1) connected properly? Replace the Replace the sensor (stacker connection. bin level 1). Go to “Sensor (stacker bin level 1) removal” on page 4-34. Check the sensor (stacker bin level 2) for correct Go to step 7.
Page 87: Stacker Bin Upper Limit Failure
4024-XXX 981.01 Stacker bin upper limit failure Step Check Check the sensor (stacker bin level 1) for correct Go to step 3. Go to step 2. operation. Perform the sensor (stacker bin level 1) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3.
Page 88: Stacker Bin Lower Limit Failure
4024-XXX Step Check Check the sensor (stacker bin upper limit) for correct Go to step 8. Go to step 7. operation. Perform the sensor (stacker bin upper limit) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 89 4024-XXX Step Check Check the sensor (stacker bin no media) for correct Go to step 4. Go to step 3. operation. Perform the sensor (stacker bin no media) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 90: Sensor (Front Tamper Hp) On Failure
4024-XXX Step Check Check the sensor (stacker bin level encoder) for correct Go to step 10. Go to step 9. operation. Perform the sensor (stacker bin level encoder) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 91: Sensor (Front Tamper Hp) Off Failure
4024-XXX Step Check Check the sensor (front tamper HP) for correct Go to step 4. Go to step 3. operation. Perform the sensor (front tamper HP) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4. Select Media path2. 5.
Page 92: Sensor (Rear Tamper Hp) On Failure
4024-XXX Step Check Check the sensor (front tamper HP) for correct Go to step 4. Go to step 3. operation. Perform the sensor (front tamper HP) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4. Select Media path2. 5.
Page 93: Sensor (Rear Tamper Hp) Off Failure
4024-XXX Step Check Check the sensor (rear tamper HP) for correct Go to step 4. Go to step 3. operation. Perform the sensor (rear tamper HP) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4. Select Media path2. 5.
Page 94: Sensor (Punch Unit Hp) On Failure
4024-XXX Step Check Check the sensor (rear tamper HP) for correct Go to step 4. Go to step 3. operation. Perform the sensor (rear tamper HP) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4. Select Media path2. 5.
Page 95 4024-XXX Step Check Check the sensor (punch unit HP) for correct operation. Go to step 4. Go to step 3. Perform the sensor (punch unit HP) test. Remove the rear upper cover. Go to “Rear upper cover removal” on page 4-24.
Page 96: Sensor (Punch Unit Hp) Off Failure
4024-XXX 984.01 Sensor (punch unit HP) off failure Step Check Check the punch unit by moving it with your fingers. Go to step 2. Remove obstructions. Does the punch unit move smoothly? Check the sensor (punch unit HP) for correct operation. Go to step 4.
Page 97: Sensor (Punch Carriage Shift Hp) On Failure
4024-XXX Step Check Perform a test print. Replace the Problem solved. finisher controller Does the error still occur? card assembly. Go to “Finisher controller card assembly removal” on page 4-118. 985.00 Sensor (punch carriage shift HP) on failure Step Check Check the punch carriage for correct operation.
Page 98: Sensor (Punch Carriage Shift Hp) Off Failure
4024-XXX Step Check Is the punch carriage shift motor assembly connected Replace the Replace the properly? punch carriage connection. shift motor assembly. Go to “Punch carriage shift motor assembly removal” on page 4-43. Perform a test print. Replace the Problem solved. printer engine Does the error still occur.
Page 99: Sensor (Media Eject Clamp Hp) On Failure
4024-XXX Step Check Open the finisher front door assembly. Go to step 6. Go to step 5. Manually push the punch carriage toward the rear of the finisher. Check the punch carriage shift motor assembly by opening and closing the finisher front door. The punch carriage should move slightly.
Page 100: Sensor (Media Eject Clamp Hp) Off Failure
4024-XXX Step Check Check the sensor (media eject clamp HP) connection. Replace the Replace the sensor (media connection. Is the above sensor connected properly? eject clamp HP). Go to “Sensor (media eject clamp HP) removal” on page 4-67. Check the media eject clamp motor by opening the Go to step 6.
Page 101: Sensor (Media Eject Shaft Hp) On Failure
4024-XXX Step Check Is the sensor (media eject clamp HP) connected Replace the Replace the properly? sensor (media connection. eject clamp HP). Go to “Sensor (media eject clamp HP) removal” on page 4-67. Check the media eject clamp by opening the finisher Go to step 6.
Page 102: Sensor (Media Eject Shaft Hp) Off Failure
4024-XXX Step Check Check the sensor (media eject shaft HP) connection. Replace the Replace the sensor (media connection. Are the connections of the main sensor cable assembly eject shaft HP). correctly connected? Go to “Sensor (media eject shaft HP) removal” on page 4-79.
Page 103 4024-XXX Step Check Check the sensor (media eject shaft HP) for correct Go to step 4. Go to step 3. operation. Perform the sensor (media eject shaft HP) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 104: Sensor (Punch Unit Side Reg) On Failure
4024-XXX 988.00 Sensor (punch unit side reg) on failure Note: This procedure pertains to sensor punch unit reg1 and reg2. Step Check Check the punch carriage by moving it with your Go to step 2. Remove fingers. obstructions. Does the punch carriage move back and forth smoothly? Check the sensor (punch unit side reg1) for correct Go to step 3.
Page 105: Sensor (Punch Unit Side Reg) Off Failure
4024-XXX Step Check Open the finisher front door assembly. Go to step 7. Go to step 6. Manually push the punch carriage toward the rear of the finisher. Check the punch carriage shift motor assembly by opening and closing the finisher front door. The punch carriage should move slightly.
Page 106 4024-XXX Step Check Check the sensor (punch unit side reg2) for correct Go to step 5. Go to step 4. operation. Perform the sensor (punch unit side reg2) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 107: Stapler Unit Failure
4024-XXX 989.00 Stapler unit failure Step Check Check the stapler unit assembly for correct operation. Check for staples Go to step 2. and staple jam. Perform the staple test. Problem resolved. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Staple Test. Does the motor in the stapler unit assembly rotate normally and staple the media? Is the stapler unit assembly connected properly?
Page 108: Sensor (Stapler Carriage Hp) Off Failure
4024-XXX Step Check Check the stapler carriage motor assembly by opening Go to step 6. Go to step 5. the finisher front door assembly then pushing the stapler carriage towards the back. Then closing the finisher front door assembly, the stapler carriage should move.
Page 109: Finisher Nvram R/W Failure
4024-XXX Step Check Perform a test print stapled document. Replace the Problem solved. printer engine Does the error still occur? card assembly. Refer to the Printer Service Manual. 995.00 Finisher NVRAM R/W failure Step Check Turn the finisher off and on several times. Go to step 2.
Page 110: Finisher Engine/Rip Functional Failure
4024-XXX 999.00 Finisher engine/RIP functional failure Step Check Turn the printer off and on several times. Go to step 2. Problem solved. Does the error still occur when the power is on? Check the finisher controller card assembly Replace the Problem solved.
Page 111 4024-XXX Step Check Check the bridge unit assembly top cover actuator. Go to step 4 Problem solved. Paint both faces of the actuator with a black permanent marker. Does the error continue? Check the sensor (bridge unit top cover interlock) Go to step 5.
Page 112: Finisher Front Door Open
4024-XXX Finisher front door open Step Check Open and close the finisher front door assembly. Go to step 2. Check the finisher front door Does it open or close smoothly? assembly for installation, correct deformations, or replace it. Go to “Finisher front door assembly removal”...
Page 113: Finisher Eject Cover Open
4024-XXX Finisher eject cover open Step Check Check the switch (eject cover interlock) installation. Go to step 2. Reinstall the switch (media Is the switch (eject cover interlock) installed correctly? eject cover). Check the operation of the switch (eject cover Go to step 4.
Page 114: No Punch Waste Box
4024-XXX Step Check Is the sensor (upper media bin full) connected Replace the Replace the properly? sensor (upper connection. media bin full). Go to “Sensor (upper media bin full) removal” on page 4-108. Perform a test print. Replace the Problem solved. finisher controller Does the error still occur? card assembly.
Page 115: Punch Waste Box Full
4024-XXX Step Check Perform a test print. Replace the Problem solved. bridge interface Does the error still occur? card assembly. Go to “Bridge unit interface card assembly removal” on page 4-117. Go to step 5. Perform a test print. Replace the Problem solved.
