Lexmark X651de Service Manual

Lexmark X651de Service Manual

Hide thumbs Also See for X651de:
Table of Contents

Advertisement

Lexmark
X656dte, X658d, X658de, X658dme, X658dfe,
X658dte, X658dtme, X658dtfe
• Table of contents
• Start diagnostics
• Safety and notices
• Trademarks
• Index
Edition: March 16, 2009
X651de, X652de, X654de, X656de,
Machine Type 7462
Lexmark and Lexmark with diamond design are
trademarks of Lexmark International, Inc., registered
in the United States and/or other countries.

Advertisement

Table of Contents
loading

Summary of Contents for Lexmark X651de

  • Page 1 X658dte, X658dtme, X658dtfe Machine Type 7462 • 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 6000-XXX...
  • Page 3 Lexmark, Lexmark with diamond design, and MarkNet are trademarks of Lexmark International, Inc., registered in the United States and/or other countries. Optra Forms is a trademark of Lexmark International, Inc.
  • Page 4: Table Of Contents

    7462 Table of contents Table of contents............iv Notices and safety information .
  • Page 5 7462 Media missing jam service check ..........2-131 Sensor (ADF media exit) static jam service check .
  • Page 6 7462 Diagnostic aids ............... . . Understanding the printer control panel .
  • Page 7 7462 Menu Settings Page ............3-25 EVENT LOG .
  • Page 8 7462 Pick arm assembly ............3-47 Switch (media size) .
  • Page 9 7462 Document scanning at platen ........... . . 3-68 Names and functions of components .
  • Page 10 7462 200 and 203 paper jams ............3-83 202 paper jam .
  • Page 11 7462 Duplex guide assembly, rear removal (X654, X656, and X658) ......4-37 Cover assembly, rear lower (X654, X656, and X658) ........4-39 Redrive motor assembly removal (X654, X656, and X658) .
  • Page 12 7462 Scanner unit assembly removal (models X651, X652, X654 and X656) ....4-90 Scanner unit assembly removal (model X658) ........4-92 MPF tray door assembly removal (models X651, X652, X654, and X656) .
  • Page 13 7462 High capacity input tray (HCIT) cover, left removal ........4-156 High capacity input tray (HCIT) anti-tip latch assembly removal .
  • Page 14 7462 4-bin mailbox assembly left cover removal .........4-213 4-bin mailbox assembly controller card assembly removal .
  • Page 15 7462 Assembly 4: Media path, pick arm and ducts ..........7-8 Assembly 5: Drive motor assemblies .
  • Page 16 7462 Service Manual...
  • Page 17: Notices And Safety Information

    7462 Notices and safety information The following laser notice labels may be affixed to this printer. 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 18 7462 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 19 7462 Laserilmoitus Tämä tulostin on sertifioitu Yhdysvalloissa DHHS 21 CFR Subchapter J -standardin mukaiseksi luokan I (1) - lasertuotteeksi ja muualla IEC 60825-1 -standardin mukaiseksi luokan I lasertuotteeksi. Luokan I lasertuotteita ei pidetä haitallisina. Tulostimen sisällä on luokan IIIb (3b) laser, joka on nimellisteholtaan 5 mW:n galliumarsenidilaser ja toimii 770 - 795 nanometrin aallonpituuksilla.
  • Page 20 7462 Avís sobre el Làser Segons ha estat certificat als Estats Units, aquesta impressora compleix els requisits de DHHS 21 CFR, apartat J, pels productes làser de classe I (1), i segons ha estat certificat en altres llocs, és un producte làser de classe I que compleix els requisits d’IEC 60825-1.
  • Page 21 7462 Notices and safety information...
  • Page 22 7462 xxii Service Manual...
  • Page 23: Lithium Warning

    7462 Lithium warning CAUTION This product contains a lithium battery. THERE IS A RISK OF EXPLOSION IF THE BATTERY IS REPLACED BY AN INCORRECT TYPE. Discard used batteries according to the battery manufacturer’s instructions and local regulations. Safety information • The safety of this product is based on testing and approvals of the original design and specific components.
  • Page 24 7462 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 25 7462 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 26: Preface

    7462 Preface This manual contains maintenance procedures for service personnel. It is divided into the following chapters: General information contains a general description of the printer and the maintenance approach used to repair it. Special tools and test equipment, as well as general environmental and safety instructions, are discussed.
  • Page 27: General Information

    7462 1. General information The Lexmark™ X651, X652, X654, X656 and X658 are All-In-One laser MFPs that provide print, copy, scan, and fax functions designed to attach to most computer networks. The operator panel is touch-sensitive and allows the user to adjust the viewing angle. All information in this service manual pertains to all models unless explicitly noted.
  • Page 28: Printer Overview

    Floor-mounted configurations require additional furniture for stability. You must use either a printer stand or printer base if you are using a 2000-sheet drawer. Certain other configurations also must have a printer stand or printer base. More information is available on our Lexmark Web site at www.lexmark.com/multifunctionprinters.
  • Page 29: Options

    Bar Code and Forms — IPDS and SCS/TNe — PrintCryption — PRESCRIBE • Printer hard disk • Lexmark Internal Solutions Ports (ISP) — RS-232-C Serial ISP — Parallel 1284-B ISP — MarkNet N8150802.11 b/g/n Wireless ISP — MarkNet N8130 10/100 Fiber ISP —...
  • Page 30: Supported Paper Sizes, Types, And Weights

    7462 Supported paper sizes, types, and weights The following tables provide information on standard and optional paper sources and the types of paper they support. Note: For an unlisted paper size, select the closest larger listed size. Paper sizes supported by the printer 250-or 550-sheet Optional Multipurpose...
  • Page 31: Paper Types And Weights Supported By The Printer

    7462 250-or 550-sheet Optional Multipurpose Paper size Dimensions trays (standard 2000-sheet Duplex unit feeder or optional tray Other Envelope 98 x 162 mm (3.9 x 6.4 in.) to 176 x 250 mm (6.9 x 9.8 in.) This size appears in the Paper Size menu only when the paper source does not support size sensing or when size sensing is turned off.
  • Page 32 7462 The finisher supports 60-176 g/m2 (16-47 lb) paper weights. Optional hardware Output Expander (550 Standard exit bin StapleSmart II Paper type sheets) or High 5-Bin Mailbox (350 or 550 sheets) Finisher Capacity (500 sheets) (500 sheets) Output stacker (1850 sheets) Paper •...
  • Page 33: Printer Configurations

    Floor-mounted configurations require additional furniture for stability. You must use either a printer stand or printer base if you are using a 2000-sheet drawer. Certain other configurations also must have a printer stand or printer base. More information is available on our Lexmark Web site at www.lexmark.com/multifunctionprinters.
  • Page 34: Tools Required For Service

    7462 Tools required for service Flat-blade screwdrivers, various sizes Phillips screwdrivers, various sizes 7/32 inch open-end wrench 7.0 mm nut driver 5.5 mm wrench Needlenose pliers Diagonal side cutters Spring hook Analog or digital multimeter Flash light (optional) Service Manual...
  • Page 35: Acronyms

    HVPS High Voltage Power Supply Internal Tray Card LASER Light Amplification by Stimulated Emission of Radiation Liquid Crystal Display Light-Emitting Diode Lexmark Embedded Solution (applications) LVPS Low Voltage Power Supply Motor Driver Control Multifunction Printer Multipurpose Feeder NVRAM Nonvolatile Random Access Memory...
  • Page 36 7462 1-10 Service Manual...
  • Page 37: Diagnostic Information

    7462 2. Diagnostic information Start CAUTION: Unplug the power cord from the electrical outlet before you connect or disconnect any cable electronic board or assembly. CAUTION: If the printer is kept on, never touch the conductive parts if not specifically required. The power switch and inlet of the low voltage power supply card (LVPS card) assembly is live even while the power supply is cut off.
  • Page 38: Confirm The Installation Status

    The following is an example of the events that occur during the POR sequence: Turn the machine on. The Lexmark splash screen appears with a progress bar in the center until the code is loaded. The fuser cooling fan turns on.
  • Page 39: User Attendance Messages

    7462 User attendance messages Error code or Error contents Description/Action Possible repair actions message System System Timeout The system detects a firmware Turn the power off; wait a few Timeout component that is no longer seconds, and then turn the responding.
  • Page 40 7462 Error code or Error contents Description/Action Possible repair actions message Res Save Off This IR is displayed when the This message displays when Deficient Memory printer lacks sufficient memory the printer lacks sufficient to enable Resource Save. This memory to enable Resource message usually indicates the Save.
  • Page 41 7462 Error code or Error contents Description/Action Possible repair actions message Insufficient Memory This message displays when The following actions may be the printer memory used to taken: restore the Print and Hold jobs from the disk and found that •...
  • Page 42 7462 Error code or Error contents Description/Action Possible repair actions message 42.XY Cartridge Region This IR is displayed when the Install a new toner cartridge Mismatch printer detects that the installed that matches the correct cartridge has a region that regional specification.
  • Page 43 7462 Error code or Error contents Description/Action Possible repair actions message Std Network Software This error displays when a The following actions may be Error network port is detected, but taken: the printer cannot establish • Press to clear the communications with it.
  • Page 44 7462 Error code or Error contents Description/Action Possible repair actions message USB Port [x] Disabled Displayed when status is The following actions may be requested over the USB port, taken: but the port has been disabled. • Press to clear the Once the error has been displayed for the first time, message.
  • Page 45 7462 Error code or Error contents Description/Action Possible repair actions message Incompatible An incompatible envelope 1. Turn off and unplug the Envelope Feeder feeder is installed. printer. 2. Remove the incompatible Remove the incompatible envelope feeder. feeder and press to clear 3.
  • Page 46 7462 Error code or Error contents Description/Action Possible repair actions message Routine Maintenance The operator panel displays Scheduled maintenance Needed this message at each 300K required. page count interval. It is Refer to chapter 6. necessary to replace the fuser Go to “Preventive assembly, transfer roller,...
  • Page 47: Error Code Table

    7462 Error code table Error code or Error contents Description/Action Possible repair actions message 200.00 Sensor (input) area The media is jammed in the 1. Fan the media and check for sensor (input) area. obstructions. 2. Go to sensor (input) service check.
  • Page 48 7462 Error code or Error contents Description/Action Possible repair actions message 200.09 Printhead laser start The printhead laser start 1. Check all connections on failure process failed because it did the printhead. not receive proper feedback 2. Check all connections on signal from the printhead the main drive motor motor.
  • Page 49 7462 Error code or Error contents Description/Action Possible repair actions message 200.14 Sensor (input) early The media reached the sensor Go to sensor (input) early jam (input) sooner than the service check. specified time. “Sensor (input) early jam service check” on page 2-141.
  • Page 50 7462 Error code or Error contents Description/Action Possible repair actions message 200.28 Sensor (input) The media reached the sensor Go to sensor (input) lingering lingering jam (input) but did not clear it within jam service check. the specified time. Source = Tray 2 “Sensor (input) lingering Tray level = Low jam service check.”...
  • Page 51 7462 Error code or Error contents Description/Action Possible repair actions message 200.47 Sensor (input) The media reached the sensor Go to sensor (input) lingering lingering jam (input) but did not clear it within jam service check. the specified time. Source = Tray 4 “Sensor (input) lingering Tray level = Not Low jam service check.”...
  • Page 52 7462 Error code or Error contents Description/Action Possible repair actions message 201.02 Sensor (fuser output) The media is late reaching the Go to sensor (fuser output) late late jam. sensor (fuser output) within the jam service check. specified time. Type 1 fuser “Sensor (fuser output) late jam service check.”...
  • Page 53 7462 Error code or Error contents Description/Action Possible repair actions message 201.30 Operator panel door The printer detected that the 1. Remove all media present assembly interlock operator panel door interlock in media path. switch failure switch did not cycle prior to 2.
  • Page 54 7462 Error code or Error contents Description/Action Possible repair actions message 201.55 Operator panel door The printer detected that the 1. Remove all media present assembly interlock switch (operator panel door in media path. switch open failure interlock) did not cycle prior to 2.
  • Page 55 7462 Error code or Error contents Description/Action Possible repair actions message 201.80 Operator panel door The printer detected that the 1. Remove all media present assembly interlock switch (operator panel door in media path. switch open failure interlock) did not cycle prior to 2.
  • Page 56 7462 Error code or Error contents Description/Action Possible repair actions message 202.04 Sensor (fuser output) The sensor (fuser output) Go to sensor (fuser output) bounce rebounded once the trailing service check. edge of the media passed. Type 1 fuser “Sensor (fuser output) service check”...
  • Page 57 7462 Error code or Error contents Description/Action Possible repair actions message 202.25 Paper jam around Page may be jammed in fuser 1. Remove all media present fuser exit or redrive exit or redrive area. in media path. area. 2. Check media for proper installation.
  • Page 58 7462 Error code or Error contents Description/Action Possible repair actions message 202.34 Sensor (fuser output) Media reached the sensor Go to sensor (fuser output) lingering jam. (fuser output) but did not clear lingering jam service check. it in the specified time. Type 2 fuser “Sensor (fuser output) lingering jam service check.”...
  • Page 59 7462 Error code or Error contents Description/Action Possible repair actions message 202.51 Sensor (fuser output) Media reached the sensor Go to sensor (fuser output) lingering jam. (fuser output) but did not clear lingering jam service check. it in the specified time. Destination is “Sensor (fuser output) standard bin.
  • Page 60 7462 Error code or Error contents Description/Action Possible repair actions message 202.61 Sensor (fuser output) Media reached the sensor Go to sensor (fuser output) lingering jam. (fuser output) but did not clear lingering jam service check. it in the specified time. Destination is “Sensor (fuser output) standard bin.
  • Page 61 7462 Error code or Error contents Description/Action Possible repair actions message 202.78 Sensor (narrow Media remains on the sensor 1. Go to sensor (fuser output) media) static jam (narrow media) during the static jam service check. “Sensor (fuser warm up sequence. Type 2 fuser output) static jam service check”...
  • Page 62 7462 Error code or Error contents Description/Action Possible repair actions message 202.87 Sensor (fuser output) Media reached the sensor Go to sensor (fuser output) lingering jam. (fuser output) but did not clear lingering jam service check. it in the specified time. Destination is output “Sensor (fuser output) option.
  • Page 63 7462 Error code or Error contents Description/Action Possible repair actions message 203.08 Redrive motor load The redrive motor assembly 1. Remove all media present error has failed or caused high in media path. mechanical load during the 2. Ensure that upper redive warm up sequence.
  • Page 64 7462 Error code or Error contents Description/Action Possible repair actions message 230.00 Paper jam around Page may be jammed in 1. Remove all media present internal duplex. internal duplex area. in media path. 2. Check for obstructions in Source = Internal media path.
  • Page 65 7462 Error code or Error contents Description/Action Possible repair actions message 230.08 Internal duplex drive The internal duplex drive motor 1. Remove all media present motor load error assembly has failed or caused in media path. high mechanical load during 2.
  • Page 66 7462 Error code or Error contents Description/Action Possible repair actions message 230.18 Internal duplex drive The internal duplex drive motor 1. Remove all media present motor assembly does not rotate at the specified in media path. underspeed error. speed. 2. Check all connections on the duplex media entrance Source = Internal drive motor assembly.
  • Page 67: Service Checks