Page 116: Stacker Media Bin Full (Mix Size)
4024-XXX Step Check Perform a test print. Replace the Problem solved. finisher controller Does the error still occur? card assembly. Go to “Finisher controller card assembly removal” on page 4-118. Stacker media bin full (mix size) Step Check Check the stacker bin for obstructions. Remove the Go to step 2.
Page 117 4024-XXX Step Check Is the sensor (stacker bin level 2) connected properly? Replace the Replace the sensor (stacker connection. bin level 2). Go to “Sensor (stacker bin level 2) removal” on page 4-34. Check the encoder of the sensor (stacker bin level Go to step 7.
Page 118: Stacker Media Bin Full (No Mix)
4024-XXX Stacker media bin full (no mix) Step Check Check the stacker bin for obstructions. Remove the Go to step 2. obstructions. Are there any obstructions on the upper and lower parts of the stacker bin? Check the sensor (stacker bin level 1) for correct Go to step 4.
Page 119: Stacker Lower Safety Failure
4024-XXX Step Check Check the sensor (stacker bin level encoder) for correct Go to step 9. Go to step 8. operation. Perform the sensor (stacker bin level encoder) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 120 4024-XXX Step Check Check the sensor (stacker bin level 1) for correct Go to step 5. Go to step 4. operation. Perform the sensor (stacker bin level 1) test. 1. Enter Diagnostics mode. 2. Select FINISHER TESTS. 3. Select Sensor Tests. 4.
Page 121: Stacker Set Over Count Failure
4024-XXX Step Check Perform a test print. Replace the Problem solved. finisher controller Does the error still occur? card assembly. Go to “Finisher controller card assembly removal” on page 4-118. Stacker set over count failure Step Check Check connectors of the finisher controller card Go to step 3.
Page 122 4024-XXX Step Check Check the stapler unit cable assembly connection. Replace the Replace the stapler unit connection. Are all the connections of the stapler unit cable assembly. assembly connected properly? Go to “Stapler unit assembly removal” on page 4-56. Perform a stapled print test. Replace the Problem solved.
Page 123: Diagnostic Aids
4024-XXX 3. Diagnostic aids This chapter explains the finisher tests and procedures and information to identify finisher failures and verify repairs have corrected the problem. Refer to the Printer Service Manual for the entire Diagnostics mode and Configuration menus. Also descriptive information in “Theory”...
Page 124: Finisher Tests
4024-XXX FINISHER TESTS Staple Test This test verifies the staple mechanism by sending eight sheets of media from the printers default paper source and stapling the sheets. To run the Staple Test: Select FINISHER TESTS from DIAGNOSTICS. Select Staple Test from FINISHER TESTS. Select the output bin and press While the test runs the power indicator blinks and the message Staple Test Running…...
Page 125: Exit Diagnostics
4024-XXX Select the actual test to perform. Each of the tests categories includes the individual sensors that can be manually actuated and the display shows Open or Closed. • Cover and Door Cover F bridge top Door G fin front Surface H fin eject •...
Page 126: Theory
4024-XXX Theory Media transport This section describes transfer of media from the printer to a specified bin. The following figures illustrate layouts (side view viewing from the front side) of sensors, rollers, and main blocks, as well as a layout (rear view) of the main components. Bridge unit assembly paper path To finisher From printer...
Page 127: Finisher Roll Assemblies
4024-XXX Finisher roll assemblies Upper media exit roll assembly - driven by drive motor (exit) Upper media transport roll assembly - driven Finisher diverter gate by drive motor (buffer/transport) Sub paddle - driven by drive motor (entrance/paddle) Eject clamp - Finisher media entrance driven by media roll assembly - driven by...
Page 128: Finisher Motors
4024-XXX Finisher motors Drive motor (exit) Drive motor Media eject clamp motor (buffer/transport) Finisher diverter gate solenoid Media eject motor asm Buffer diverter solenoid Drive motor (entrance paddle) Stacker bin lift motor assembly Bridge unit assembly When the finisher is designated by the command of printer, the media diverter gate in the printer activates and media is fed from the printer into the bridge unit assembly.
Page 129: From Bridge Unit Assembly To Punch
4024-XXX From bridge unit assembly to punch The media fed from the bridge unit assembly is fed into the finisher by the media entrance roll assembly located on the entrance section of the finisher that is driven by the motor (entrance/paddle). The media route inside the finisher is determined by the media diverter gate.
Page 130: From Punch To Compiler Unit Assembly
4024-XXX From punch to compiler unit assembly The media is transferred to the compiler unit assembly by the buffer roll assembly (driven by the motor (buffer/ transport) and by the lower media exit roll assembly driven by the drive motor (exit). When the first media reaches the compiler unit assembly, the media eject clamp motor is activated to lower the media eject clamp so that the media eject clamp and the media eject shaft assembly can clamp the media.
Page 131 4024-XXX Sensor (lower media exit) Sub paddle—driven by drive motor (entrance/paddle) Eject clamp—driven Buffer roll assembly— by eject clamp motor driven by drive motor (buffer/transport) Media eject shaft assembly— driven by media eject motor asm Buffer diverter Compiler unit assembly Main paddle Lower media exit motor—driven by...
Page 132: From Compiler Unit Assembly To Stacker Media Bin
4024-XXX From compiler unit assembly to stacker media bin Stapled media on the compiler unit assembly (stapling mode) or aligned media (non-stapling mode) are held between the media eject clamp and the media eject shaft assembly. The media eject shaft assembly is driven by the media eject motor assembly to transfer media to the stacker media bin.
Page 133: Finisher
4024-XXX Finisher • Sensor (finisher media entrance) – A reflective photo-sensor to detect whether media is fed from the bridge unit assembly to the finisher – It turns “H” (+5 V dc) while media is present within the sensing area. –...
Page 134: Punch Unit
4024-XXX Punch unit This section describes the media punching operation of the punch. Two types of punch are provided: the 2/3-hole type and the 2/4-hole type. The following explains the 2/3-hole type (2-hole/3-hole auto-switching). Every type has the same construction, except for the sensor (punch hole select) that is provided for the 2-hole type and 3-hole type only.
Page 135: Punching
4024-XXX Punching After punching positions are determined, the punch unit motor is activated to move the cam plate. With the movement of the cam plate, the pins descend along the guide holes to punch the media. This operation is performed for each sheet of media. The cam plate can lower the pins even while it is moving to the front or rear side.
Page 136: Detecting Punch Waste Full
4024-XXX Detecting punch waste full Punch waste is stored in the punch waste box. A sensor is provided to detect punch waste full. When punch waste full is detected, it is notified to the operator only once. Even if punch waste is not removed, the finisher can still punch media. However it can spread punch waste inside the machine.
Page 137: Compiler Unit Assembly
4024-XXX • Sensor (punch waste box set) – A photo-interrupter to detect whether the waste box is properly set – When the punch waste box is properly set, the actuator of the box blocks the light transmission of the sensor, which turns the sensor to “H” (+5 V dc). •...
Page 138: Capacity Of Compiler Unit Assembly
4024-XXX Capacity of compiler unit assembly Media volume that can be stacked on the compiler unit assembly is limited as shown in the table below. The number of sheets depends on whether media is stapled or not, as well as on media size. If the number of sheets of one set to be stapled exceeds the limit, the exceeding sheets are not stacked on the compiler unit assembly, and are forcibly ejected to the stacker media bin without being stapled.
Page 139: Front Tamping
4024-XXX Front tamping Front tamping is used in the following cases. • In the non-staple mode • When executing front stapling (corner) The tamper positions during front tamping are shown below. Sensor (rear tamper HP) Sensor (front tamper HP) Rear Front Front tamper motor Rear tamper...
Page 140: Rear Tamping
4024-XXX Rear tamping Rear tamping is used in the following cases. • When executing rear stapling (corner) • When executing dual stapling The tamper positions during rear tamping are shown below. Sensor (rear tamper HP) Sensor (front tamper HP) Rear Front Front tamper motor Front tamper...
Page 141: Center Tamping
4024-XXX Center tamping Center tamping is used when executing rear stapling (straight). The tamper positions during center tamping are shown below. Sensor (front tamper HP) Sensor (rear tamper HP) Front Rear Front tamper motor Front tamper Rear tamper Rear tamper motor Position Description Front tamper home position—sensor (front tamper HP) Front tamper standby position...