    7462 Error code or Error contents Description/Action Possible repair actions message 234.00 Sensor (duplex exit) Media is late reaching the 1. Remove all media present late jam sensor (duplex exit) within the in media path. specified time. 2. Check media for proper Source = External installation.
  • Page 68 7462 Error code or Error contents Description/Action Possible repair actions message 237.07 Paper jam around Page may be jammed in 1. Remove all media present external duplex external duplex area. in media path. 2. Check media for proper Source = External installation.
  • Page 69 7462 Error code or Error contents Description/Action Possible repair actions message 238.04 Sensor (duplex Media remains on the sensor 1. Remove all media present double-feed) static (duplex double-feed) during the in media path. warm up sequence. 2. Replace the external duplex assembly if problem Source = External remains.
  • Page 70 7462 Error code or Error contents Description/Action Possible repair actions message 239.01 External duplex Mechanical feed error or timing 1. Remove all media present assembly error error. in media path. 2. Check media for proper Source = External installation. duplex 3.
  • Page 71 7462 Error code or Error contents Description/Action Possible repair actions message 239.04 Input device ready Mechanical feed error or timing 1. Remove all media present response error. error. in media path. 2. Check media for proper Source = External installation. duplex 3.
  • Page 72 7462 Error code or Error contents Description/Action Possible repair actions message 239.07 Select output device Mechanical feed error or timing 1. Remove all media present error. error. in media path. 2. Check media for proper Source = External installation. duplex 3.
  • Page 73 7462 Error code or Error contents Description/Action Possible repair actions message 241.01 Pick motor control The pick motor does not reach 1. Remove all media present failure. the proper operating speed at in media path. the specified time. 2. Ensure media tray is not Media tray 1 overfilled.
  • Page 74 7462 Error code or Error contents Description/Action Possible repair actions message 241.08 Pick motor load error The pick motor has failed or 1. Remove all media present caused high mechanical load in media path. Source = Media tray 1 due to paper jam or bind. 2.
  • Page 75 7462 Error code or Error contents Description/Action Possible repair actions message 241.16 Sensor (input) late The media is late reaching the Go to sensor (input) late jam sensor (input) within the service check. specified time. Source = Tray 1 “Sensor (input) late jam service check.”...
  • Page 76 7462 Error code or Error contents Description/Action Possible repair actions message 242.04 Sensor (pass through) The media is late reaching the Go to sensor (pass through) late jam sensor (pass through) within late jam service check. the specified time. Source = Tray 2 “Sensor (pass through) late jam service check”...
  • Page 77 7462 Error code or Error contents Description/Action Possible repair actions message 242.52 Tray 2 pick motor The Pick motor encoder 1. Check all connections on overrun failure continues to detect pulses after the pick arm assembly. the motor was turned off. 2.
  • Page 78 7462 Error code or Error contents Description/Action Possible repair actions message 242.49 HCIT tray lift motor The HCIT tray lift motor has 1. Ensure the HCIT media tray stalled failure stalled or has become assembly is properly inserted obstructed. into the machine. Source = Tray 2 2.
  • Page 79 7462 Error code or Error contents Description/Action Possible repair actions message 242.65 Pick motor load error The pick motor has failed or 1. Remove all media present caused high mechanical load in media path. Source = Media tray 2 due to paper jam or bind. 2.
  • Page 80 7462 Error code or Error contents Description/Action Possible repair actions message 242.67 Pick motor overspeed The pick motor does not rotate 1. Remove all media present failure at the specified speed. in media path. 2. Ensure media tray is not Source = Media tray 2 overfilled.
  • Page 81 7462 Error code or Error contents Description/Action Possible repair actions message 243.00 Media tray 3 area jam The media is jammed in the 1. Remove all media present media tray 3 area. in media path. 2. Check media for proper installation.
  • Page 82 7462 Error code or Error contents Description/Action Possible repair actions message 243.17 Media tray pulled jam A media tray above the source 1. Remove all media present tray was pulled during the in media path. Source = Tray 3 printing process. 2.
  • Page 83 7462 Error code or Error contents Description/Action Possible repair actions message 243.49 HCIT tray lift motor The HCIT tray lift motor has 1. Ensure the HCIT media tray stalled failure stalled or has become assembly is properly inserted obstructed. into the machine. Source = Tray 3 2.
  • Page 84 7462 Error code or Error contents Description/Action Possible repair actions message 243.65 Pick motor load error The pick motor has failed or 1. Remove all media present caused high mechanical load in media path. Source = Media tray 3 due to paper jam or bind. 2.
  • Page 85 7462 Error code or Error contents Description/Action Possible repair actions message 243.67 Pick motor overspeed The pick motor does not rotate 1. Remove all media present failure at the specified speed. in media path. 2. Ensure media tray is not Source = Media tray 3 overfilled.
  • Page 86 7462 Error code or Error contents Description/Action Possible repair actions message 244.00 Media tray 4 area jam The media is jammed in the 1. Remove all media present media tray 4 area. in media path. 2. Check media for proper installation.
  • Page 87 7462 Error code or Error contents Description/Action Possible repair actions message 244.17 Media tray pulled jam A media tray above the source 1. Remove all media present tray was pulled during the in media path. printing process. 2. Close all media trays. 244.18 Pick retry timeout The engine timed out waiting...
  • Page 88 7462 Error code or Error contents Description/Action Possible repair actions message 244.49 HCIT tray lift motor The HCIT tray lift motor has 1. Ensure the HCIT media tray stalled failure stalled or has become assembly is properly inserted obstructed. into the machine. Source = Tray 4 2.
  • Page 89 7462 Error code or Error contents Description/Action Possible repair actions message 244.65 Pick motor load error The pick motor has failed or 1. Remove all media present caused high mechanical load in media path. Source = Media tray 4 due to paper jam or bind. 2.
  • Page 90 7462 Error code or Error contents Description/Action Possible repair actions message 244.67 Pick motor overspeed The pick motor does not rotate 1. Remove all media present failure at the specified speed. in media path. 2. Ensure media tray is not Source = Media tray 4 overfilled.
  • Page 91 7462 Error code or Error contents Description/Action Possible repair actions message 245.00 Media tray 5 area jam The media is jammed in the 1. Remove all media present media tray 5 area. in media path. 2. Check media for proper installation.
  • Page 92 7462 Error code or Error contents Description/Action Possible repair actions message 245.17 Media tray pulled jam A media tray above the source 1. Remove all media present tray was pulled during the in media path. Source = Tray 5 printing process. 2.
  • Page 93 7462 Error code or Error contents Description/Action Possible repair actions message 245.49 HCIT tray lift motor The HCIT tray lift motor has 1. Ensure the HCIT media tray stalled failure stalled or has become assembly is properly inserted obstructed. into the machine. Source = Tray 5 2.
  • Page 94 7462 Error code or Error contents Description/Action Possible repair actions message 245.65 Pick motor load error The pick motor has failed or 1. Remove all media present caused high mechanical load in media path. Source = Media tray 5 due to paper jam or bind. 2.
  • Page 95 7462 Error code or Error contents Description/Action Possible repair actions message 245.67 Pick motor overspeed The pick motor does not rotate 1. Remove all media present failure at the specified speed. in media path. 2. Ensure media tray is not Source = Media tray 5 overfilled.
  • Page 96 7462 Error code or Error contents Description/Action Possible repair actions message 250.00 MPF area jam The media is jammed in the Go to sensor (input) service MPF area. check. Source = MPF “Sensor (input) service check” on page 2-115. 250.03 Sensor (input) late The media is late reaching the Go to sensor (input) late jam...
  • Page 97 7462 Error code or Error contents Description/Action Possible repair actions message 260.01 Envelope feeder Mechanical feed error or timing 1. Remove the envelope assembly error error. feeder. 2. Remove all media present in media path. 3. Check media for proper installation.
  • Page 98 7462 Error code or Error contents Description/Action Possible repair actions message 260.06 Sensor (envelope The media is late reaching the 1. Remove the envelope feeder pass through) sensor (envelope feeder pass feeder. late jam through) within the specified 2. Remove all media present time.
  • Page 99 7462 Error code or Error contents Description/Action Possible repair actions message 260.15 Sensor (input) late The media is late reaching the Go to sensor (input) late jam sensor (input) within the service check. specified time. Source = Envelope “Sensor (input) late jam feeder service check.”...
  • Page 100 7462 Error code or Error contents Description/Action Possible repair actions message “Sensor (output pass 27x.15 Sensor (output pass Media remains on the sensor through) static jam (output pass through) during through) static jam service x = bin check” on page 2-159.
  • Page 101 7462 Error code or Error contents Description/Action Possible repair actions message 27x.51 Right tamper does not The sensor (right tamper HP) 1. Check all the connections on leave home position does not detect that the tamper the output option controller x = bin failure has moved from home position.
  • Page 102 7462 Error code or Error contents Description/Action Possible repair actions message 28x.26 Timer 0 overflow (1ms A software failure has occurred 1. Turn the machine off/on. timer did not get with the output option. x = bin 2. Replace the output option if serviced for an entire number problem remains.
  • Page 103 7462 Error code or Error contents Description/Action Possible repair actions message 28x.35 Sensor (self priming) The sensor (self priming) within 1. Check all the connections on late failure the stapler assembly does not the output option controller x = bin detect a ready staple in the card and the stapler assembly.
  • Page 104 7462 Error code or Error contents Description/Action Possible repair actions message 28x.38 Staple ready home The sensor (self priming) within 1. Check all the connections on position jam the stapler assembly does not the controller card and the x = bin detect a ready staple in the stapler assembly.
  • Page 105 7462 Error code or Error contents Description/Action Possible repair actions message 28x.40 Left tamper does not The sensor (left tamper HP) 1. Check all the connections on leave home position does not detect that the tamper the output option controller x = bin failure has moved from home position.
  • Page 106 7462 Error code or Error contents Description/Action Possible repair actions message 28x.42 Right tamper does not The sensor (right tamper HP) 1. Check all the connections on leave home position does not detect that the tamper the output option controller x = bin failure has moved from home position.
  • Page 107 7462 Error code or Error contents Description/Action Possible repair actions message 28x.46 Paddle home position The sensor (paddle HP) does 1. Check all the connections on not detect that the paddle is the output option controller x = bin operating. card.
  • Page 108 7462 Error code or Error contents Description/Action Possible repair actions message 28x.50 Left tamper home The left tamper home position 1. Check all the connections on position jam is not detected by the sensor the output option controller x = bin (left tamper HP) card.
  • Page 109 7462 Error code or Error contents Description/Action Possible repair actions message 28x.54 Eject motor encoder The eject motor encoder 1. Check all the connections on not detected detection is lost during normal the output option controller x = bin operation. card.
  • Page 110 7462 Error code or Error contents Description/Action Possible repair actions message 28x.61 DMID command is not A software failure has occurred 1. Turn the machine off/on. received for 500ms with the output option. x = bin 2. Replace the output option if after main motor runs number problem remains.
  • Page 111 7462 Error code or Error contents Description/Action Possible repair actions message 28x.68 Staple ready home The sensor (self priming) within 1. Check all the connections on position jam the stapler assembly does not the controller card and the x = bin detect a ready staple prior to a stapler assembly.
  • Page 112 7462 Error code or Error contents Description/Action Possible repair actions message 28x.70 Stapler mechanism The sensor (home signal) 1. Check all the connections on not in home position within the stapler assembly the controller card and the x = bin failure detected that the stapler stapler assembly.
  • Page 113 7462 Error code or Error contents Description/Action Possible repair actions message “Sensor (ADF sheet 290.03 Sensor (ADF sheet Media reached the sensor through) lingering jam (ADF sheet through) but did through) lingering jam service check” on not clear it within the specified time.
  • Page 114 7462 Error code or Error contents Description/Action Possible repair actions message 842.xx ADF communication The ADF controller card has 1. Check all connections on the failure lost communication with the ADF controller card assembly. system. 2. Replace the ADF controller card assembly if problem remains.
  • Page 115 7462 Error code or Error contents Description/Action Possible repair actions message 902.xx System software error Code detected unusual event 1. POR the machine and print or timing. a simple test page to determine if the problem is system software related, or if the customer is sending a corrupted print job.
  • Page 116 7462 Error code or Error contents Description/Action Possible repair actions message 906.xx RIP interface driver Code detected unusual event 1. POR the machine and print error or timing. a simple test page to determine if the problem is system software related, or if the customer is sending a corrupted print job.
  • Page 117 7462 Error code or Error contents Description/Action Possible repair actions message 914.00 Pick arm motor no The pick arm motor encoder 1. Check all the connections on encoder not detected detection is lost during normal the pick arm assembly. failure operation 2.
  • Page 118 7462 Error code or Error contents Description/Action Possible repair actions message 916.00 Internal duplex drive The duplex drive motor 1. Check all the connections on motor encoder not encoder detection is lost during the duplex drive motor detected failure normal operation assembly.
  • Page 119 7462 Error code or Error contents Description/Action Possible repair actions message 920.02 Fuser warm-up failure The fuser hot roll fell to far 1. Turn the machine off/on below desired temperature and ensure the fuser unit Fuser type = 1 while in standby control. assembly is properly installed.
  • Page 120 7462 Error code or Error contents Description/Action Possible repair actions message 920.06 Fuser warm-up failure The fuser hot roll temperature 1. Turn the machine off/on does not increase while the and ensure the fuser unit Fuser type = 1 lamp is turned on. assembly is properly installed.
  • Page 121 7462 Error code or Error contents Description/Action Possible repair actions message 920.26 Fuser warm-up failure The fuser hot roll took too long 1. Turn the machine off/on to heat up after transitioning to and ensure the fuser unit Fuser type = 2 new enhanced mode within assembly is properly standby control only.
  • Page 122 7462 Error code or Error contents Description/Action Possible repair actions message 920.31 Fuser warm-up failure The fuser hot roll temperature 1. Turn the machine off/on does not increase while the and ensure the fuser unit Fuser type = 2 lamp is turned on. assembly is properly installed.
  • Page 123 7462 Error code or Error contents Description/Action Possible repair actions message 920.52 Fuser warm-up failure The fuser hot roll fell to far Replace the fuser unit below desired temperature assembly if problem remains. Fuser type = 1 “Fuser unit assembly while in standby control.
  • Page 124 7462 Error code or Error contents Description/Action Possible repair actions message 920.79 Fuser warm-up failure The fuser hot roll is too cool Replace the fuser unit when heating to desired assembly if problem remains. Fuser type = 2 “Fuser unit assembly temperature after slope change Go to within standby control only.
  • Page 125 7462 Error code or Error contents Description/Action Possible repair actions message 922.03 Fuser warm-up failure The fuser hot roll does reach 1. Turn the machine off/on the “final lamp detection” and ensure the fuser unit Fuser type = 1 parameter but not in the assembly is properly specified time.
  • Page 126 7462 Error code or Error contents Description/Action Possible repair actions message 922.06 Fuser warm-up failure The fuser hot roll did not reach 1. Turn the machine off/on operating temperature within and ensure the fuser unit Fuser type = 1 new enhanced control. assembly is properly installed.
  • Page 127 7462 Error code or Error contents Description/Action Possible repair actions message 922.27 Fuser warm-up failure The fuser hot roll does not 1. Turn the machine off/on reach the “beginning lamp and ensure the fuser unit Fuser type = 2 detection” parameter in the assembly is properly specified time.
  • Page 128 7462 Error code or Error contents Description/Action Possible repair actions message 922.29 Fuser warm-up failure The fuser hot roll has timed out 1. Turn the machine off/on and not reached “final lamp and ensure the fuser unit Fuser type = 2 detection”...
  • Page 129 7462 Error code or Error contents Description/Action Possible repair actions message 922.32 Fuser warm-up failure The fuser hot roll does not 1. Turn the machine off/on reach operating temperature and ensure the fuser unit Fuser type = 2 after increasing interpage gap. assembly is properly installed.
  • Page 130 7462 Error code or Error contents Description/Action Possible repair actions message 922.75 Fuser warm-up failure The fuser hot roll failed to Replace the fuser unit reach target temperature. assembly if problem remains. Fuser type = 2 “Fuser unit assembly Go to removal (X651, X652, X654, Fuser page count has X656, and X658)”...
  • Page 131 7462 Error code or Error contents Description/Action Possible repair actions message 923.01 Fuser over The fuser hot roll has 1. Turn the machine off/on temperature failure. exceeded the proper operating and ensure the fuser unit temperature. assembly is properly Fuser type = 1 installed.
  • Page 132 7462 Error code or Error contents Description/Action Possible repair actions message 923.76 Fuser over The fuser hot roll has Replace the fuser unit temperature failure. exceeded the proper operating assembly if problem remains. “Fuser unit assembly temperature. Go to Fuser type = 2 removal (X651, X652, X654, X656, and X658)”...
  • Page 133 7462 Error code or Error contents Description/Action Possible repair actions message 925.00 Incorrect fuser or The machine detected a 115 V 1. Turn the machine off/on fuser lamp detected. lamp in a 220 V machine. The and ensure the fuser unit fuser lamp has an excessive assembly is properly Fuser type = 1...
  • Page 134 7462 Error code or Error contents Description/Action Possible repair actions message 925.26 Incorrect fuser or The machine detected a 115 V 1. Turn the machine off/on fuser lamp detected. lamp in a 220 V machine. The and ensure the fuser unit fuser lamp has an excessive assembly is properly Fuser type = 2...
  • Page 135 7462 Error code or Error contents Description/Action Possible repair actions message 925.52 Incorrect fuser or The machine detected a 115 V 1. Turn the machine off/on fuser lamp detected. lamp in a 220 V machine. The and ensure the fuser unit fuser lamp has an excessive assembly is properly Fuser type = 1...
  • Page 136 7462 Error code or Error contents Description/Action Possible repair actions message 927.01 Main cooling fan The cooling fan is obstructed or 1. Check for cooling fan failure. has failed. obstructions. 2. Check the connections on the main cooling fan. 3. Replace the main cooling fan.
  • Page 137 7462 Error code or Error contents Description/Action Possible repair actions message 927.07 Main cooling fan over The main cooling fan does not 1. Check for cooling fan speed failure. reach the specified speed. obstructions. 2. Check the connections on the main cooling fan. 3.
  • Page 138 7462 Error code or Error contents Description/Action Possible repair actions message 927.16 Print cartridge cooling The Print cartridge cooling fan 1. Check for cooling fan fan over speed failure. does not reach the specified obstructions. speed. 2. Check the connections on the main cooling fan.
  • Page 139 7462 Error code or Error contents Description/Action Possible repair actions message 930.00 Incorrect printhead or A non supported printhead is Replace the printhead intermittent Hsync installed. Hsync signal is assembly. Go to “Printhead assembly removal (X654, intermittent or noisy. Printhead ID resistor circuit is not to spec.
  • Page 140 7462 Error code or Error contents Description/Action Possible repair actions message 936.11 Main drive motor The main drive motor assembly 1. Check all connections on assembly failure may be faulty or has failed. the system card assembly. 2. Check all connections on No halls detected at the main drive motor motor start.
  • Page 141 7462 Error code or Error contents Description/Action Possible repair actions message 936.30 Main drive motor The main drive motor assembly 1. Check all connections on assembly failure may be faulty or has failed. the system card assembly. 2. Check all connections on No lock detected at the main drive motor motor start for motor...
  • Page 142 7462 Error code or Error contents Description/Action Possible repair actions message 936.61 Main drive motor The main drive motor assembly 1. Check all connections on assembly failure may be faulty or has failed. the system card assembly. 2. Check all connections on No lock detected at the main drive motor normal motor start.
  • Page 143 7462 Error code or Error contents Description/Action Possible repair actions message 937.40 Main drive motor The main drive motor assembly 1. Check all connections on assembly failure may be faulty or has failed. the system card assembly. 2. Check all connections on Over speed detected the main drive motor during speed control.
  • Page 144 7462 Error code or Error contents Description/Action Possible repair actions message 937.51 Main drive motor The main drive motor assembly 1. Check all connections on assembly failure may be faulty or has failed. the system card assembly. 2. Check all connections on Over speed detected the main drive motor during position...
  • Page 145 7462 Error code or Error contents Description/Action Possible repair actions message Warning: Ensure that the 937.71 Main drive motor The main drive motor assembly assembly failure may be faulty or has failed. metal frame of the internal duplex assembly is properly Loss of lock detected The internal duplex assembly grounded to the metal frame of...
  • Page 146 7462 Error code or Error contents Description/Action Possible repair actions message 937.80 Main drive motor The main drive motor assembly 1. Check all connections on assembly failure may be faulty or has failed. the system card assembly. 2. Check all connections on Driver over temp the main drive motor detection.
  • Page 147 7462 Error code or Error contents Description/Action Possible repair actions message Warning: When replacing any 950.xx NVRAM mismatch Mismatch between system failure card EEPROM and operator of the following components: panel mirror. • Operator panel assembly ".xx" codes: • System card assembly Only replace one component at 00-29: mismatch between a time.
  • Page 148 7462 Error code or Error contents Description/Action Possible repair actions message 956.xx System card The processor has failed on Replace the system card processor failure the system card assembly. assembly. Go to “System card assembly removal (X651, X652, X654, X656, and X658)” on page 4-51.
  • Page 149 7462 Error code or Error contents Description/Action Possible repair actions message 976.xx Network Error The system detected an unrecoverable software error in network port 978.xx The system detected a bad Network Error checksum while programming network port 979.xx The flash parts failed while Network Error programming a network port 982.04...
  • Page 150 7462 Error code or Error contents Description/Action Possible repair actions message 990.54 HCIT tray lift motor The HCIT tray lift motor is not 1. Check for obstruction in the lost encoder failure reporting pulses back to the HCIT tray lift area. engine.
  • Page 151: Sensor (Input) Service Check

    7462 Service checks Sensor (input) service check Step Check Check the sensor (input) for damage. Go to step 2. Replace the sensor (input). Is the above component free from damage? Go to “Sensor (input) removal (X651, X652, X654, X656, and X658)”...
  • Page 152: Sensor (Narrow Media) Service Check

    7462 Sensor (narrow media) service check Step Check Check the sensor (narrow media) for damage. Go to step 2. Replace the fuser unit assembly. Is the above component free from damage? Go to “Fuser unit assembly removal (X651, X652, X654, X656, and X658)”...
  • Page 153: Sensor (Duplex Input) Service Check (External Duplex Only)

    7462 Step Check Check the above sensor for proper connection. Replace the Replace the duplex input connection. Is the above sensor connected properly? sensor assembly (internal duplex only). Go to “Duplex input sensor assembly removal (X654, X656, and X658)” on page 4-10 or replace the external duplex unit assembly...
  • Page 154: Sensor (Pass Through) Service Check

    7462 Sensor (pass through) service check Step Check 1. Enter the diagnostic mode The sensor is Go to step 2. working properly 2. Select Input tray tests 3. Select Sensor test 4. Select the appropriate tray number 5. Observe the line item “pass through” for the appropriate media tray Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or...
  • Page 155: Switch (Adf Closed Interlock) Jam Service Check

    7462 Step Check Check the above sensor for proper connection. Replace the Replace the sensor (ADF top connection. Is the above sensor connected properly? door interlock). Go to Go to “Sensor (ADF top door interlock) removal (models X651, X652, X654, X656, and X658)”...
  • Page 156: Sensor (Adf Sheet Through) Static Jam Service Check

    7462 Sensor (ADF sheet through) static jam service check Use this procedure for the following jams: • 290.00 Check the media path. Go to step 2. Remove any media or media Is the media path free of media or media fragments? fragments.
  • Page 157: Sensor (Adf Sheet Through) Late Jam Service Check 290.01

    7462 Sensor (ADF sheet through) late jam service check 290.01 Use this procedure for the following jams: • 290.01 Step Check Check the original document condition. Go to step 2. Remove damaged original Is the original document free of paper clips and staples as document and well as damage such as creases, tears, holes or excessive replace with a...
  • Page 158: Sensor (Adf 1St Scan) Late Jam Service Check

    7462 Step Check Check the sensor (ADF sheet through) for proper operation. Go to step 7. Go to step 6. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Observe the line “sensor (ADF sheet through)” Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked?
  • Page 159 7462 Step Check Check the ADF rolls for wear. Go to step 3. Clean or replace the ADF feed/pick Is the ADF feed/pick roll assembly or the ADF separation roll roll assembly or guide assembly free of excess wear? the ADF separation roll assembly.
  • Page 160: Sensor (Adf Sheet Through) Lingering Jam Service Check

    7462 Step Check Place an undamaged document in the ADF, and perform a Replace the ADF Problem solved. ADF test. controller card assembly. Does the error remain? Go to “ADF controller card removal (models X651, X652, X654, X656, and X658)” on page 4-65.
  • Page 161 7462 Step Check Check the sensor (ADF sheet through) for proper Replace the Replace the connection. sensor (ADF connection. sheet through). Is the above component properly connected? Go to “Sensor (ADF sheet through) removal (models X651, X652, X654, X656, and X658)”...
  • Page 162: Sensor (1St Scan) Static Jam Service Check

    7462 Sensor (1st scan) static jam service check Use this procedure for the following jams: • 290.10 Check the media path. Go to step 2. Remove any media or media Is the media path free of media or media fragments? fragments.
  • Page 163: Sensor (2Nd Scan) Static Jam Service Check

    7462 Sensor (2nd scan) static jam service check Use this procedure for the following jams: • 291.00 Check the media path. Go to step 2. Remove any media or media Is the media path free of media or media fragments? fragments.
  • Page 164 7462 Step Check Check the original document condition. Go to step 3. Remove damaged original document Is the original document free of paper clips and staples as and replace with a well as damage such as creases, tears, holes or excessive new undamaged wear? original document.
  • Page 165: Sensor (Adf Media Exit) Late Jam Service Check

    7462 Sensor (ADF media exit) late jam service check Use this procedure for the following jams: • 291.02 Step Check Check the original document condition. Go to step 2. Remove damaged original document Is the original document free of paper clips and staples as and replace with a well as damage such as creases, tears, holes or excessive new undamaged...
  • Page 166: Adf Top Door Open Jam Service Check

    7462 Step Check Place an undamaged document in the ADF, and perform a Replace the ADF Problem solved. ADF test. controller card assembly. Does the error remain? Go to “ADF controller card removal (models X651, X652, X654, X656, and X658)” on page 4-65.
  • Page 167: Media Missing Jam Service Check

    7462 Step Check Place an undamaged document in the ADF, and perform a Replace the ADF Problem solved. ADF test. controller card assembly. Does the error remain? Go to “ADF controller card removal (models X651, X652, X654, X656, and X658)” on page 4-65.
  • Page 168: Sensor (Adf Media Exit) Static Jam Service Check

    7462 Step Check Place an undamaged document in the ADF, and perform a Replace the ADF Problem solved. ADF test. controller card assembly. Does the error remain? Go to “ADF controller card removal (models X651, X652, X654, X656, and X658)” on page 4-65.
  • Page 169: Sensor (Adf Media Exit) Late Jam Service Check

    7462 Place an undamaged document in the ADF, and perform a Replace the ADF Problem solved. ADF test. controller card assembly. Does the error remain? Go to “ADF controller card removal (models X651, X652, X654, X656, and X658)” on page 4-65.
  • Page 170 7462 Step Check Check the sensor (ADF media exit) for proper operation. Go to step 6. Go to step 5. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Observe the line “sensor (ADF media exit) Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked?
  • Page 171: Sensor (Adf Media Exit) Lingering Jam Service Check