Page 142: Offsetting
4024-XXX Offsetting Offsetting is an operation to shift the position of media to be ejected to the stacker media bin so that boundaries between media units (sets of media, job unit, etc.) can be easily recognized. Offsetting is executed for staple positions: •...
Page 143: Stapler
4024-XXX • Rear tamper motor – A stepping motor to move the rear tamper for tamping – Clockwise rotation of this motor moves the rear tamper to the front side. Counterclockwise rotation of this motor moves the tamper to the rear side. Rear tamper Front tamper Sensor (rear...
Page 144: Media Sizes That Allow Stapling
4024-XXX • Rear Staple (Straight) [rear Straight] Rear This type of stapling is applied for media with a width of less than 216 mm. The Stapler staples a set of media in parallel with the media edge after the front tamper aligns the media to the rear side.
Page 145: Media Limits For Stapling
4024-XXX While if sheets with different widths are present on the compiler unit assembly, stapling is stopped when a different width is detected. Such different-width sheets are forcibly ejected to the stacker media bin. Media limits for stapling The number of sheets to be stapled is limited to prevent damage to the stapler. •...
Page 146: Stapler Unit Assembly
4024-XXX Stapler unit assembly Stapling operation is executed by closing the stapler unit assembly. The stapler unit assembly, containing the staple motor, the sensor (staple home), the sensor (self priming), and the sensor (low staple), is activated by the staple motor. Forward (clockwise) rotation of the motor drives the stapler to staple a set of sheets, and returns the stapling unit to the home position.
Page 147: Upper Media Bin
4024-XXX • Stapler unit motor (in the stapler unit assembly) – A DC motor to activate the stapler unit assembly for stapling – Clockwise rotation of this motor enables stapling, while counterclockwise rotation returns the stapler unit assembly. Stapler carriage motor asm Stapler rack gear Sensor (stapler carriage HP)
Page 148: Stacker Media Bin
4024-XXX Stacker media bin The stacker media bin goes up and down to an appropriate position according to the volume of media fed from the compiler unit assembly so as to properly stack media to “full stack”. Operation The stacker media bin moves to an appropriate position according to the volume of media fed from the compiler unit assembly.
Page 149 4024-XXX The stacker media bin lowers according to the volume of media it contains. If any obstacle under the tray hinders the tray from lowering, “Stacker Lower Safety Warning” is detected, and the stacker media bin is stopped. Eject clamp motor Sensor (stacker bin level 1) Sensor (media eject clamp HP)
Page 150: Full Stack Detection
4024-XXX Full stack detection “Full stack” is detected when media in the stacker media bin becomes full to prevent media jam or falling of media to the floor. The stacker media bin can stack up to approximately 3000 sheets. The media volume in the stacker media bin is detected at every 10% (approximately 300 sheets) and notified to the Controller.
Page 151 4024-XXX • Sensor (stacker bin no media) – A photo-interrupter to detect that the stacker media bin is at the highest position, and also to detect “no media” – When the actuator attached to the carriage assembly right enters the sensing area, the emitted light is blocked, which turns the sensor to “H”...
Page 152: Power Supply And Interlock
4024-XXX Power supply and interlock The finisher is equipped with the following interlock switches. • Switch (finisher front door interlock)—Turns off when the cover assembly front opens, shutting off the Interlock, +24 V dc line in the finisher. • Switch (eject cover interlock)—Turns off when the cover eject on the right side opens, shutting off the Interlock, +24 V dc line in the finisher.
Page 153: Repair Information
4024-XXX 4. Repair information Warning: Read the following before handling electronic parts. Handling ESD-sensitive parts Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD). To prevent damage to ESD-sensitive parts, use the following instructions in addition to all the usual precautions, such as turning off power before removing logic boards: •...
Page 154: Removal Procedures
4024-XXX Removal procedures CAUTION: Remove the power cord from the printer or electrical outlet before you connect or disconnect any cable or electronic board or assembly for personal safety and to prevent damage to the printer. Disconnect any connections between the printer and PCs/peripherals. Note: Some removal procedures require removing cable ties.
Page 155 4024-XXX Remove the bridge unit assembly (B) from the printer. Repair information...
Page 156: Finisher Removal
4024-XXX Finisher removal Disconnect the finisher power cord and the finisher connection cable from the rear of the printer. Release the hook securing the bridge unit hookup cover (A) to the finisher. Hook Right Rear Remove the bridge unit hookup cover (A). Disconnect the bridge unit connection from the finisher.
Page 157 4024-XXX Open the finisher front door assembly (B) on the front of the finisher. Pull the finisher docking latch assembly (C) outward in the direction of the arrow, and pull the finisher away from the printer. Close the finisher front door assembly. Repair information...
Page 158: Bridge Unit Rear Cover Removal
4024-XXX Remove the two screws securing the finisher docking bracket (D) to the printer. Remove the finisher docking bracket (D). Replacement note: When docking the finisher to the printer, make sure the boss on the finisher docking bracket (D) is inserted into the hole on the finisher docking latch assembly (C). The finisher should be firmly locked into position.
Page 159: Bridge Unit Top Cover Assembly Removal
4024-XXX Bridge unit top cover assembly removal Remove the bridge unit rear cover. See “Bridge unit rear cover removal” on page 4-6. Open the bridge unit top cover assembly (A). Remove the six screws securing the bridge unit top cover assembly (A) to the bridge unit assembly (B). Lift the bridge unit top cover assembly (A) upward in the direction of the arrow.
Page 160: Bridge Unit Drive Belt And Bridge Unit Drive Pulley Removal
4024-XXX Bridge unit drive belt and bridge unit drive pulley removal Remove the bridge unit rear cover. See “Bridge unit rear cover removal” on page 4-6. Remove the e-clip with a prying tool securing the bridge unit drive pulley (A) to the bridge unit assembly (B).
Page 161: Bridge Unit Right Shaft Assembly Removal
4024-XXX Bridge unit right shaft assembly removal Remove the bridge unit rear cover. See “Bridge unit rear cover removal” on page 4-6. Remove the bridge unit transport belt and bridge unit drive pulley. See “Bridge unit drive belt and bridge unit drive pulley removal”...
Page 162: Bridge Unit Left Shaft Assembly Removal
4024-XXX Bridge unit left shaft assembly removal Open the bridge unit top cover assembly. Use a prying tool to remove the front e-clip securing the 4 mm ball bearing (A) to the bridge unit left shaft (B). Front Move the bridge unit left shaft (B) rearward as shown. Remove the bridge unit left shaft (B) from the two transport belts (C).
Page 163: Bridge Unit Idler Rolls Removal
4024-XXX Bridge unit idler rolls removal Open the bridge unit top cover assembly. Remove the bridge unit left shaft assembly. See “Bridge unit left shaft assembly removal” on page 4-10. Move the two transport belts (A) away from the two bridge unit idler rolls (B). Lift the two bridge unit idler rolls upward to release them from the bridge unit assembly (C).
Page 164: Bridge Unit Transport Belt Removals
4024-XXX Bridge unit transport belt removals Remove the bridge unit rear cover. See “Bridge unit rear cover removal” on page 4-6. Open the bridge unit top cover assembly. Remove the bridge unit right shaft assembly. See “Bridge unit right shaft assembly removal” on page 4-9.
Page 165: Bridge Unit Drive Motor Assembly Removal
4024-XXX Bridge unit drive motor assembly removal Remove the bridge unit rear cover. See “Bridge unit rear cover removal” on page 4-6. Remove the bridge unit drive belt. See “Bridge unit drive belt and bridge unit drive pulley removal” on page 4-8.
Page 166: Bridge Unit Entrance Guide Removal
4024-XXX Bridge unit entrance guide removal Remove the bridge unit rear cover. See “Bridge unit rear cover removal” on page 4-6. Open the bridge unit top cover assembly. Remove the two screws securing the bridge unit entrance guide (A) to the bridge unit assembly (B). Remove the bridge unit entrance guide (A).
Page 167: Sensor (Bridge Unit Top Cover Interlock) Removal
4024-XXX Sensor (bridge unit top cover interlock) removal Remove the bridge unit assembly. See “Bridge unit assembly removal” on page 4-2. Place the bridge unit assembly upside down. Remove the screw securing the bracket (A) to the bridge unit assembly (B). Disconnect the cable from the sensor (bridge unit top cover interlock) (C).