    7462 Sensor (ADF media exit) lingering jam service check Use this procedure for the following jams: • 294.03 Step Check Check the original document condition. Go to step 2. Remove damaged original document Is the original document free of paper clips and staples as and replace with a well as damage such as creases, tears, holes or excessive new undamaged...
  • Page 172 7462 Step Check Check the sensor (ADF media exit) for proper connection. Replace the Replace the sensor (ADF connection. Is the above component properly connected? media exit). Go to “Sensor (ADF media exit) fan bracket assembly removal (models X652, X654, X656, and X658)”...
  • Page 173: Sensor (Input) Late Jam Service Check

    7462 Sensor (input) late jam service check. Use this procedure for the following jams: • 200.07 • 230.04 • 230.06 • 237.00 • 239.11 • 241.06 • 214.10 • 241.11 • 241.12 • 241.14 • 241.15 • 241.16 • 241.18 •...
  • Page 174 7462 Step Check Check the sensor (duplex input) for proper operation. Go to step 12. Go to step 11. 1. Enter the diagnostic mode 2. Select Duplex tests 3. Select sensor test 4. Observe the line item “input” Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked.
  • Page 175: Sensor (Input) Lingering Jam Service Check

    7462 Step Check Check the aligner assembly for obstructions. Go to step 18. Remove obstructions. Is the above component free from obstructions? Check the sensor (input) for proper operation. The sensor is Go to step 19. working properly. 1. Enter the diagnostic mode Go to step 20.
  • Page 176 7462 Step Check Check the fuser unit assembly for obstructions. Remove Go to step 3. obstructions. Is the above component free of obstructions? Check the fuser unit assembly for excess wear and Go to step 4. Replace the fuser damage. unit assembly.
  • Page 177: Sensor (Input) Early Jam Service Check

    7462 Step Check Perform a print test. Contact next Problem solved. highest level of Does the problem remain? tech support. Sensor (input) early jam service check Use this procedure for the following jams: • 200.04 • 200.06 • 200.08 • 200.14 •...
  • Page 178: Sensor (Input) Static Jam Service Check

    7462 Step Check Check the sensor (input) for proper operation. Go to step 9. Go to step 8. 1. Enter the diagnostic mode 2. Select Base sensor test 3. Observe the line item “input” Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked.
  • Page 179: Sensor (Fuser Output) Late Jam Service Check

    7462 Sensor (fuser output) late jam service check. Use this procedure for the following jams: • 201.02 • 201.07 • 201.27 • 201.32 • 201.50 • 201.52 • 201.57 • 201.75 • 201.77 • 201.82 Step Check Check the media size setup and tray guides for all media Go to step 2.
  • Page 180: Sensor (Fuser Output) Lingering Jam Service Check

    7462 Step Check Perform a print test and check the main motor assembly. Go to step 10. Replace the main drive motor Is the media properly transported and able to reach the assembly. sensor (fuser output)? Go to “Main drive motor assembly removal (X651, X652, X654, X656,...
  • Page 181 7462 Step Check Check the above sensor for proper connection. Replace the fuser Replace the unit assembly. connection. Is the above sensor connected properly? “Fuser unit Go to assembly removal (X651, X652, X654, X656, and X658)” on page 4-15. Check the redrive assembly for damage. Go to step 8.
  • Page 182: Sensor (Fuser Output) Static Jam Service Check

    7462 Sensor (fuser output) static jam service check Use this procedure for the following jams: • 202.06 • 202.13 • 202.31 • 202.38 • 202.56 • 202.63 • 202.81 • 202.88 Step Check Check the media path for partially fed or jammed media. Go to step 2.
  • Page 183: Sensor (Narrow Media) Static Jam Service Check

    7462 Step Check Check the fuser unit assembly for damage and life Replace the fuser Go to step 4. expiration. unit assembly. “Fuser unit Is the above component damaged or has it exceeded life? Go to assembly removal (X651, X652, X654, X656, and X658)”...
  • Page 184: Sensor (Duplex Input) Late Jam Service Check

    7462 Check Check the media path for partially fed or jammed media. Go to step 2. Remove any pre- staged or jammed Is the media path free from partially fed or jammed media? media. Check the sensor (narrow media) for proper operation. Go to step 4.
  • Page 185 7462 Step Check Perform a print test and check the redrive motor assembly Go to step 7. Replace the for proper operation. redrive motor assembly. Does the above component operate properly? Go to “Redrive motor assembly removal (X654, X656, and X658)” on page 4-39.
  • Page 186: Sensor (Duplex Input) Lingering Jam Service Check

    7462 Step Check Check the sensor (duplex input) for proper operation. Go to step 14. Replace the external duplex 1. Enter the diagnostic mode assembly. 2. Select Duplex tests 3. Select sensor test 3. Observe the line item “input” Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked.
  • Page 187: Sensor (Duplex Input) Static Jam Service Check

    7462 Step Check Check the aligner assembly for obstructions. Go to step 7. Remove obstructions. Is the above component free from obstructions? Check the external duplex media path for obstructions. Go to step x Remove obstructions. Is the above component free from obstructions? Check the external duplex unit assembly for proper Go to step 9.
  • Page 188 7462 Step Check Check the media path for partially fed or jammed media. Go to step 6. Remove any pre- staged or jammed Is the media path free from partially fed or jammed media? media. Check the sensor (duplex input) for proper operation. Go to step 7.
  • Page 189: Sensor (Pass Through) Late Jam Service Check

    7462 Sensor (pass through) late jam service check Use this procedure for the following jams: • 242.02 • 242.03 • 242.04 • 242.05 • 242.06 • 242.10 • 242.16 • 242.37 • 243.02 • 243.03 • 243.04 • 243.04 • 243.05 •...
  • Page 190: Sensor (Pass Through) Lingering Jam Service Check

    7462 Step Check Check the above sensor for proper connection. Replace the Replace the appropriate connection. Is the above sensor connected properly? Sensor (pass through). “Sensor Go to (pass through) with cable removal” on page 4-190. Perform a print test and check the pick arm assembly for Go to step 8.
  • Page 191: Sensor (Pass Through) Static Jam Service Check

    7462 Step Check Check the appropriate media tray sensor (pass through) for Go to step 5. Go to step 4. proper operation. 1. Enter the diagnostic mode 2. Select Input tray tests 3. Sensor test 4. Select the appropriate tray number 3.
  • Page 192: Sensor (Stapler Pass Through) Late Jam Service Check

    7462 Step Check Check the appropriate media tray sensor (pass through) for Go to step 5. Go to step 4. proper operation. 1. Enter the diagnostic mode 2. Select Input tray tests 3. Sensor test 4. Select the appropriate tray number 3.
  • Page 193: Sensor (Stapler Pass Through) Lingering Jam Service Check

    7462 Sensor (stapler pass through) lingering jam service check Step Check Check the output option for proper installation. Go to step 2. Remove then reinstall the output Is the above component properly installed? option Check for obstructions in the media path between the Go to step 3.
  • Page 194: Sensor (Output Pass Through) Late Jam Service Check

    7462 Sensor (output pass through) late jam service check Step Check Check the output option for proper installation. Go to step 2. Remove then reinstall the output Is the above component properly installed? option Check for obstructions in the media path between the base Go to step 3.
  • Page 195: Sensor (Output Pass Through) Static Jam Service Check

    7462 Step Check Check the above sensor for proper connection. Replace the Replace the sensor (output connection. Is the above sensor connected properly? pass through). Go to “4-bin mailbox assembly sensor (pass through) removal” on page 4-224. Perform a print test using the output option. Replace the output Problem solved.
  • Page 196: Sensor (Mailbox Empty) Lingering Jam Service Check

    7462 Step Check Check for obstructions in the media path between the base Go to step 3. Remove machine and the output option. obstructions. Is the media path free from obstructions? Check the sensor (mailbox empty) for proper operation. Go to step 5. Go to step 4.
  • Page 197: Sensor (Mailbox Empty) Static Jam Service Check

    7462 Step Check Check the above sensor for proper connection. Replace the Replace the sensor (mailbox connection. Is the above sensor connected properly? empty). Go to “4-bin mailbox assembly sensor (mailbox empty) removal” on page 4-225. Perform a print test using the output option. Replace the output Problem solved.
  • Page 198: Sensor (Scanner Hp) Service Check

    7462 Step Check Check the sensor (toner empty) for proper operation. The sensor is Go to step 3. working properly. 1. Enter the diagnostic mode 2. Select Base sensor test 3. Observe the line item “toner empty” Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked? Check the above sensor for proper connection.
  • Page 199: Nvram Mismatch Failure (950.00 Through 950.29) Service Check

    7462 Check the sensor (ADF 2nd scan) for proper operation. The sensor is Go to step 3. working properly. 1. Enter the diagnostic mode 2. Select Scanner tests 3. Select Sensor tests 4. Observe the line item “ADF 2nd scan” Does the display on the operator panel change every time the sensing area of the above sensor is interrupted or blocked?
  • Page 200: Image Quality Trouble

    7462 Image quality trouble Printer Related Troubleshooting Note: First, get a printout as a base, and follow the symptom table to identify the possible failing FRU’s. Image quality symptoms • “Faint print (Low contrast)” on page 2-165. Faint print (low contrast)– •...
  • Page 201: Image Quality

    7462 Image Quality Faint print (Low contrast) Leading edge Trailing edge Before starting, check the media route for foreign objects, such as staples, clips, and scraps, in the media path. Step Check Check the media condition. Problem solved. Go to step 2. Load new, dry, recommended media, and perform a print test.
  • Page 202 7462 Step Check Check the HVPS card assembly for proper connection. Replace the Replace the HVPS card connections. Is the above component properly connected? assembly. Go to “HVPS card assembly removal (X651, X652, X654, X656, and X658)” on page 4-17. Check the printhead assembly for proper connection.
  • Page 203: Blank Print (No Print)

    7462 Blank print (no print) Check the media path for foreign objects such as staples, clips, scraps of media. Step Check Check the media condition. Problem solved. Go to step 2. Load new, dry, recommended media, and perform a print test. Is the image density normal? Check the toner level.
  • Page 204 7462 Step Check Check the transfer roll assembly for contamination and Go to step 6. Replace the wear. transfer roll assembly. Is the above component free of excess wear and contamination? Go to “Transfer roll assembly removal (X651, X652, X654, X656, and X658)”...
  • Page 205: Solid Black

    7462 Solid black Check the media path for foreign objects such as staples, clips, scraps of media. Step Check Check the charge roll assembly for proper installation. Go to step 2. Replace the charge roll Is the above component properly installed? assembly.
  • Page 206: Vertical Lines And Bands (Process Direction)

    7462 Vertical lines and bands (process direction) Leading edge Trailing edge Step Check Check the media condition. Go to step 2. Problem solved. Load new, dry, recommended media. Re-print the defective image. Does the error continue? Is the media transfer route and the media path clear of Go to step 3.
  • Page 207: Horizontal White Stripes Or Bands (Side To Side Direction)

    7462 Horizontal white stripes or bands (side to side direction) Leading edge Trailing edge Step Check Check the media condition. Go to step 2. Problem solved. Load new, dry, and recommended media. Re-print the defective image. Does the error continue? Are the media transfer route and the media path free of Go to step 3.
  • Page 208: Vertical Stripes (Process Direction)

    7462 Vertical stripes (process direction) Leading edge Trailing edge Step Check Check the media condition. Go to step 2. Problem solved. Load new, dry, recommended media. Re-print the defective image. Does the error continue? Are the media transfer route and the media path free of Go to step 3.
  • Page 209: Horizontal Stripes (Side To Side Direction)

    7462 Step Check Check the heat roll and pressure roll. Replace the Go to step 7. fuser unit Remove the fuser unit assembly. assembly. CAUTION: : Allow Go to “Fuser the fuser unit unit assembly removal (X651, assembly to cool X652, X654, down.
  • Page 210 7462 Step Check Check the charge roll assembly for contamination and Go to step 5. Replace the wear. charge roll assembly. Is the above component free of excess wear and contamination? Go to “Charge roll assembly removal (X651, X652, X654, X656, and X658)”...
  • Page 211: Partial Lack

    7462 Partial lack Leading edge Trailing edge Step Check Check the media condition. Go to step 2. Problem solved. Load new, dry, recommended media. Re-print the defective image. Does the problem remain? Check the toner level. Go to step 3. Replace the print cartridge.
  • Page 212: Spots

    7462 Spots Leading edge Trailing edge Step Check Check the media condition. Go to step 2. Problem solved. Load new, dry, recommended media. Re-print the defective image. Does the error continue? Check the media transfer route. Go to step 3. Remove debris Is the media route free of contamination or debris? contamination.
  • Page 213 7462 Step Check Check the heat roll and pressure roll. Replace the Go to step 7 fuser unit Remove the fuser unit assembly. assembly. CAUTION: : Allow Go to “Fuser the fuser unit unit assembly removal (X651, assembly to cool X652, X654, down.
  • Page 214: After Image

    7462 After image Leading edge Trailing edge The ghost appears on the media which, may be the image from the previous page or part of the page currently printing. Step Check Check the media condition. Go to step 2. Problem solved. Load new, dry, recommended media.
  • Page 215: Background (Fog)

    7462 Background (fog) Leading edge Trailing edge Step Check Check the media condition. Go to step 2. Problem solved. Load new, dry, recommended media. Re-print the defective image. Does the error continue? Check the media transfer route. Go to step 3. Remove debris Is the media path free of contamination or debris.
  • Page 216: Skew

    7462 Skew Leading edge Trailing edge The printed image is not paralleled with both sides of the media. Step Check Check printer installation placement. Go to step 2. Correct the installation Check the installation surface for irregularities. placement. Check for damaged printer caster. Is the setup surface normal? Properly load media into the media tray assembly and Go to step 3.
  • Page 217: Media Damage

    7462 Step Check Perform a print test. Contact next Problem solved. highest level of Does the problem remain? tech support. Media damage Leading edge Trailing edge Step Check Check printer installation placement. Go to step 2. Correct the installation Check the installation surface for irregularities. placement.
  • Page 218 7462 Step Check Check the alignment assembly for proper adjustment. Go to step 6. Replace the alignment Go to “Alignment assembly adjustment” on assembly. page 4-3. Go to Go to Does the problem remain? “Alignment assembly removal (X651, X652, X654, X656, and X658)”...
  • Page 219: No Fuse

    7462 No fuse Leading edge Trailing edge Step Check Check the fuser unit assembly installation. Go to step 2. Reinstall the fuser unit Is the fuser unit assembly properly installed? assembly. Check the media condition. Go to step 3. Problem solved. Load new, dry, recommended media.
  • Page 220: Adf & Scanner Related Troubleshooting

    7462 ADF & Scanner Related Troubleshooting Note: First, get a printout as a base, and follow the symptom table to identify the possible failing FRU’s. Image quality symptoms: • Dark print – “Faint print (Low contrast)” on page 2-165. • “Vertical stripes (process direction)”...
  • Page 221: Adf & Scanner Image Quality

    7462 ADF & Scanner Image Quality Dark image quality (using ADF or Scanner) Leading edge Leading edge Trailing edge Trailing edge Before starting, check the media route for foreign objects, such as staples, clips, and scraps, in the media path. Step Check Check the large and small platen glass on the scanner...
  • Page 222: Vertical Lines (Process Direction Using The Adf)

    7462 Vertical lines (process direction using the ADF) Leading edge Leading edge Trailing edge Trailing edge Step Check Check the small platen glass on the scanner unit Clean or replace Go to step 2. assembly. the scanner platen glass Is the large and small platen glass contaminated or cover.
  • Page 223: Spots (Using Flatbed Scanner)

    7462 Step Check Perform a print test using the ADF unit assembly. Replace the Problem solved. scanner Does the error continue? controller card assembly. Go to “Scanner controller card assembly removal (models X651, X652, X654 and X656)” on page 4-124. Spots (using flatbed scanner) Leading edge Leading edge...
  • Page 224 7462 Step Check Check the white strip on the bottom of the large platen Clean the white Go to step 4. glass. strip and POR the machine. Is the white strip contaminated? Perform a print test using the scanner CCD assembly. Replace the Problem solved.
  • Page 225: Skew (Using Adf)

    7462 Skew (using ADF) Leading edge Trailing edge The printed image is not paralleled with both sides of the media. Step Check Check printer installation placement. Go to step 2. Correct the installation Check the installation surface for irregularities. placement. Check for damaged printer caster.
  • Page 226: Media Damage (Using Adf)

    7462 Media damage (using ADF) Leading edge Trailing edge Step Check Properly load document into the ADF unit assembly and Go to step 2. Problem solved. ensure all guides are set correctly. Re-print the defective image. Does the error continue? Check for obstructions in the area of the media feed Go to step 3.
  • Page 227 7462 Step Check Check the ADF controller card assembly. Replace the Problem solved. system card Replace the ADF controller card assembly. assembly. “ADF controller card removal (models X651, Go to Go to “System X652, X654, X656, and X658)” on page 4-65.
  • Page 228: Network Service Check

    Have the network administrator verify that the device is using the correct SSID, and wireless security protocols. For more network troubleshooting information, consult the Lexmark Network Setup Guide. Step...
  • Page 229 7462 Step Questions / actions Try using a different ethernet cable. Problem resolved Go to step 14. Did this remedy the situation? Have the network administrator check the Replace the controller Contact the network network drop for activity. board. Go to “System card administrator.
  • Page 230 7462 2-194 Service Manual...
  • Page 231: Diagnostic Aids

    7462 3. Diagnostic aids Understanding the printer control panel PQRS WXYZ Item Description Display View scanning, copying, faxing, and printing options as well as status and error messages. Keypad Enter numbers or symbols on the display. PQRS WXYZ Dial Pause •...
  • Page 232: Understanding The Home Screen

    7462 Item Description Home Press to return to the home screen. Start • Press to initiate the current job indicated on the display. • From the home screen, press to start a copy job with the default settings. • If pressed while a job is scanning, the button has no effect. Indicator light Indicates the printer status: •...
  • Page 233 7462 Display item Description Opens the File Transfer Protocol (FTP) menus Note: This function must be set up by your system support person. Once it is set up, it appears as a display item. Status message bar • Shows the current printer status such as Ready or Busy. •...
  • Page 234: Using The Touch-Screen Buttons

    7462 Using the touch-screen buttons Note: Depending on your options and administrative setup, your screens and buttons may vary from those shown. Sample touch screen Button Function Home Returns to the home screen Scroll down Opens a drop-down list Left scroll decrease Scrolls to another value in decreasing order Right scroll increase Scrolls to another value in increasing order...
  • Page 235: Other Touch-Screen Buttons

    7462 Button Function Right arrow Scrolls right Submit Saves a value as the new user default setting Submit Back Navigates back to the previous screen Other touch-screen buttons Button Function Down arrow Moves down to the next screen Up arrow Moves up to the next screen Unselected radio button This is an unselected radio button.
  • Page 236 7462 Button Function Cancel Jobs Opens the Cancel Jobs screen. The Cancel Jobs screen shows three headings: Print, Fax, and Network. The following items are available under the Print, Fax, and Network headings: • Print job • Copy job • Fax profile •...
  • Page 237: Accessing Service Menus

    7462 Accessing service menus There are different test menus that can be accessed during POR to identify problems with the printer. Diagnostics Menu 1. Turn off the printer. The Diagnostics Menu group consists of menus, settings, and operations that are used to diagnose 2.
  • Page 238: Diagnostics Menu

    7462 Diagnostics Menu Entering Diagnostics Menu 1. Turn off the printer. 2. Press and hold 3 and 6 buttons simultaneously. 3. Turn on the printer. 4. Release the buttons after 10 seconds. Available tests The tests display on the operator panel in the order shown: Note: Some menus are not available, depending on the configuration of the printer.
  • Page 239 7462 Diagnostics Menu tests (Continued) DUPLEX TESTS (if installed) Quick Test “Quick Test (duplex)” on page 3-16 Top Margin “Top Margin (duplex)” on page 3-17 Sensor Test “Sensor Test (duplex)” on page 3-17 “Motor Test (duplex)” on page 3-17 Motor Test “Duplex Feed 1”...
  • Page 240 7462 Diagnostics Menu tests (Continued) PRINTER SETUP Defaults “Defaults” on page 3-22 Printed Page Count “Printed Page Count” on page 3-22 Perm Page Count “Permanent Page Count” on page 3-22 “Serial Number” on page 3-22 Serial Number “Engine Settings 1 through 16” on page 3-22 Envelope Enhance “Engine Settings 1 through 16”...
  • Page 241: Registration (Printer)

    7462 Registration (printer) Print registration makes sure the printing is properly aligned on the page. REGISTRATION Top Margin Bottom Margin Left Margin Right Margin Quick Test Submit Back The settings available are: Description Value Direction of change Top Margin -25 to +25 A positive change moves the image down the page and increases the top margin.
  • Page 242: Quick Test

    7462 To set print registration: 1. Print the Quick Test page. Touch REGISTRATION from the Diagnostics Menu. b. Touch to select Quick Test. You may need to scroll to the next page. Retain this page to determine the changes you need to make to the margins settings. The diamonds in the margins should touch the margins of the page.
  • Page 243: Input Source Tests

    7462 Input source tests The purpose of the diagnostic Print Tests is to verify that the printer can print on media from each of the installed input options. The contents of the Print Test Page varies depending on the media installed in the selected input source.
  • Page 244: Hardware Tests

    7462 The following is included in the DIAGNOSTICS version of the print quality pages: • Values from EP SETUP in DIAGNOSTICS, including: Fuser temperature, warm-up time, transfer, print contrast, charge roll settings and gap adjust. • Contents of the EVENT LOG from DIAGNOSTICS. •...
  • Page 245: Dram Test

    7462 DRAM Test The purpose of this test is to check the validity of DRAM memory, both standard and optional. The test writes patterns of data to DRAM to verify that each bit in memory can be set and read correctly. To run the DRAM Test: 1.
  • Page 246: Usb Hs Test Mode

    7462 USB HS Test Mode 1. Select USB HS Test Mode from HARDWARE TESTS. 2. Press until the appears next to the Port to be tested, and then press 3. Select the desired Test, and then press Port Test Appears on the display Port 0 Test J USB High Speed...
  • Page 247: Top Margin (Duplex)

    7462 Top Margin (duplex) This setting controls the offset between the first scan line on the front of the duplex page and the first scan line on the back of the page. Therefore, be sure to set the top margin in REGISTRATION before setting the duplex “Registration (printer)”...
  • Page 248: Duplex Feed 1

    7462 3. Touch Back or press Stop to exit the test. Duplex Feed 1 This test feeds a blank sheet of paper to the duplex paper stop position 1. This test can be run using any of the supported paper sizes. To run the Duplex Feed 1 Test: 1.
  • Page 249: Input Tray Tests

    7462 INPUT TRAY TESTS Feed Tests (input tray) This test lets the servicer observe the paper path as media is feeding through the printer. A blank sheet of paper feeds through the printer as the laser turns off during this test. The only way to observe the paper path is to open the lower front door that is used to access the envelope or multipurpose feeder.
  • Page 250: Output Bin Tests

    7462 OUTPUT BIN TESTS Feed Tests (output bins) Use these tests to verify that media can be fed to the standard output bin. No information is printed on the media fed to the output bin, because the printhead is not engaged during this test. These tests can use any media size or envelope supported by the printer.
  • Page 251: Device Tests

    7462 DEVICE TESTS Quick Disk Test This test performs a non-destructive read/write on one block per track on the disk. The test reads one block on each track, saves the data, and proceeds to write and read four test patterns to the bytes in the block. If the block is good, the saved data is written back to the disk.
  • Page 252: Printer Setup

    7462 PRINTER SETUP PRINTER SETUP Defaults Printed Page Count Permanent Page Count Serial Number xxxxxxx Engine Setting 1 Engine Setting 2 Submit Back The triangles pointing up or down indicate whether there are additional menus. Touch the up or down arrows to display these additional menus.
  • Page 253: Configuration Id

    7462 Configuration ID The two configuration IDs are used to communicate information about certain areas of the printer that cannot be determined using hardware sensors. The configuration IDs are originally set at the factory when the printer is manufactured, however, the servicer may need to reset Configuration ID 1 or Configuration ID 2 whenever you replace the system board.
  • Page 254: Ep Setup

    7462 EP SETUP EP SETUP EP Defaults Fuser Temp Normal Fuser Page Count Warm Up Time Transfer Medium Print Contrast Medium Submit Back The triangles pointing up or down indicate whether there are additional menus. Touch the up or down arrows to display these additional menus.
  • Page 255: Transfer

    7462 Transfer The transfer can be adjusted to Low, Medium, or High. The default setting is Medium. Touch Back to return to Diagnostics Menu. Print Contrast The print contrast setting controls the developer voltage offset. The print contrast can be adjusted to Low, Medium, or High. The default setting is Medium. Touch Back to return to Diagnostics Menu.
  • Page 256: Print Log

    Page counts for most errors • Additional debug information in some cases The printed event log can be faxed to Lexmark or your next level of support for verification or diagnosis. To print the event log: Touch to select Print Log from EVENT LOG.
  • Page 257: Scanner Tests

    7462 SCANNER TESTS Back Side Scan Uniformity This procedure should be run after the ADF has been replaced. Before proceeding, make sure that the scanner glass and backing material are clean. ASIC Test A pattern appears and ASIC Test Passed displays. If xxxxxx displays, the test was unsuccessful. Press Stop to return to the SCANNER TESTS menu.
  • Page 258: Configuration Menu (Config Menu)

    7462 Configuration menu (CONFIG MENU) Entering Configuration Menu 1. Turn off the printer. 2. Press and hold 2 and 6 buttons simultaneously. 3. Turn on the printer. 4. Release the buttons after 10 seconds. Available menus Note: Some menus are not available, depending on the configuration of the printer. Maintenance Counter Value “Maintenance Counter Value”...
  • Page 259: Maintenance Counter Value

    7462 Touch Exit Config Menu to exit the Configuration Menu, and Resetting the Printer displays. The printer performs a POR, and the printer returns to the ready mode. Exit Config Menu Maintenance Counter Value The current value for the maintenance page counter is displayed. This counter tracks printer usage. A print job containing a single page increments the counter by one and a duplex page by two.
  • Page 260: Usb Scan To Local

    7462 USB Scan to Local To change the USB Scan to Local setting: 1. Touch to select USB Scan to Local from the Configuration Menu. 2. The panel displays the setting's name in the header and [setting's current value] below the header row.
  • Page 261: Reports

    7462 Reports Menu Settings Page To print the Menu Settings Page, touch to select Menu Settings Page from Reports. The message Printing Menu Settings Page is displayed. The following settings are printed: Maintenance Counter Value USB Scan to Local Print Quality Pages Reports SIZE SENSING Panel Menu...
  • Page 262: Panel Menus

    7462 When the setting is Auto, every input option equipped with size sensing hardware automatically registers what size media it contains. When the setting is Off, the media size detected by hardware is ignored. The media size can be set by the operator panel or the data stream. To change the size sensing setting: 1.
  • Page 263: Factory Defaults

    Factory Defaults This setting enables a user to restore all the printer settings to the original factory settings. Selections are Restore Base, Restore STD NET, or Restore LES. Restore LES enables you to remove all Lexmark Embedded Solutions applications (LES).
  • Page 264: Min Copy Memory

    7462 Min Copy Memory 1. Touch to select Min Copy Memory from the Configuration Menu. The panel displays the setting's name in the header and [setting's current value] below the header row. 2. Touch to change the setting. For example, the values may be 25 MB, 35 MB, 50 MB, and 100 MB. The default is 25 MB. Values will only be displayed if the amount of installed DRAM is at least twice the amount of the value, that is, at least 200 MB of installed DRAM is required to display the 100 MB selection.
  • Page 265: Fb Edge Erase

    7462 3. Touch Submit to save the change. Touch Back to cancel and return to the Configuration Menu. FB Edge Erase The ADF Edge Erase and FB Edge Erase settings specify, in millimeters, the size of a border around the scanned image that will be erased.
  • Page 266: Disable Scanner

    7462 d. Use the copy of the Quick Test page to adjust the Left Margin and Top Margin settings. e. Touch Submit. f. Touch Copy Quick Test and compare the new copy to the original. Repeat the flatbed alignment steps until the position on the page of the Quick Test copy closely matches the original.
  • Page 267: Action For Prompts

    7462 Touch Back to exit without changing the value. Action for Prompts 1. Touch to select Action for Prompts from the Configuration Menu. The panel displays the setting's name in the header and [setting's current value] below the header row. 2.
  • Page 268: Jobs On Disk