Page 168: Sensor (Bridge Unit Media Entrance) Removal
4024-XXX Sensor (bridge unit media entrance) removal Remove the bridge unit assembly. See “Bridge unit assembly removal” on page 4-2. Place the bridge unit assembly upside down. Remove the screw securing the bracket (A) to the bridge unit assembly (B). Disconnect the connector from the sensor (bridge unit media entrance) (C).
Page 169: Sensor (Bridge Unit Media Exit) Removal
4024-XXX Sensor (bridge unit media exit) removal Remove the bridge unit assembly. See “Bridge unit assembly removal” on page 4-2. Place the bridge unit upside down. Remove the screw securing the bracket (A) to the bridge unit (B). Connector Disconnect the connector from the sensor (bridge unit media exit) (C). Release the hooks securing the sensor (bridge unit media exit) (C) to the bracket (A).
Page 170: Bridge Unit Pinch Roller Removal
4024-XXX Bridge unit pinch roller removal Open the bridge unit top cover assembly (A). Remove the six bridge unit pinch rollers (B) by gently pulling them out of the bridge unit top cover assembly. Remove the six springs (C). 4-18 Finisher Service Manual...
Page 171: Top Cover Removal
4024-XXX Top cover removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-20. Remove the four screws securing the top cover (A) to the finisher. Remove the top cover (A).
Page 172: Upper Media Bin Assembly Removal
4024-XXX Upper media bin assembly removal Loosen the two screws securing the upper media bin assembly (A) to the finisher. Right Lift the upper media bin assembly (A) upward in the direction of the arrow. Remove the upper media bin assembly (A). 4-20 Finisher Service Manual...
Page 173: Right Eject Cover Removal
4024-XXX Right eject cover removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the two screws securing the right eject cover (A) to the finisher. Right Remove the right eject cover (A).
Page 174: Stacker Media Bin Assembly Removal
4024-XXX Stacker media bin assembly removal Release the two hooks securing the stacker media bin assembly (A) to the finisher. Lift the stacker media bin assembly (A) upward. Remove the stacker media bin assembly. (A). Right lower low voltage power supply (LVPS) cover removal Remove the two screws securing the right lower LVPS cover (A) to the finisher.
Page 175: Rear Lower Cover Removal
4024-XXX Rear lower cover removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24 Remove the four screws securing the rear lower cover (A) to the finisher. Remove the rear lower cover (A). 4-23 Repair information...
Page 176: Rear Upper Cover Removal
4024-XXX Rear upper cover removal Release the hook of the bridge unit hookup cover (A) to the finisher. Disconnect the bridge unit harness from the finisher. Remove the four screws securing the rear upper cover (B) to the finisher. Hook Remove the rear upper cover (B).
Page 177: Upper Media Bin Front Cover Removal
4024-XXX Upper media bin front cover removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-20. Remove the two screws securing the upper media bin front cover (A). Remove the upper media bin front cover (A).
Page 178: Switch (Finisher Front Door Interlock) Removal
4024-XXX Switch (finisher front door interlock) removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the punch waste box (A). Remove the three screws in the front securing the punch waste chute (B). Gently pull down the punch waste chute (B) to gain better access to the switch (finisher front door interlock) (C).
Page 179: Finisher Front Door Assembly Removal
4024-XXX Finisher front door assembly removal Open the finisher front door assembly (A). Remove the three screws securing the finisher front door assembly. Remove the finisher front door assembly. Replacement note: Make sure the actuator molded in the finisher front door assembly properly engages the switch (finisher front door interlock) (B).
Page 180: Left Lower Cover Removal
4024-XXX Left lower cover removal Open the finisher front door assembly. Remove the two screws securing the left lower cover (A). Remove the left lower cover (A). 4-28 Finisher Service Manual...
Page 181: Left Upper Cover Removal
4024-XXX Left upper cover removal Open the finisher front door assembly. Remove the two screws securing the left upper cover (A). Remove the left upper cover (A). 4-29 Repair information...
Page 182: Carriage Lift Belt Left Removal
4024-XXX Carriage lift belt left removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Move the slip clutch gear 24T (A) toward the rear to disengage the stacker bin (B). Move the stacker bin (B) down to its lowest position after being disengaged.
Page 183 4024-XXX Remove the two screws securing the bin bracket (C) to the left carriage bracket (D). Remove the spring (E) from the left carriage lift assembly. Remove the screw securing the upper belt clamp (F) to the left carriage bracket (D). Remove the upper belt clamp (F).
Page 184: Carriage Lift Belt Right Removal
4024-XXX Carriage lift belt right removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Move the slip clutch gear 24T (A) toward the rear to disengage the stacker bin (B). Move the stacker bin (B) to its lowest position.
Page 185 4024-XXX Remove the two screws securing the bin bracket (C) to the right carriage bracket (D). Remove the spring (E) from the right carriage bracket (D). Remove the screw securing the upper belt clamp (F) to the right carriage bracket (D). Remove the upper belt clamp (F).
Page 186: Sensor (Stacker Bin Level 1) Removal
4024-XXX Sensor (stacker bin level 1) removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Disconnect the connector from the sensor (stacker bin level 1) (A). Front Connector Remove the screw securing the sensor (stacker bin level 1) (A) to the finisher.
Page 187: Sensor (Stacker Bin Level Encoder) Removal
4024-XXX Sensor (stacker bin level encoder) removal Remove the rear upper cover. See“Rear upper cover removal” on page 4-24. Disconnect the connector from the sensor (stacker bin level encoder) (A). Release the harness from the clamp. Remove the screw securing the bracket (B) from the stacker bin lift motor assembly (C). Connector Clamp Rear...
Page 188: Sensor (Stacker Bin Upper Limit) Or Sensor (Stacker Bin No Media) Removal
4024-XXX Sensor (stacker bin upper limit) or sensor (stacker bin no media) removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the stacker media bin assembly. See “Stacker media bin assembly removal” on page 4-22.
Page 189 4024-XXX Replacement note: Make sure that the yellow connector is plugged into the sensor (stacker bin no media) (C). Rear White connector Yellow connector 4-37 Repair information...
Page 190: Stacker Bin Lift Motor Assembly Removal
4024-XXX Stacker bin lift motor assembly removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the rear lower cover. See “Rear lower cover removal” on page 4-23. Loosen the four screws securing the plate (A). Move the plate (A) toward the right as shown.
Page 191 4024-XXX Move the slip clutch gear 24T (B) toward the rear to disengage the stacker bin (C). Move the stacker bin (C) to the lowest position. Note: Make sure the stacker bin (C) is at the lowest position before continuing. Disconnect the connector from the sensor (stacker bin level encoder) (D).
Page 192 4024-XXX Remove the screw securing the bracket (F) to the stacker bin lift motor assembly (G). Remove the bracket (F). Connector Clamp Release the hook securing the encoder (H) to the stacker bin lift motor assembly (G). Remove the encoder. Remove the three screws securing the stacker bin lift motor assembly (G) to the finisher.
Page 193: Punch Carriage Assembly Removal
4024-XXX Punch carriage assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the connector from the sensor (punch carriage shift HP) (A). Remove the top cover. See “Top cover removal”...
Page 194 4024-XXX Remove the two screws on the front securing the punch carriage assembly (B) to the finisher. While moving the belt (buffer/transport) (E) to the left as shown, pull the punch carriage assembly (B) gently out of the rear of the finisher. Warning: Do not force the punch carriage assembly (B) out of the finisher.
Page 195: Punch Carriage Shift Motor Assembly Removal
4024-XXX Punch carriage shift motor assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-41. Remove the two screws securing the cover (A) to the punch carriage assembly (B). Remove the cover (A).
Page 196: Sensor (Punch Unit Side Registration Pair) With Bracket Removal
4024-XXX Sensor (punch unit side registration pair) with bracket removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-41.
Page 197: Punch Unit Assembly Removal
4024-XXX Punch unit assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-41. Remove the screw securing the cover (A) to the punch unit assembly (B). Remove the cover (A).
Page 198: Punch Media Stop Assembly Removal
4024-XXX Punch media stop assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-41. Remove the punch unit assembly. See “Punch unit assembly removal”...
Page 199: Punch Unit Motor Assembly Removal
4024-XXX Punch unit motor assembly removal Open the finisher front door assembly. Remove the rear upper cover. See“Rear upper cover removal” on page 4-24. Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-41. Disconnect the connector from the punch unit motor assembly (A). Disconnect the connector from the sensor (punch unit motor encoder) (B).
Page 200: Sensor (Punch Unit Motor Encoder) Removal
4024-XXX Sensor (punch unit motor encoder) removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-41. Disconnect the connector from the punch unit motor assembly (A). Disconnect the connector from the sensor (punch unit motor encoder) (B).
Page 201: Sensor (Punch Hole Select), Sensor (Punch Cam Front), And Sensor (Punch Unit Hp) Removal
4024-XXX Sensor (punch hole select), sensor (punch cam front), and sensor (punch unit HP) removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the punch carriage assembly. See “Punch carriage assembly removal”...
Page 202 4024-XXX Replacement note: Make sure the color coded connectors are connected to the proper sensors, as shown. Blue Black White 4-50 Finisher Service Manual...
Page 203: Sensor (Punch Carriage Shift Hp) Removal
4024-XXX Sensor (punch carriage shift HP) removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-41. Remove the one screw securing the bracket (A) to the punch carriage unit (B). Release the hooks securing the sensor (punch carriage shift HP) (C) to the bracket (A).
Page 204: Sensor (Punch Waste Box Set) Removal
4024-XXX Sensor (punch waste box set) removal Open the finisher front door assembly. Pull the punch waste box. Disconnect the connector from the sensor (punch waste box set) (A). Release the hooks securing the sensor (punch waste box set) (A) to the finisher. Connector Remove the sensor (punch waste box set) (A).
Page 205: Sensor (Punch Waste Box Full) Removal
4024-XXX Sensor (punch waste box full) removal Open the finisher front door assembly. Remove the punch waste box (A) from the finisher. Disconnect the connector from the sensor (punch waste box full) (B). Release the hooks securing the sensor (punch waste box full) (B) to the finisher. Connector Remove the sensor (punch waste box full) (B).
Page 206: Stapler Unit Frame Removal
4024-XXX Stapler unit frame removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the staple cartridge. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the rear lower cover. See “Rear lower cover removal”...
Page 207 4024-XXX Disconnect the connector P8308 from the finisher controller card assembly (B). Remove the screw securing the ground wire (C) to the finisher. Release the harness from the clamp. Clamp P8308 Rear Remove the media stacker bin lift motor assembly. See “Stacker media bin assembly removal”...
Page 208: Stapler Unit Assembly Removal
4024-XXX Stapler unit assembly removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the staple cartridge. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the rear lower cover. See “Rear lower cover removal”...
Page 209 4024-XXX Remove the screw securing the stapler cover (E) to the stapler unit assembly (F). Remove the stapler cover (E). Disconnect the two connectors from the stapler unit assembly (F). Disconnect the connector from the sensor (stapler carriage HP) (G). Remove the two screws securing the bracket (H) to the stapler carriage assembly (D).
Page 210: Sensor (Stapler Carriage Hp) Removal
4024-XXX Sensor (stapler carriage HP) removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the staple cartridge. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the rear lower cover. See “Rear lower cover removal”...
Page 211: Media Eject Unit Assembly Removal
4024-XXX Media eject unit assembly removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the upper media bin assembly. See “Upper media bin assembly removal”...
Page 212 4024-XXX Remove the screw securing the eject clamp lever assembly (C) from the shaft (D) on the rear of the finisher. Remove the eject clamp lever assembly (C). Remove the e-clip securing the shaft (D) to the rear of the finisher. Remove the 8 mm bushing (E) on the rear side.
Page 213 4024-XXX Remove the e-clip securing the shaft (F) to the front of the finisher. Remove the 8 mm bushing (E) on the front side. E-clip Front Gently move the left side of the media eject unit assembly (G) out of the finisher followed by the right side. Note: Do not force the media eject unit assembly out of the finisher.
Page 214 4024-XXX Replacement notes • Do not force the media eject unit assembly into the finisher. Insert the right side before the left side. • Make sure the media eject unit assembly properly actuates the switch (eject cover interlock) (H) without binding.
Page 215: Sub Paddle Removal
4024-XXX Sub paddle removal Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-20. Gently remove the two sub paddles (A) from the two shafts (B). Replacement notes: Make sure the sub paddles are properly installed as shown in the figure. The paddles must not come in contact with the media eject unit assembly (C).
Page 216: Sub Paddle Drive Shaft Assembly Removal
4024-XXX Sub paddle drive shaft assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the media eject unit assembly. See “Media eject unit assembly removal” on page 4-59.
Page 217 4024-XXX Loosen the two screws securing the belt tensioner bracket (D) to the rear of the finisher. Release the hook of the sub paddle drive gear 23T (E) from the sub paddle drive shaft assembly (B). Remove the sub paddle drive gear 23T (E). Remove the e-clip and the 6 mm bushing (C).
Page 218: Media Eject Clamp Motor Assembly Removal
4024-XXX Media eject clamp motor assembly removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-20. Remove the two media eject unit springs (A) attached to the media eject unit assembly (B) by pushing them downward.
Page 219: Sensor (Media Eject Clamp Hp) Removal
4024-XXX Sensor (media eject clamp HP) removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-20. Remove the two media eject unit springs attached to the media eject unit assembly by pushing them downward.
Page 220: Switch (Eject Cover Interlock) Removal
4024-XXX Switch (eject cover interlock) removal Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-20. Disconnect the connector from the switch (eject cover interlock) (A). Release the harness from the two clamps. Remove the screw securing the bracket (B) to the finisher. Remove the bracket (B) from the square hole in the finisher.
Page 221: Media Compiler Unit Assembly Removal
4024-XXX Media compiler unit assembly removal Remove the finisher front door assembly. See“Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the rear lower cover. See “Rear lower cover removal” on page 4-23.
Page 222 4024-XXX Disconnect the connector P8309 from the finisher controller card assembly (B). Release the harness from the clamps. Clamp P8309 Rear Remove the screw securing the media compiler unit assembly (C) to the finisher. This screw is found inside the finisher. Inside view 4-70 Finisher Service Manual...
Page 223 4024-XXX Release the media compiler assembly (C) by pushing the front lock and the rear lock inward to release the front boss and the rear boss from the finisher. Right Rear view Front view Lock Lock Remove the harness from any additional parts. Remove the media compiler unit assembly through the inside of the finisher and out the front.
Page 224: Sensor (Front Tamper Hp) And Sensor (Rear Tamper Hp) Removals
4024-XXX Sensor (front tamper HP) and sensor (rear tamper HP) removals Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the rear lower cover. See “Rear lower cover removal”...
Page 225: Sensor (Compiler Media In) Removal
4024-XXX Sensor (compiler media in) removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the rear lower cover. See “Rear lower cover removal”...
Page 226: Media Eject Shaft Assembly Removal
4024-XXX Media eject shaft assembly removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Move the slip clutch gear 24T (A) toward the rear as shown to disengage the stacker bin (B). Move the stacker bin down as shown to its lowest position after being disengaged.
Page 227 4024-XXX Move the media eject shaft assembly toward the rear and outward as shown. E-clips E-clip Front Rear Remove the media eject shaft assembly (E). Rear 4-75 Repair information...
Page 228: Clamp Paddle Removal
4024-XXX Clamp paddle removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the media eject shaft assembly. See “Media eject shaft assembly removal” on page 4-74.
Page 229: Media Eject Clutch Removal
4024-XXX Media eject clutch removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Disconnect the connector from the sensor (media eject shaft HP) (A). Release the harness from the clamp. Disconnect the connector from the media eject clutch (B). Release the harness from the clamp.
Page 230: Media Eject Motor Assembly Removal
4024-XXX Media eject motor assembly removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the media eject clutch. See “Media eject clutch removal” on page 4-77. Disconnect the connector from the media eject motor assembly (A). Disconnect the connector from the sensor (media bin level 2) (B).
Page 231: Sensor (Media Eject Shaft Hp) Removal
4024-XXX Sensor (media eject shaft HP) removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Disconnect the connector from the sensor (media eject shaft HP) (A). Rotate the media eject clutch actuator (B) by hand so it clears the sensor (media eject shaft HP) (A). Release the hooks securing the sensor (media eject shaft HP) (A) to the bracket (C).
Page 232: Sensor (Lower Media Exit) Removal
4024-XXX Sensor (lower media exit) removal Open the finisher front door assembly. Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-20. Disconnect the connector from the sensor (lower media exit) (A). Remove the harness from the clamps. Remove the two screws securing the bracket (B) to the finisher.