    7462 Jobs On Disk If the hard disk is installed, Jobs On Disk allows the user to delete buffered jobs saved on the disk. The values are Delete and Do Not Delete. To delete jobs saved on the disk: 1. Touch to select Jobs On Disk from the Configuration Menu.
  • Page 269: Wipe Disk

    7462 The entire process is complete when the progress bar appears completely shaded and the percentage indicator shows 100%. After completion, the panel returns to Disk Encryption. Wipe Disk This setting provides you with a tool for erasing the contents of a disk. Warning: Wipe Disk removes a disk's data in such a way that it cannot be recovered.
  • Page 270: Les Applications

    7462 LES Applications This disables all installed Lexmark Embedded Solution applications. The default is Enabled. To change this setting: 1. Touch to select LES Applications from the Configuration Menu. Note: If an advanced password has been established, you must enter this password in order to change the setting.
  • Page 271: Exit Configuration Menu

    7462 Exit Configuration Menu Touch Exit Config Menu to exit the Configuration Menu. The printer performs a POR, and the printer returns to the ready mode. Exit Config Menu 3-41 Diagnostic aids...
  • Page 272: Printer Configurations

    Floor-mounted configurations require additional furniture for stability. You must use either a printer stand or printer base if you are using a 2000-sheet drawer. Certain other configurations also must have a printer stand or printer base. More information is available on our Lexmark Web site at www.lexmark.com/multifunctionprinters.
  • Page 273: Printer Theory

    7462 Printer theory Models X651, X652, X654 and X656 paper path rolls and sensors PC drum Sensor (input) Standard bin full actuator and sensor (standard bin full) Diverter PC cartridge Sensor (fuser output) Sensor (narrow media) Sensor (option pass through) Sensor (duplex input) Pick arm...
  • Page 274: Model X658 Paper Path Rolls And Sensors

    7462 Model X658 paper path rolls and sensors PC drum Sensor (input) Standard bin full actuator and sensor (standard bin full) Diverter PC cartridge Sensor (fuser output) Sensor (narrow media) Sensor (option pass through) Sensor (duplex input) Pick arm assembly Functions of main components •...
  • Page 275: Rear Media Guide

    7462 Rear media guide The rear media tray guide assembly can be adjusted to different media sizes by moving it to the front or rear. The rear guide should come into contact with the media and hold it in position. Side guide The media tray assembly is designed so it can adapt to the media width in the media feed direction by moving the side guide to the left or right.
  • Page 276: Media Tray Assembly

    7462 Media tray assembly Wear strips Side guides End guides 3-46 Service Manual...
  • Page 277: Detection Of Media Size

    7462 Detection of media size The media size set for the media tray assembly is transmitted to the switch (media size) by moving these guides. The media size is detected by the on/off information of these switches. Pick arm assembly Sensor (media empty) Media out actuator Sensor (media low)
  • Page 278: Sensor (Media Low)

    7462 Sensor (media low) This sensor detects by the actuator position whether media in the media tray assembly is low. When the flag of the actuator blocks, then unblocks the sensing area of the sensor (media low), the media level is determined to be low.
  • Page 279: Sensor (Mpf Media Empty)

    7462 Sensor (MPF media empty) The sensor (MPF media out) detects whether media is present on the MPF. Supported paper sizes, types, and weights The following tables provide information on standard and optional paper sources and the types of paper they support.
  • Page 280 7462 250-or 550-sheet Optional Multipurpose Paper size Dimensions trays (standard 2000-sheet Duplex unit feeder or optional tray DL Envelope 110 x 220 mm (4.3 x 8.7 in) Other Envelope 98 x 162 mm (3.9 x 6.4 in.) to 176 x 250 mm (6.9 x 9.8 in.) This size appears in the Paper Size menu only when the paper source does not support size sensing or when size sensing is turned off.
  • Page 281: Registration

    7462 Registration Aligner assembly Sensor (input) Sensor (input) The sensor (input) is located just before the print cartridge and can detect whether media exists in the input path. Alignment assembly The alignment assembly is used to feed the media through the input path and to ensure that media is fed through the machine in a perfectly straight manner and not in a skewed manner.
  • Page 282: Transfer

    7462 Transfer Transfer roll Transfer roll assembly The transfer roll assembly applies charge to the rear surface of the media when the media passes between the transfer roll assembly and photo conductor (drum). Thus, the toner image is transferred from the photo conductor (drum) surface to the media surface.
  • Page 283: Polygon Printhead Assembly

    7462 Polygon printhead assembly The printhead scans the photo conductor drum surface with a laser beam. It consists of four components: laser diode (LD) card assembly, printhead motor, polygon mirror, and the start of scan card assembly. Polygon printhead 1. LD card assembly – generates the laser beam. The beam is turned on or off according to a print data signal coming from the system card.
  • Page 284: Fuser

    7462 Conceptual diagram of an image created by scanning Fuser Fuser unit assembly 3-54 Service Manual...
  • Page 285: Fuser Components

    7462 Fuser components Heat roll The heat roll is a hollow metal tube with a coated surface. This tube is heated by the inner heater lamp. The heat is applied to the media passing between the heat roll and pressure roll, fusing the toner on the media. 3-55 Diagnostic aids...
  • Page 286: Pressure Roll

    7462 Pressure roll The pressure roll is used to apply pressure to the media surface for fusing. Pressure is applied to the media between the pressure roll and heat roll, pressing the melted toner against the media. Heater lamp The heater lamp is a quartz glass tube containing a heater coil. A terminal is mounted to the end of the heater rod via a harness.
  • Page 287: Fuser Unit Assembly (Type 1 And Type 2)

    7462 Fuser unit assembly (type 1 and type 2) Type 1 fuser unit assembly In the type 1 fuser unit assembly, the detacs, which are used to prevent the media from sticking to the hot roll, do not make contact with the hot roller. The type 1 fuser unit assembly has a life of 300K. Hot roll Fuser lamp Non contact detac...
  • Page 288: Exit

    7462 Exit The standard media exit ejects printed media from the printer to the standard bin . Sensor (standard bin full) The sensor (standard bin full) detects whether the standard bin is full by moving the actuator up and down. Drive Main drive motor assembly The main drive motor is a DC motor that drives the print cartridge, aligner, MFP and fuser.
  • Page 289: Redrive Motor Assembly

    7462 Redrive motor assembly The redrive motor assembly is a DC motor that drives the redrive assembly that transports the media into the standard bin or output option. Redrive motor assembly Main drive motor assembly Electrical components and controller Main cooling fan LVPS card LVPS assembly...
  • Page 290: Main Cooling Fan

    7462 The switch is a safety switch to cut off a 24 VDC power supply from the LVPS card assembly to the high volt power supply (HVPS) card assembly, printer system card assembly and to the main drive motor assembly, while the printer front door assembly is open.
  • Page 291: System Card Assembly

    7462 System card assembly The system card assembly controls printing operation based on the communication with the RIP controller and optional peripherals. It also controls toner dispense, fuser control, sensor switch feedback, drive motors, clutches and solenoids Control Printhead control Rotation of printhead motor The on/off control of the printhead motor is performed according to the mode of operation as shown below.
  • Page 292: Fuser Warm-Up

    7462 Fuser warm-up The fuser warm-up starts at the time of power on, interlock open or close, jam reset, or return from the low power mode, and ends when the ready temperature is attained, when a failure occurs, or when executing diagnosis.
  • Page 293: Charge

    7462 Charge The Charge Roll places a uniform negative electrostatic charge on the surface of the drum. The drum surface is made of a photoconductive material that holds an electrical charge as long as the drum remains in darkness. Light striking the drum discharges the surface charge. HVPS Charge roll (-VDC)
  • Page 294: Development

    7462 This discharge/no discharge process creates an invisible, electrostatic image on the surface of the drum. This image is called a latent image. Modulated Laser Beam Printhead DRUM Drum Surface Drum Surface Image Voltage Laser Beam Laser Beam Discharge Level Invisible Latent Image Development The toner contained within the PC Cartridge has an electrical property that causes it to adhere to the...
  • Page 295: Transfer

    7462 Roll, toner transfers from the Magnet Roll to that point on the drum. There is now a visible toner image on the drum surface. The image is called a developed image. HVPS Developer Metering Roll Blade Toner DRUM -VDC Drum Surface Drum Surface Image...
  • Page 296: Cleaning

    7462 negative electrical charge of the inner conductive layer of the drum and the positive electrical charge of the paper. HVPS -VDC DRUM -VDC Transfer roll Sheet of paper Cleaning The Cleaning Blade removes any toner that remains on the drum after the transfer process. The toner that the Cleaning Blade removes is collected inside the sealed PC Cartridge.
  • Page 297: Auto Density Sensing

    7462 Auto density sensing The image density sensor assembly uses a reflection type sensor that detects a pre-placed toner patch and image on the photoconductor (drum) and outputs pulses when the central line of the patch image aligns with the central line of the detector. The sensor outputs pulses at the timing the patch image passes the sensor. Therefore, observing changes of intervals at which pulses are output leads to toner density detection.
  • Page 298: Document Scanning At Adf

    7462 Document scanning at ADF The document scanning section of this machine consists of a scanner that reads a single-sheet document placed on the platen glass and a document feeder that can transport a multiple-sheet document for one or two- sided scanning.
  • Page 299: Sensor (Fb Scanner Hp)

    7462 Sensor (FB scanner HP) A sensor that detects the HP position of the flatbed scanner CCD assembly. Scanner exposure lamp A xenon lamp to which the document is exposed. Scanner controller card assembly A card that controls the scanner section. Scanner cooling fan A fan that prevents overheating of the scanner controller card assembly and exposure lamp.
  • Page 300: Simplex And Duplex Document Feed

    7462 Shown below is the document feed path from the ADF. Duplex CCD Simplex and duplex document feed For two simplex document sheets, feed is performed in the following sequence: 1. The first document sheet is fed to the ADF transport roll assembly. 2.
  • Page 301: Names And Functions Of Components

    7462 4. As the image is scanned on both sides, the document sheet is fed and ejected by the ADF feed-out roll assembly and ADF exit roll assembly that are driven by the ADF transport motor. Transport motor Pick roll Feed motor Exit roll assembly Names and functions of components...
  • Page 302: Sensor (Adf Sheet Through)

    7462 A card that controls the ADF unit assembly. The ADF controller card assembly is connected to and controlled by the Scanner controller card assembly. Sensor (ADF sheet through) The ADF sensor (ADF sheet through) is installed immediately downstream from the Feed/pick roll assembly to detect completion of document feed.
  • Page 303 7462 This solenoid causes the ADF pick roll to be raised and lowered in order to properly pick the media. Sensor (ADF media length) Sensor (Media exit) Sensor (ADF media width) Sensor (ADF document set) Sensor (ADF lower door interlock) ADF pick solenoid Switch (ADF closed interlock)
  • Page 304: High Capacity Input Tray (Hcit) Tray Assembly

    7462 High Capacity Input Tray (HCIT) tray assembly Rear media tray guide Media end guide Pick arm assembly Media size actuator Sensor (media empty) Sensor (media low) Sensor (pass through) Sensor (tray raised HP) HCF drawer assembly Tray lift drive motor 3-74 Service Manual...
  • Page 305: Sheet/550-Sheet Tray Assembly

    7462 250-sheet/550-sheet tray assembly Lockable back restraint Rear media tray guide Media end guide Auto size finger actuator Media size sensing The media size set for the media tray assembly is set by positioning the right media guide, unlocking the slider lock, and sliding the rear paper guide.
  • Page 306: Media Level Sensing

    7462 Media level sensing The media level for the media tray assembly is triggered by the actuator flag positioned in the two photointerrupter sensors in the pick arm bracket assembly. The actuator flag blocks and unblocks the two sensors in different sequence; it determines whether the paper tray is empty, low, or full. 250-sheet tray Sensor A Sensor B...
  • Page 307 7462 Pick arm assembly Sensor (media empty) Sensor (media low) Sensor (pass through) 250-sheet drawer assembly Pick arm assembly Sensor (media empty) Sensor (media low) Sensor (pass through) 550-sheet drawer assembly 3-77 Diagnostic aids...
  • Page 308: Media Transport Path

    7462 Media transport path The following is a cross section of the printer and the tandem tray module, showing the main components directly associated with the media path and transport. Models X651, X652, X654 and X656 paper path rolls and sensors PC drum Sensor (input) Standard bin full actuator...
  • Page 309: Model X658 Paper Path Rolls And Sensors

    7462 Model X658 paper path rolls and sensors PC drum Sensor (input) Standard bin full actuator and sensor (standard bin full) Diverter PC cartridge Sensor (fuser output) Sensor (narrow media) Sensor (option pass through) Sensor (duplex input) Pick arm assembly Functions of main components When the 250 or 550 sheet input trays are installed under the printer, additional trays are available.
  • Page 310: Wear Strips

    7462 The media tray assembly is designed so it can adapt to the media width in the media feed direction by moving the side guide to the left or right. Wear strips The wear strips are designed to provide a fixed resistance to ensure that a single piece of paper is properly fed out of the media tray.
  • Page 311: Switch (Media Size)

    7462 Switch (media size) This switch (media size) sets the size of media supplied from each media tray assembly. A signal indicating the media size is transmitted as a voltage to the printer system card assembly. Sensor (media empty) If media runs out in a media tray assembly, the actuator lowers and the actuator flag, unlocks the sensing area of the sensor (media empty).
  • Page 312: Duplex

    7462 Duplex Functions of main components When the duplex is installed, duplex (double-sided) printing is available with the printer. The following outlines the functions of the main components of the duplex. Sensor (duplex input) The sensor (duplex wait) detects whether media is remaining in the duplex. Duplex drive motor assembly The duplex drive motor assembly transmits driving force to the two duplex media transport roll assemblies and the duplex media center transport roll assembly middle that feeds media.
  • Page 313: Paper Jams

    7462 Paper jams Understanding jam numbers and locations When a jam occurs, a message indicating the jam location appears. Open doors and covers and remove trays to access jam locations. To resolve any paper jam message, you must clear all jammed paper from the paper path.
  • Page 314 7462 3. Push the release latch, and then open the front cover. 4. Lift and pull the print cartridge out of the printer. Warning: Do not touch the photoconductor drum on the underside of the cartridge. Use the cartridge handle whenever you are holding the cartridge.
  • Page 315: Paper Jam