Page 233 4024-XXX Note: The upper media bin vertical cover (C) has slots that make access to the screws easier, as shown. Remove the bracket (B). Release the hooks securing the sensor (lower media exit) (A) to the bracket. Remove the sensor (lower media exit) (A). 4-81 Repair information...
Page 234: Lower Media Exit Roll Assembly Removal
4024-XXX Lower media exit roll assembly removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the upper media bin assembly. See “Upper media bin assembly removal”...
Page 235 4024-XXX Front view Rear view Release the hook of the lower exit roll drive pulley 20T (C) from the lower media exit roll assembly (F). Remove the lower exit roll drive pulley 20T (C). 4-83 Repair information...
Page 236 4024-XXX Remove the 6 mm ball bearing (G). Remove the e-clip on the front of the finisher with a prying tool securing the lower media exit roll assembly (F) to the finisher. 4-84 Finisher Service Manual...
Page 237 4024-XXX Remove the 6 mm bushing (H). E-clip Front Move the lower media exit roll assembly (F) towards the rear and outward, as shown. Rear Remove the lower media exit roll assembly (F). 4-85 Repair information...
Page 238: Paddle And Roll Exit Assembly Removal
4024-XXX Paddle and roll exit assembly removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the rear lower cover. See “Rear lower cover removal”...
Page 239 4024-XXX Loosen the two screws securing the belt tensioner bracket (D) to the finisher and move it downward, as shown. Remove the belt (paddle/entrance) (E) from the main paddle drive pulley/gear 44/20T (F). Release the hook from the main paddle shaft drive pulley 17T (G) inside the finisher. Remove the main paddle shaft drive pulley 17T (G).
Page 240 4024-XXX Remove the main paddle shaft assembly. Rear 4-88 Finisher Service Manual...
Page 241 4024-XXX Replacement notes: • The tension of the belt (exit) (A) and the belt (paddle/entrance) (E) is automatically adjusted by the force of the spring attached to the belt tensioner bracket (A an D). • Tighten the two screws in the order shown. Tighten first Right Tighten second...
Page 242: Lower Pinch Guide Assembly Removal
4024-XXX Lower pinch guide assembly removal Open the finisher front door assembly. Open the lower pinch guide assembly (A) by lifting it upward. Remove the screw securing the lower pinch guide assembly (A) to the finisher. Move the lower pinch guide assembly (A) upward and outward. Front Remove the lower pinch guide assembly (A).
Page 243: Media Diverter Gate Removal
4024-XXX Media diverter gate removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Open the lower pinch guide assembly (A) to the right. Open the upper pinch guide assembly (B) to the right. Remove the media diverter gate solenoid.
Page 244: Buffer Diverter Gate Removal
4024-XXX Buffer diverter gate removal Open the finisher front door assembly. Move the lower pinch guide assembly (A) to the right. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the buffer diverter gate solenoid. See “Media diverter gate solenoid removal”...
Page 245: Sensor (Buffer Path) Removal
4024-XXX Sensor (buffer path) removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the top cover. See “Top cover removal” on page 4-19. Remove the left lower cover. See “Left lower cover removal”...
Page 246: Buffer Roll Assembly Removal
4024-XXX Buffer roll assembly removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Open the finisher front door assembly. Remove the stapler unit cartridge. Move the stapler unit assembly by hand as far to the rear as it will go. Lower the buffer pinch guide assembly (A).
Page 247 4024-XXX Loosen the two screws securing the belt tensioner bracket (E) to the finisher and move it downward, as shown. Remove the belt (buffer/transport) (F) from the buffer roll drive gear 46T (G). E-clip Second First Use a prying tool to remove the e-clip securing the buffer roll drive gear 23/53T (G). Remove the buffer roll drive gear 53/23T (G).
Page 248: Buffer Pinch Guide Assembly Removal
4024-XXX Buffer pinch guide assembly removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the stapler unit frame. See “Stapler unit frame removal”...
Page 249: Media Entrance Pinch Guide Assembly Removal
4024-XXX Media entrance pinch guide assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the left lower cover. See “Left lower cover removal” on page 4-28. Remove the left upper cover. See “Left upper cover removal”...
Page 250: Sensor (Finisher Media Entrance) Removal
4024-XXX Sensor (finisher media entrance) removal Open the front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the top cover. See “Top cover removal” on page 4-19. Remove the left lower cover. See “Left lower cover removal”...
Page 251: Media Entrance Roll Assembly Removal
4024-XXX Media entrance roll assembly removal Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-27. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the left upper cover. See “Left upper cover removal”...
Page 252: Drive Motor (Entrance/Paddle) And Belt (Entrance/Paddle) Removal
4024-XXX Move the media entrance roll assembly (H) toward the rear, downward, and then forward. Remove the media entrance roll assembly (H) through the inside of the finisher. Note: When removing the media entrance roll assembly (H), do not touch the rubber surface. Replacement notes: •...
Page 253 4024-XXX Remove the two screws securing the bracket (D) to the finisher. Connector Remove the bracket (D). Remove the two screws securing the bracket (D) to the drive motor (entrance/paddle) (C). Remove the drive motor (entrance/paddle) (C). Remove the belt (entrance/paddle) (B). Replacement notes: •...
Page 254: Media Diverter Gate Solenoid Removal
4024-XXX Media diverter gate solenoid removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Disconnect the connector from the media diverter gate solenoid (A). Release the harness from the clamp. Remove the two screws securing the bracket (B) to the finisher.
Page 255: Buffer Diverter Gate Solenoid Removal
4024-XXX Buffer diverter gate solenoid removal Open the finisher front door assembly. Remove the rear upper cover. See “Upper media bin front cover removal” on page 4-25. Disconnect the connector from the buffer diverter gate solenoid (A). Release the harness from the clamp. Remove the two screws securing the buffer diverter gate solenoid to the finisher.
Page 256: Sensor (Upper Media Exit) Removal
4024-XXX Sensor (upper media exit) removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the top cover. See “Top cover removal” on page 4-19. Disconnect the connector from the sensor (upper media exit) (A). Connector Rear Left...
Page 257: Upper Media Exit Pinch Roll Assembly Removal
4024-XXX Upper media exit pinch roll assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the top cover. See “Top cover removal” on page 4-19. Remove the four screws securing the four upper media exit pinch roll assemblies (A) to the finisher. Left Rear Remove the four upper media exit pinch roll assembly (A).
Page 258: Upper Media Exit Roll Assembly Removal
4024-XXX Upper media exit roll assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the top cover. See “Top cover removal” on page 4-19. Remove the drive motor (exit). See “Drive motor (exit) assembly and belt (exit) removal”...
Page 259 4024-XXX Remove the bracket (C). Release the hook from the upper media exit roll drive gear 20T(D). Remove the upper media exit roll drive gear 20T. Remove the 6 mm bushing. Remove the e-clip with a prying tool securing the upper media exit roll assembly (F) to the front of the finisher.
Page 260: Sensor (Upper Media Bin Full) Removal
4024-XXX Sensor (upper media bin full) removal Open the finisher front door assembly. Remove the screw securing the bracket (A) to the upper media bin vertical cover (B). Move the bracket frontward and downward to gain access to the harness and connector. Release the harness from the clamp.
Page 261: Upper Pinch Guide Assembly Removal
4024-XXX Upper pinch guide assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the drive motor (buffer/transport). See “Drive motor (buffer/transport) and belt (buffer/ transport) removal” on page 4-115.
Page 262: Sensor (Diverter Gate) Removal
4024-XXX Sensor (diverter gate) removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the top cover. See “Top cover removal” on page 4-19. Remove the left lower cover. See “Left lower cover removal”...
Page 263: Upper Media Transport Roll Assembly Removal
4024-XXX Upper media transport roll assembly removal Open the finisher front door assembly. Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the top cover. See “Top cover removal” on page 4-19. Remove the left lower cover. See “Left lower cover removal”...
Page 264 4024-XXX Remove the two screws securing the bracket (D). Note: It is not necessary to remove the bracket from the finisher; it should only be slightly moved to provide better access to the two upper media transport roll drive pulley 20T(E). Loosen the two screws securing the belt tensioner bracket (F) to the finisher, and move it downward as shown.
Page 265: Drive Motor (Exit) Assembly And Belt (Exit) Removal
4024-XXX Drive motor (exit) assembly and belt (exit) removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Loosen the two screws securing the belt tensioner bracket (A) to the finisher, and move it down as shown. Remove the belt (exit) (B) from the drive motor (exit) assembly (C).
Page 266 4024-XXX Remove the two screws securing the bracket (D) to the finisher. Remove the bracket (D). Remove the two screws securing the drive motor (exit) assembly to the bracket (D). Connector Remove the drive motor (exit) assembly (C). Replacement notes Note: The tension of the belt (exit) (B) is automatically adjusted by the force of the spring attached to the belt tensioner bracket (A).
Page 267: Drive Motor (Buffer/Transport) And Belt (Buffer/Transport) Removal
4024-XXX Drive motor (buffer/transport) and belt (buffer/transport) removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the two screws securing the bracket (A) on the rear of the finisher. Move the bracket slightly. Note: It is not necessary to remove the bracket from the finisher. It should only be slightly moved to provide better access to the drive motor (buffer/transport) (B) for removal.
Page 268 4024-XXX Disconnect the connector from the drive motor (buffer/transport). Remove the two screws securing the bracket (E) to the finisher. Remove the bracket. Remove the two screws securing the drive motor (buffer/transport) to the bracket. Remove the drive motor (buffer/transport). Remove the belt (buffer/transport) (D).
Page 269: Bridge Unit Interface Card Assembly Removal
4024-XXX Bridge unit interface card assembly removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Disconnect all the connectors from the bridge unit interface card assembly (A). Remove the two screws securing the bridge unit interface card assembly (A) to the finisher. Connector Connectors Rear...
Page 270: Finisher Controller Card Assembly Removal
4024-XXX Finisher controller card assembly removal Remove the rear upper cover. See “Rear upper cover removal” on page 4-24. Remove the rear lower cover. See “Rear lower cover removal” on page 4-23. Loosen the four screws securing the plate (A) to the finisher. Move the plate (A) to the right and outward.
Page 271: Finisher Low Voltage Power Supply (Lvps) Removal
4024-XXX Finisher low voltage power supply (LVPS) removal Remove the right lower cover. See “Rear lower cover removal” on page 4-23. Disconnect all the connectors from the finisher LVPS (A). Remove the two screws securing the finisher LVPS (A) to the finisher. Rear Remove the finisher LVPS (A).
Page 272 4024-XXX 4-120 Finisher Service Manual...
Page 273: Component Locations
4024-XXX 5. Component locations Locations Bridge unit assembly Bridge unit drive motor Sensor (bridge unit media entrance) Sensor (bridge unit media exit) Sensor (bridge unit top cover interlock) Component locations...
Page 274: Stacker Lift And Stapler
4024-XXX Stacker lift and stapler Sensor (stacker bin upper limit) Sensor (stacker bin level 2) Sensor (stacker bin no media) Sensor (stacker bin level 1) Switch (finisher front door interlock) Stapler carriage motor assembly Sensor (stapler carriage HP) Bottom view Finisher Service Manual...
Page 275: Punch Unit
4024-XXX Punch unit Punch carriage shift motor asm Sensor (punch carriage shift HP) Sensor (punch unit HP) Sensor (punch hole select) Sensor (punch unit side reg 2) Sensor (punch Sensor (punch unit side reg 1) cam front) Punch unit motor asm Sensor (punch waste box set) Sensor (punch...
Page 276: Diverter And Media Eject
4024-XXX Diverter and media eject Sensor (media eject clamp HP) Media eject clamp motor Buffer diverter solenoid Media diverter solenoid Switch (eject cover interlock) Sensor (lower media exit) Finisher Service Manual...
Page 277: Media Eject And Media Compiler
4024-XXX Media eject and media compiler Media eject motor asm Sensor ( front tamper HP) Front tamper motor Sensor (compiler media in) Sensor (media Sensor (rear eject shaft HP) Rear tamper motor tamper HP) Component locations...
Page 278: Buffer, Upper Exit, Lower Exit, And Drive Motors
4024-XXX Buffer, upper exit, lower exit, and drive motors Sensor (upper media exit) Sensor (upper media bin full) Drive motor (exit) Drive motor (buffer/transport) Sensor (diverter gate) Sensor (finisher media entrance) Sensor (buffer path) Drive motor (entrance/paddle) Finisher controller card assembly Finisher controller Bridge unit interface card assembly...
Page 279: Cabling
4024-XXX Cabling Finisher media entrance sensor cable assembly Upper media exit sensor cable assembly Upper media bin full cable assembly Lower media exit sensor cable sssembly Compiler unit cable assembly Buffer path sensor cable assembly Main sensor cable assembly LVPS cable assembly AC power cord assembly...
Page 280 4024-XXX Diverter gate sens upper cable assem Punch main drive cable assembly Diverter gate sens lower cable assem Punch waste box set cable assembly Interlock switch cable assembly Finisher Service Manual...
Page 281 4024-XXX Main drive cable assembly Punch waste box full cable assembly Bridge unit connect cable assembly Stapler unit cable assembly Bridge unit interface card cable assembly Finisher interface cable assembly Component locations...
Page 282 4024-XXX 5-10 Finisher Service Manual...
Page 283: Preventive Maintenance
Damaged, missing, or altered parts, especially in the area of the on/off switch and the power supply • Damaged, missing, or altered covers, especially in the area of the top cover and the power supply cover • Possible safety exposure from any non-Lexmark attachments Maintenance recommendations Every service call Every 300,000 pages...
Page 284 4024-XXX Finisher Service Manual...
Page 285: Parts Catalog
4024-XXX 7. Parts catalog How to use this parts catalog This parts catalog lists information for the finisher only. Refer to the Printer Service Manual for the base unit information. The following legend is used in the parts catalog: Asm- Part Units/ Units/...
Page 286: Assembly 1: Bridge Unit
4024-XXX Assembly 1: Bridge unit Asm- Part Units/ Units/ Description Index number option 1—1 40X0811 Bridge unit assembly 40X0810 Bridge unit assembly docking screw (2 each) Finisher Service Manual...
Page 287: Assembly 2: Bridge Unit Top Cover Assembly
4024-XXX Assembly 2: Bridge unit top cover assembly Asm- Part Units/ Units/ Description Index number option 2—1 40X0813 Bridge unit top cover assembly 40X0812 Bridge unit pinch roll kit includes: • Bridge unit pinch roll (6 each) • Spring (6 each) Parts catalog...
Page 288: Assembly 3: Bridge Unit Lower Assembly
4024-XXX Assembly 3: Bridge unit lower assembly Finisher Service Manual...
Page 289 4024-XXX Assembly 3: Bridge unit lower assembly Asm- Part Units/ Units/ Description Index number option 3—1 40X0814 Bridge unit rear cover 40X0822 Bridge unit right shaft kit includes: • Bushing 6 mm front • Bridge unit right shaft assembly • Bushing 6 mm rear 40X0820 Transport belts (2 each) 40X0821...
Page 290: Assembly 4: Covers
4024-XXX Assembly 4: Covers Finisher Service Manual...
Page 291 4024-XXX Assembly 4: Covers Asm- Part Units/ Units/ Description Index number option 4—1 40X0829 Top cover 40X0831 Upper media bin assembly 40X0830 Upper media bin vertical cover 40X0832 Right eject cover 40X0833 Stacker media bin 40X0834 Right lower LVPS cover 40X0835 Caster 40X0836...
Page 292: Assembly 5: Covers And Front Door
4024-XXX Assembly 5: Covers and front door Finisher Service Manual...
Page 293 4024-XXX Assembly 5: Covers and front door Asm- Part Units/ Units/ Description Index number option 5—1 40X0839 Upper media bin front cover 40X0841 Finisher front door assembly (this comes assembled) 40X0840 Switch (finisher front door interlock) 40X0842 Finisher docking latch kit includes: •...
Page 294: Assembly 6: Stacker Bin Lift
4024-XXX Assembly 6: Stacker bin lift 7-10 Finisher Service Manual...
Page 295 4024-XXX Assembly 6: Stacker bin lift Asm- Part Units/ Units/ Description Index number option 6—1 40X0846 Carriage lift belt kit includes: • Carriage lift belt • Belt clamp (2 each) • Spring • Roll (2 each) 40X0847 Sensor (stacker bin level) 40X0849 Stacker slip clutch pulley kit includes: •...
Page 296: Assembly 7: Punch
4024-XXX Assembly 7: Punch 7-12 Finisher Service Manual...