    7462 6. Remove the jammed paper. CAUTION: The inside of the printer might be hot. To reduce the risk of injury from a hot component, allow the surface to cool before touching. Note: If the paper is not easy to remove, then open the rear door and remove the paper from there. 7.
  • Page 316 7462 3. Pull down the bottom rear door. 4. Push the tab down. 5. Remove the jammed paper. 6. Close the bottom rear door. 7. Insert the standard tray. 8. Touch Continue. 3-86 Service Manual...
  • Page 317: Paper Jams

    7462 240—245 paper jams 1. Touch Status/Supplies to identify the location of the jam. 2. Pull the standard tray out. 3. Remove any jammed paper, and then close the tray. 4. Touch Continue. 5. If the jam message remains, then pull out any optional trays. 6.
  • Page 318: Paper Jam

    7462 250 paper jam 1. Touch Status/Supplies to identify the location of the jam. 2. Remove the paper from the multipurpose feeder. 3. Flex the sheets of paper back and forth to loosen them, and then fan them. Do not fold or crease the paper. Straighten the edges on a level surface.
  • Page 319: Paper Jams

    7462 3. If the jammed envelope has entered the printer and cannot be pulled out, then lift the envelope feeder up and then out of the printer, and then set it aside. 4. Remove the envelope from the printer. Note: If you cannot remove the envelope, then the print cartridge will have to be removed. For more information, see “200 and 203 paper jams”...
  • Page 320 7462 3. Pull the latch of the staple cartridge holder down, and then pull the holder out of the printer. 4. Use the metal tab to lift the staple guard, and then remove any loose staples. 5. Close the staple guard. 3-90 Service Manual...
  • Page 321: Paper Jams

    7462 6. Press down on the staple guard until it snaps into place. 7. Push the cartridge holder firmly back into the stapler unit until the cartridge holder clicks into place. 8. Close the stapler door. 290—294 paper jams 1. Remove all original documents from the ADF. 2.
  • Page 322 7462 4. Open the scanner cover, and then remove any jammed pages. 5. Open the bottom ADF door, and then remove any jammed pages. 6. Close the bottom ADF door and scanner cover. 7. Touch Restart Job. 3-92 Service Manual...
  • Page 323: Adjusting Skew

    7462 Adjusting skew For flatbed scanner and ADF skew adjustment, refer to the examples below to identify if “negative” or “positive” skew is present; this will help with determining the correct adjustment to be made. 3-93 Diagnostic aids...
  • Page 324: Flatbed Scanner Skew Adjustment

    7462 Flatbed scanner skew adjustment 1. Remove the scanner cover, left. Go to “Scanner cover, left removal (models X651, X652, X654 and X656)” on page 4-126 “Scanner cover, left removal (model X658)” on page 4-127. 2. To adjust flatbed scanner skew, loosen the screws (A) and slide the scanner rod mounting plate left or right accordingly and retighten screws (A).
  • Page 325 7462 3. For negative skew, rotate the document tray clockwise as shown above. 4. For positive skew, rotate the document tray counterclockwise as shown above. 5. After skew correction has been made, tighten the document tray screws, and reinstall the ADF front and rear covers.
  • Page 326: Adf Skew Adjustment (Via Duplex Ccd Assembly)

    7462 ADF skew adjustment (Via duplex CCD assembly) 1. Remove the ADF cover, front. Go to “ADF cover, front removal (models X651, X652, X654, X656, and X658)” on page 4-62. 3-96 Service Manual...
  • Page 327 7462 2. Loosen the M4 screw (A) on the right below. 3. Turn the skew adjustment screw (B) (to the left, below) appropriately - clockwise for negative skew and counterclockwise for positive skew. Note: Each full turn of the adjustment screw yields .5 mm of skew correction. The maximum adjustment is three turns for clockwise movement of the screw, and four turns for counterclockwise movement.
  • Page 328: Security Reset Jumper

    7462 Security Reset Jumper The Security Reset Jumper is available on all high-end printer and MFP models, including the T650, T652, T654, X652, X654, X656, and X658. It functions as described below (excerpt from the RIP Functional Spec): Security Reset Jumper Each device contains a hardware jumper with which an administrator can: •...
  • Page 329 7462 3. Remove the small yellow jumper that covers a pair of the jumper’s pins. Rear Front Bottom 4. Replace the small yellow jumper so that it covers the pins adjacent to its original position. 5. Replace and secure the Kensington lock on the card cage (if installed). 6.
  • Page 330 7462 3-100 Service Manual...
  • Page 331: Repair Information

    7462 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 332: Adjustments

    7462 Adjustments Polygon printhead mechanical registration adjustment Do the printhead mechanically registration adjustment whenever you remove or replace the printhead or loosen the mounting screws. Install the new printhead with the mounting screws centered in the slots in the printhead frame assembly. Leave the screws loose enough to allow the printhead to move from side to side within the slots.
  • Page 333: Alignment Assembly Adjustment

    7462 Alignment assembly adjustment Do the alignment assembly adjustment whenever you replace the alignment assembly. Always print a copy of the Quick Test Page before making any adjustments to the alignment assembly reference adjustment screw. When replacing the alignment assembly, it is necessary to back the reference adjustment screw out far enough to remove the old assembly and install the new one.
  • Page 334: Fuser Solenoid Adjustment

    7462 a new test page until you obtain the results you want. Fuser solenoid adjustment Perform the fuser solenoid adjustment whenever you replace the fuser solenoid. Adjust the fuser solenoid while installed in the printer. Adjust the screw on the eccentric mounted on the solenoid housing to provide an air gap between the rear of the solenoid stator and the solenoid armature.
  • Page 335: Removal Procedures

    7462 Removal procedures Before starting service work CAUTION: Remove the power cord from the electrical outlet before you connect or disconnect any cable or electronic board or assembly. CAUTION: While performing service around the fuser assembly, ensure the fuser area has cooled down. Note: Some removal procedures require removing cable ties.
  • Page 336: Charge Roll Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Charge roll assembly removal (X651, X652, X654, X656, and X658) WARNING: When removing the charge roll assembly, avoid touching the charge roll surface. 1. Open the MPF door assembly. 2. Open the operator panel door assembly or the print cartridge door assembly. 3.
  • Page 337: Duplex Assembly Removal (X654, X656, And X658)

    7462 Duplex assembly removal (X654, X656, and X658) Note: When removing the duplex drive motor assembly, it does not need to be completely removed from the machine. It may be allowed to gently hang out of the way by the harness. “Duplex drive motor assembly removal (X654, X656, and 1.
  • Page 338: Duplex Cooling Fan Removal (X654, X656, And X658)

    7462 Duplex cooling fan removal (X654, X656, and X658) “Side cover, right removal (models X651, X652, X654, and X656)” on 1. Remove the side cover, right. See page 4-114. 2. Remove the screw (A) securing the duplex cooling fan to the machine. 3.
  • Page 339: Duplex Drive Motor Assembly Removal (X654, X656, And X658)

    7462 Duplex drive motor assembly removal (X654, X656, and X658) “Fuser access door assembly removal (X651, X652, X654, X656, 1. Remove the fuser access door. See and X658)” on page 4-12. 2. Remove the cover assembly, rear lower. See “Cover assembly, rear lower (X654, X656, and X658)” on page 4-39.
  • Page 340: Duplex Input Sensor Assembly Removal (X654, X656, And X658)

    7462 7. Remove the harness (E) from the duplex drive motor assembly. Replacement Warning: When replacing the duplex drive motor assembly, ensure that all harnesses are properly re-routed. Replacement Note: Ensure the belt is replaced properly. Duplex input sensor assembly removal (X654, X656, and X658) 1.
  • Page 341 7462 4. Detach the front right duplex guide spring (B) from the duplex guide assembly, front. 5. Fully open the duplex guide assembly, front 90°, and detach it from the machine. 6. Remove the duplex guide assembly, front. 4-11 Repair information...
  • Page 342: Media Turn Guide Removal (X651, X652, X654, X656, And X658)

    7462 Media turn guide removal (X651, X652, X654, X656, and X658) “Operator panel assembly removal (model X658)” on 1. Remove the MPF tray door assembly. See page 4-106 “MPF tray door assembly removal (models X651, X652, X654, and X656)” on page 4-93.
  • Page 343: Main Cooling Fan Removal (X651, X652, X654, X656, And X658)

    7462 2. Press the two tabs (A) on the fuser access door assembly, and detach it from the machine. 3. Swing the fuser access door assembly away from the machine. 4. Unsnap the fuser access door assembly from the machine. 5.
  • Page 344 7462 “Side cover, left removal (models X651, X652, X654, and X656)” on 1. Remove the side cover, left. See page 4-115 “Side cover, left removal (model X658)” on page 4-114. 2. Remove the six screws (A) securing the metal shield to the machine. 3.
  • Page 345: Fuser Drive Release Linkage Removal (X651, X652, X654, X656, And X658)

    7462 7. Remove the fuser cooling fan connection (C). Fuser drive release linkage removal (X651, X652, X654, X656, and X658) 1. Remove the system card assembly. See “System card assembly removal (X651, X652, X654, X656, and X658)” on page 4-51. 2.
  • Page 346: Fuser Wiper Cover Assembly Removal (X651, X652, X654, X656, And X658)

    7462 5. While pressing the two buttons (A), pull the fuser unit assembly from the machine. Replacement Warning: When replacing the fuser unit assembly, ensure that the electrical connection (B) and the two buttons (A) are properly secured. Fuser wiper cover assembly removal (X651, X652, X654, X656, and X658) 1.
  • Page 347: Hvps Card Assembly Removal (X651, X652, X654, X656, And X658)

    7462 HVPS card assembly removal (X651, X652, X654, X656, and X658) “Side cover, right removal (models X651, X652, X654, and X656)” on 1. Remove the side cover, right. See page 4-114 “Side cover, right removal (model X658)” on page 4-113. 2.
  • Page 348: Option Drive Shaft Removal (X651, X652, X654, X656, And X658)

    7462 2. Release the two hooks (A) securing the lower portion of the inner deflector to the machine. 3. Remove the inner deflector. Replacement Warning: When replacing the inner deflector, ensure that it is properly installed, or jamming will occur. Option drive shaft removal (X651, X652, X654, X656, and X658) 1.
  • Page 349 7462 3. Remove the spring. Replacement Warning: When replacing the option drive shaft, ensure that the plastic hook (A) is not damaged, or the option drive shaft will not remain secured. 4-19 Repair information...
  • Page 350: Main Drive Motor Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Main drive motor assembly removal (X651, X652, X654, X656, and X658) 1. Remove the system card assembly. See “System card assembly removal (X651, X652, X654, X656, and X658)” on page 4-51. 2. Remove the fuser drive release linkage. See “Fuser drive release linkage removal (X651, X652, X654, X656, and X658)”...
  • Page 351: Alignment Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Alignment assembly removal (X651, X652, X654, X656, and X658) WARNING: When replacing the alignment assembly, ensure that the media skew is properly adjusted using “Alignment assembly adjustment” on page 4-3. the adjuster screw (C), or jamming will occur. See 1.
  • Page 352 7462 “MPF pick solenoid assembly removal (X651, X652, 5. Remove the MPF pick solenoid assembly. See X654, X656, and X658)” on page 4-26. 6. Remove the two screws (B) securing the alignment assembly to the machine. Note: The adjuster screw (C) requires a hex wrench to loosen and tighten. Note: The adjuster screw (C) can be accessed through the hole (D) in the system card.
  • Page 353: Media Out Actuator Removal (X651, X652, X654, X656, And X658)

    7462 Media out actuator removal (X651, X652, X654, X656, and X658) “Pick arm assembly removal (X651, X652, X654, X656, and X658)” 1. Remove the pick arm assembly. See on page 4-29. 2. Release the hook (A) securing the media out actuator to the unit. 3.
  • Page 354: Tray Roller Catch Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Tray roller catch assembly removal (X651, X652, X654, X656, and X658) 1. Remove the media tray. 2. Remove the HVPS card assembly. See “HVPS card assembly removal (X651, X652, X654, X656, and X658)” on page 4-17. 3. Release the spring from the machine. Note: The tray roller catch assembly should be removed from the media tray cabinet.
  • Page 355: Mpf Lift Plate Assembly Removal (X651, X652, X654, X656, And X658)

    7462 MPF lift plate assembly removal (X651, X652, X654, X656, and X658) “Media turn guide removal (X651, X652, X654, X656, and X658)” on 1. Remove the media turn guide. See page 4-12. 2. Remove the four screws (A) securing the MPF lift plate assembly to the machine. 3.
  • Page 356: Mpf Pick Roll Assembly Removal (X651, X652, X654, X656, And X658)

    7462 MPF pick roll assembly removal (X651, X652, X654, X656, and X658) “Media turn guide removal (X651, X652, X654, X656, and X658)” on 1. Remove the media turn guide. See page 4-12. 2. Remove the E-clip (A) securing the MPF print roll assembly to the machine. 3.
  • Page 357 7462 3. Remove the six screws (A) securing the metal cover to the machine. 4. Remove the metal cover. 4-27 Repair information...
  • Page 358 7462 5. Remove the screw (B) securing the MPF pick solenoid assembly to the machine. 6. Remove the MPF pick solenoid assembly. 7. Disconnect the connection (C) from the MPF pick solenoid assembly. 4-28 Service Manual...
  • Page 359: Pick Arm Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Pick arm assembly removal (X651, X652, X654, X656, and X658) 1. Remove the media tray from the machine. 2. Place the machine on the left or right side. 3. Remove the spring (A). 4. Remove the two E-clips (B) securing the pick arm assembly to the machine. 4-29 Repair information...
  • Page 360 7462 5. Remove the screw (C) securing the pick arm assembly to the machine. 6. Remove the band (D) from the pick arm assembly. 7. Remove the cover from the pick arm assembly. 8. Remove the three connections (E) from the pick arm assembly. 9.
  • Page 361: Pick Roll Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Pick roll assembly removal (X651, X652, X654, X656, and X658) 1. Remove the media tray. 2. Gently pull the pick arm assembly down, and release the two hooks (A) securing the two pick roll assemblies. 3. Remove the two pick roll assemblies. Replacement Warning: When replacing the pick roll assembly, do not touch the rubber surface.
  • Page 362: Print Cartridge Clamp Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Print cartridge clamp assembly removal (X651, X652, X654, X656, and X658) Note: This procedure can be applied to the left or right printer cartridge hold down assembly. “Laser cover removal (models X651, X652, X654, and X656)” on 1. Remove the laser cover. See page 4-102 “Laser cover removal (model X658)”...
  • Page 363: Print Cartridge Id Connector Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Print cartridge ID connector assembly removal (X651, X652, X654, X656, and X658) 1. Remove the print cartridge. 2. Remove the main drive motor assembly. See “Main drive motor assembly removal (X651, X652, X654, X656, and X658)” on page 4-20. 3.
  • Page 364: Printhead Assembly Removal (X654, X656, And X658)