Page 297 4024-XXX Assembly 7: Punch Asm- Part Units/ Units/ Description Index number option 7—1 40X0854 Punch carriage shift motor assembly 40X0855 Punch carriage assembly 40X0856 Sensor (punch unit side reg) assembly • Sensor (punch unit side reg1) • Sensor (punch unit side reg2) •...
Page 298: Assembly 8: Stapler
4024-XXX Assembly 8: Stapler 7-14 Finisher Service Manual...
Page 299 4024-XXX Assembly 8: Stapler Asm- Part Units/ Units/ Description Index number option 8—1 40X0870 Stapler unit cable assembly 40X0869 Stapler carriage kit includes: • Stapler carriage wire guide • Stapler carriage assembly 40X0871 Stapler carriage motor assembly 40X0872 Stapler carriage rack gear 40X0868 Stapler unit cover 40X0850...
Page 300: Assembly 9: Media Eject
4024-XXX Assembly 9: Media eject 7-16 Finisher Service Manual...
Page 301 4024-XXX Assembly 9: Media eject Asm- Part Units/ Units/ Description Index number option 9—1 40X0873 Media eject unit assembly (this comes assembled) 40X0874 Sub paddle 40X0875 Sub paddle drive shaft kit includes: • Sub paddle drive shaft assembly • Knob 40X0882 Switch (eject cover interlock) 40X1388...
Page 302: Assembly 10: Eject And Compiler Unit
4024-XXX Assembly 10: Eject and compiler unit 7-18 Finisher Service Manual...
Page 303 4024-XXX Assembly 10: Eject and compiler unit Asm- Part Units/ Units/ Description Index number option 10—1 40X0883 Media compiler unit assembly (this comes assembled) 40X0850 Sensor (rear tamper HP) 40X0850 Sensor (front tamper HP) 40X0825 Sensor (compiler media in) 40X0886 Media eject shaft assembly 40X0887 Clamp paddle...
Page 304: Assembly 11: Lower Exit Drive
4024-XXX Assembly 11: Lower exit drive 7-20 Finisher Service Manual...
Page 305 4024-XXX Assembly 11: Lower drive Asm- Part Units/ Units/ Description Index number option 11—1 40X0892 Sensor (lower media exit) with bracket 40X0893 Sensor (lower media exit) 40X0894 Static eliminator brush 40X0895 Lower media exit roll assembly 40X0896 Main paddle shaft kit includes: (this comes assembled) •...
Page 306: Assembly 12: Buffer And Entrance Drive
4024-XXX Assembly 12: Buffer and entrance drive 7-22 Finisher Service Manual...
Page 307 4024-XXX Assembly 12: Buffer and entrance drive Asm- Part Units/ Units/ Description Index number option 12—1 40X0901 Lower pinch guide assembly (this comes assembled) 40X0902 Media diverter gate 40X0903 Buffer diverter gate 40X0824 Magnetic catch 40X0888 Bushing 6 mm 40X0904 Buffer upper guide assembly 40X0893 Sensor (buffer path)
Page 308: Assembly 13: Buffer, Transport, And Upper Drive
4024-XXX Assembly 13: Buffer, transport, and upper drive 7-24 Finisher Service Manual...
Page 309 4024-XXX Assembly 13: Transport and upper drive Asm- Part Units/ Units/ Description Index number option 13—1 40X0918 Upper media exit pinch roll assembly 40X0893 Sensor (upper media exit) 40X0919 Upper media exit roll assembly 40X0908 Sensor (upper media bin full) 40X0824 Magnetic catch 40X0888...
Page 310: Assembly 14: Electronics
4024-XXX Assembly 14: Electronics 7-26 Finisher Service Manual...
Page 311 4024-XXX Assembly 14: Electronics Asm- Part Units/ Units/ Description Index number option 14—1 40X0931 Bridge unit interface card assembly 40X0932 Bridge unit connect cable assembly 40X0933 Bridge unit interface card cable assembly 40X0934 Finisher controller card assembly 40X0935 AC power cord assembly 40X0936 Finisher LVPS card assembly 7-27...
Page 312: Assembly 15: Cables 1
4024-XXX Assembly 15: Cables 1 7-28 Finisher Service Manual...
Page 313: Index
4024-XXX Assembly 15: Cables 1 Asm- Part Units/ Units/ Description Index number option 15—1 40X0942 Upper media exit sensor cable assembly 40X0940 Finisher media entrance sensor cable assembly 40X0941 Buffer path sensor cable assembly 40X0937 Main sensor cable assembly 40X0946 Finisher LVPS cable assembly 40X0892 Sensor (lower media exit) assembly...
Page 314 4024-XXX Assembly 16: Cables 2 Asm- Part Units/ Units/ Description Index number option 16—1 40X0922 Diverter gate sensor upper cable assembly 40X0944 Punch main drive cable assembly 40X0950 Diverter gate sensor lower cable assembly 40X0865 Punch waste box set cable assembly 40X0947 Interlock switch cable assembly 40X0945...
Page 315 4024-XXX Assembly 17: Cables 3 Asm- Part Units/ Units/ Description Index number option 17—1 40X0938 Main drive cable assembly 40X0930 Punch waste box full cable assembly 40X0932 Bridge unit connect cable assembly 40X0931 Bridge unit interface card assembly 40X0939 Finisher interface cable assembly 40X0870 Stapler unit cable assembly 7-31...
Page 316 4024-XXX 7-32 Finisher Service Manual...
Page 317 4024-XXX Index 4-21 right eject cover 4-22 right lower LVPS cover acronyms 4-19 top cover 4-25 upper media bin front cover belts 4-115 buffer/transport diagnostics 4-100 entrance/paddle exit 4-113 exit diagnostics mode bridge unit accessing 4-117 bridge unit interface card assembly available tests drive belt drive motors...
Page 318 4024-XXX 2-51 287.05 sensor (upper media exit) static jam A Feed Tests 2-52 287.06 sensor (upper media exit) static jam B Hole Punch Test 2-53 287.07sensor (upper media exit) static jam C Sensor Test 2-54 288.00 sensor (diverter gate) on jam Bin Level 288.01 sensor (diverter gate) static jam (to top bin) A Fin upper bin full...
Page 319 4024-XXX punch unit bridge unit drive belt 4-13 stacker lift and staple bridge unit drive motor assembly low voltage power supply (LVPS) bridge unit drive pulley 4-119 4-14 removal bridge unit entrance guide 4-11 lower exit drive bridge unit idler rolls 7-20 4-117 parts catalog...
Page 320 4024-XXX 4-67 sensor (media eject clamp HP) punch waste box set) 4-79 4-72 sensor (media eject shaft HP) rear tamper HP 4-49 4-34 sensor (punch cam front) stacker bin level 1 4-51 4-34 sensor (punch carriage shift HP) stacker bin level 2 4-49 4-35 sensor (punch hole select)
Page 321 4024-XXX Stacker bin no media Stacker bin upper limit Staple Test Stapler carriage shift hp Surface H fin eject Upper media exit theory 3-15 compiler unit assembly 3-10 functions of sensor along the media path media transport 3-30 power supply and interlock 3-12 punch unit 3-26...
Page 322 4024-XXX Finisher Service Manual...
Page 323: Part Number Index
4024-XXX Part number index Description Page 40X0810 Bridge unit assembly docking screw - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 40X0811 Bridge unit assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 40X0812...
Page 324 4024-XXX 40X0853 Punch unit cable assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-13 40X0854 Punch carriage shift motor assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
Page 325 4024-XXX 40X0911 Belt, entrance/paddle, 31.6 cm - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-23 40X0912 Belt tensioner bracket kit - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
Page 326 4024-XXX I-10 Finisher Service Manual...
Page 327 4024 Finisher Service Manual Stacker Bin Level SNR1 Clock SIG GND Sensor Stacker Bin Level SNR2 Clock Stacker Bin Level SNR1(L)+5VDC Buffer Diverter (Stacker Bin Level 1) +5VDC +5VDC Solenoid Stacker Bin Level SNR2(L)+5VDC Stacker Bin Level SNR1 Clock Buffer div solenoid(pull)(L)+24VDC SIG GND Stacker Bin Level...

Lexmark w850 Service Manual

Notices and Safety Information

Preface

General Information

Diagnostic Information

Diagnostic Aids

Repair Information

Component Locations

Preventive Maintenance

Parts Catalog

Index

Part Number Index

Quick Links

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Summary of Contents for Lexmark w850