    7462 Printhead assembly removal (X654, X656, and X658) WARNING: When replacing the printhead assembly, ensure that the printhead skew is properly adjusted, or “Polygon printhead mechanical registration adjustment” on page 4-2. print quality issues will occur. See 1. Remove the laser cover. See “Laser cover removal (models X651, X652, X654, and X656)”...
  • Page 365: Connection Access Cover, Rear Removal (X651, X652, X654, X656, And X658)

    7462 5. Remove the four screws (C) securing the printhead assembly to the machine. 6. Remove the printhead assembly. Replacement Warning: When replacing the printhead assembly, ensure that the printhead skew is properly “Polygon printhead mechanical registration adjustment” adjusted, or print quality issues will occur. See on page 4-2.
  • Page 366: Connection Bezel Assembly, Rear Removal (X651 And X652)

    7462 Connection bezel assembly, rear removal (X651 and X652) “Side cover, left removal (models X651, X652, X654, and X656)” on 1. Remove the side cover, left. See page 4-115. 2. Remove the cover assembly, rear lower. See “Cover assembly, rear lower (X654, X656, and X658)” on page 4-39.
  • Page 367: Door Assembly, Rear Removal (X651, X652, X654, X656, And X658)

    7462 Door assembly, rear removal (X651, X652, X654, X656, and X658) 1. Pull the door assembly, rear away from the machine. 2. Twist the door strap left or right until vertical, and pull the strap out of the slot. 3. Position the door assembly, rear at a 45° angle as shown in the picture. 4.
  • Page 368 7462 6. Detach the rear duplex guide spring (C). 7. Remove the duplex guide assembly, rear. 8. Remove the screw (D) securing the rear duplex guide handle to the assembly. 9. Remove the duplex guide assembly, rear. 4-38 Service Manual...
  • Page 369: Cover Assembly, Rear Lower (X654, X656, And X658)

    7462 Cover assembly, rear lower (X654, X656, and X658) 1. Open the rear lower door. 2. Remove the four screws (A) securing the cover assembly, rear lower to the machine. 3. Remove the cover assembly, rear lower. Redrive motor assembly removal (X654, X656, and X658) 1.
  • Page 370 7462 3. Remove the metal cover. 4. Disconnect the connection (B) from the redrive motor assembly. 5. Disconnect the connection (C) from the sensor (standard media bin full). 4-40 Service Manual...
  • Page 371 7462 6. Release the hooks (D) securing the output option interface cable assembly to the machine. 7. Detach the output option cable assembly. 8. Remove the two screws (E) securing the redrive motor assembly to the machine. 9. Remove the redrive motor assembly. 4-41 Repair information...
  • Page 372: Sensor (Duplex Input) Removal (X654, X656, And X658)

    7462 Sensor (duplex input) removal (X654, X656, and X658) “Duplex input sensor assembly removal (X654, X656, 1. Remove the duplex input sensor assembly. See and X658)” on page 4-10. 2. Release the hooks (A) securing the senor (duplex media path) to the bracket. 3.
  • Page 373: Sensor (Toner Empty) Removal (X651, X652, X654, X656, And X658)

    7462 Sensor (toner empty) removal (X651, X652, X654, X656, and X658) “HVPS card assembly removal (X651, X652, X654, X656, and 1. Remove the HVPS card assembly. See X658)” on page 4-17. 2. Remove the screw (A) securing the sensor (toner empty) to the machine. 3.
  • Page 374: Sensor Shield Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Sensor shield assembly removal (X651, X652, X654, X656, and X658) “Inner deflector removal (X651, X652, X654, X656, and X658)” on 1. Remove the inner deflector. See page 4-17. 2. Gently unsnap the sensor shield assembly from the machine. 3. Remove the sensor shield assembly. Replacement Warning: When replacing the sensor shield assembly, ensure that the spring (A) is properly aligned and the sensor shield assembly opens and closes properly.
  • Page 375: Standard Bin Actuator Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Standard bin actuator assembly removal (X651, X652, X654, X656, and X658) “Laser cover removal (models X651, X652, X654, and X656)” on 1. Remove the laser cover. See page 4-102 “Laser cover removal (model X658)” on page 4-100. 2. Disconnect the connection (A) from the standard bin actuator assembly. 3.
  • Page 376: Sensor (Toner Density) Removal (X651, X652, X654, X656, And X658)

    7462 Sensor (toner density) removal (X651, X652, X654, X656, and X658) “Sensor shield assembly removal (X651, X652, X654, X656, 1. Remove the sensor shield assembly. See and X658)” on page 4-44. 2. Remove the two screws (A) securing the sensor (toner density) to the machine. 3.
  • Page 377 7462 4. Remove the media tray. 5. Gently place the machine on the left of right side. 6. Release the two hooks (B) securing the switch (media size) assembly to the machine. 7. Remove the switch (media size) assembly. 8. Disconnect the connection (C) from the switch (media size) assembly. 4-47 Repair information...
  • Page 378: Lvps Card Assembly Removal (X654, X656, And X658)

    7462 LVPS card assembly removal (X654, X656, and X658) WARNING: When replacing the LVPS card assembly, ensure that the voltage selection switch is set to the proper setting, or damage will occur. 1. Remove the door assembly, rear. See “Door assembly, rear removal (X651, X652, X654, X656, and X658)”...
  • Page 379: Access Door Removal (X651, X652, X654, X656, And X658)

    7462 6. Disconnect the connector (C) from the LVPS card assembly. 7. Remove the LVPS card assembly. Replacement Warning: When replacing the LVPS card assembly, ensure that all connections are replaced. Replacement Warning: When replacing the LVPS card assembly, ensure that the connector pins (D) properly engage the system card.
  • Page 380 7462 2. Gently detach the two hinges (A) of the access door from the machine. 3. Remove the access door. 4-50 Service Manual...
  • Page 381: System Card Assembly Removal (X651, X652, X654, X656, And X658)

    7462 System card assembly removal (X651, X652, X654, X656, and X658) CAUTION This product contains a lithium battery. THERE IS A RISK OF EXPLOSION IF THE BATTERY IS REPLACED BY AN INCORRECT TYPE. Discard used batteries according to the battery manufacturer’s instructions and local regulations.
  • Page 382 7462 4. Remove the metal shield. WARNING: When disconnecting all the electrical connections, ensure that the connectors and harnesses do not become damaged. 5. Disconnect all connections from the system card assembly. Note: There are two fine thread screws and four course thread screws securing the system card assembly to the machine, ensure that these screws are properly reinstalled.
  • Page 383 7462 WARNING: When removing the system card assembly from the machine, ensure that the LVPS assembly connection (C) does not become damaged. 7. Remove the system card assembly. 8. Remove any remaining screws securing the system card assembly to the metal box. 9.
  • Page 384: Transfer Roll Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Transfer roll assembly removal (X651, X652, X654, X656, and X658) 1. Open the operator panel door assembly. 2. Remove the print cartridge. 3. Gently unsnap the transfer roll assembly from the machine. 4. Remove the transfer roll assembly. Replacement Warning: When replacing the transfer roll assembly, do not touch the foam surface. 4-54 Service Manual...
  • Page 385: Transfer Roll Bracket Assembly, Left Removal (X651, X652, X654, X656, And X658)

    7462 Transfer roll bracket assembly, left removal (X651, X652, X654, X656, and X658) “Transfer roll assembly removal (X651, X652, X654, X656, and 1. Remove the transfer roll assembly. See X658)” on page 4-54. 2. Remove the inner deflector. See “Inner deflector removal (X651, X652, X654, X656, and X658)” on page 4-17.
  • Page 386 7462 3. Remove the screw (A) securing the transfer roll bracket assembly, right to the machine. 4. Remove the transfer roll bracket assembly, right. 4-56 Service Manual...
  • Page 387: Transfer Deflector Removal (X651, X652, X654, X656, And X658)

    7462 Transfer deflector removal (X651, X652, X654, X656, and X658) “Transfer roll assembly removal (X651, X652, X654, X656, and 1. Remove the transfer roll assembly. See X658)” on page 4-54. 2. Gently unsnap the transfer deflector from the machine. 3. Remove the transfer deflector. 4.
  • Page 388: Redrive Assembly Removal (X651, X652, X654, X656, And X658)

    7462 Redrive assembly removal (X651, X652, X654, X656, and X658) “Door assembly, rear removal (X651, X652, X654, X656, and 1. Remove the door assembly, rear. See X658)” on page 4-37. 2. Open the fuser access door. 3. Remove the two screws (A) securing the redrive assembly to the machine. 4.
  • Page 389: Adf Feed / Pick Roll Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 Rear Right Front Left ADF feed / pick roll assembly removal (models X651, X652, X654, X656, and X658) 1. Lift the ADF top door assembly. 2. Slide the ADF pick roll assembly to the front. 3. Lift the rear of the ADF pick roll assembly. 4.
  • Page 390: Adf Separator Roll Removal

    7462 ADF separator roll removal 1. Lift the ADF top door assembly. 2. Remove the ADF feed / pick roll assembly. See “ADF feed / pick roll assembly removal (models X651, X652, X654, X656, and X658)” on page 4-59. 3. Remove the access cover. 4.
  • Page 391: Adf Separator Torque Limiter Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 ADF separator torque limiter assembly removal (models X651, X652, X654, X656, and X658) 1. Lift the ADF top door assembly. “ADF feed / pick roll assembly removal (models X651, 2. Remove the ADF feed / pick roll assembly. See X652, X654, X656, and X658)”...
  • Page 392: Adf Cover, Front Removal (Models X651, X652, X654, X656, And X658)

    7462 5. Slide the ADF separator torque limiter assembly to the front, and remove. ADF cover, front removal (models X651, X652, X654, X656, and X658) 1. Lift the ADF top door assembly. 2. Remove two screws (A) from the top of the front cover assembly. 3.
  • Page 393: Adf Cover, Rear Removal (Models X651, X652, X654, X656, And X658)

    7462 ADF cover, rear removal (models X651, X652, X654, X656, and X658) 1. Lift the ADF left door cover. 2. Remove two metal screws (A). 3. Remove the plastic screw (B) from the right side of the ADF cover, rear. 4.
  • Page 394: Adf Top Door Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 ADF top door assembly removal (models X651, X652, X654, X656, and X658) “ADF cover, front removal (models X651, X652, X654, X656, and 1. Remove the ADF cover, front. See X658)” on page 4-62. 2. Remove the ADF cover, rear. See “ADF cover, rear removal (models X651, X652, X654, X656, and X658)”...
  • Page 395: Adf Controller Card Removal (Models X651, X652, X654, X656, And X658)

    7462 7. Pry out the front tabs (D). 8. Remove the ADF top door assembly. ADF controller card removal (models X651, X652, X654, X656, and X658) “ADF cover, rear removal (models X651, X652, X654, X656, and 1. Remove the ADF cover, rear. See X658)”...
  • Page 396: Adf Platen Cushion Removal (Models X651, X652, X654, X656, And X658)

    7462 ADF platen cushion removal (models X651, X652, X654, X656, and X658) 1. Lift the ADF unit assembly. 2. Unfasten the velcro. 3. Remove the ADF platen cushion. ADF lower door assembly removal (models X651, X652, X654, X656, and X658) “ADF platen cushion removal (models X651, X652, X654, X656, 1.
  • Page 397: Adf Duplex Ccd Scan Glass Assembly Removal (Models X654, X656, And X658)

    7462 ADF duplex CCD scan glass assembly removal (models X654, X656, and X658) “ADF platen cushion removal (models X651, X652, X654, X656, 1. Remove the ADF platen cushion. See and X658)” on page 4-66. 2. Open the ADF lower door assembly. 3.
  • Page 398: Adf Duplex Ccd Assembly Removal (Models X654, X656, And X658)

    7462 ADF duplex CCD assembly removal (models X654, X656, and X658) CAUTION: When you see this symbol, there is a danger from hazardous voltage in the area of the product where you are working. Unplug the product before you begin, or use caution if the product must receive power in order to perform the task.
  • Page 399 7462 4. Remove the two screws (C) securing the paper guide and remove. 5. Remove the three screws (D) from the underside of the ADF unit assembly securing the ADF duplex CCD assembly to the ADF. 6. Carefully, remove the ADF duplex CCD assembly from the underside of the ADF unit assembly. Replacement note: You must adjust skew after reinstalling the ADF duplex CCD assembly.
  • Page 400: Adf Pinch Roll Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 ADF pinch roll assembly removal (models X651, X652, X654, X656, and X658) “ADF top door assembly removal (models X651, X652, 1. Remove the ADF top door assembly. See X654, X656, and X658)” on page 4-64. 2. Remove the two screws (A) on either side of the ADF pinch roll assembly. 3.
  • Page 401: Adf Turn Guide Removal (Models X651, X652, X654, X656, And X658)

    7462 ADF turn guide removal (models X651, X652, X654, X656, and X658) “ADF pinch roll assembly removal (models X651, X652, 1. Remove the ADF pinch roll assembly. See X654, X656, and X658)” on page 4-70. 2. Remove the ADF separator torque limiter assembly. See “ADF separator torque limiter assembly removal (models X651, X652, X654, X656, and X658)”...
  • Page 402: Adf Media Pinch Pad Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 5. Pivot the turn guide out from the front side, giving room to dislodge the locating pins (B) from the rear. 6. Remove the ADF turn guide. ADF media pinch pad assembly removal (models X651, X652, X654, X656, and X658) 1.
  • Page 403: Sensor (Adf Media Exit) Fan Bracket Assembly Removal (Models X654, X656, And X658)

    7462 4. Remove the four screws (A) securing the ADF media pinch pad assembly. 5. Remove the ADF media pinch pad assembly. Sensor (ADF media exit) fan bracket assembly removal (models X654, X656, and X658) 1. Remove the ADF cover, front. See “ADF cover, front removal (models X651, X652, X654, X656, and X658)”...
  • Page 404: Adf Feed Drive Motor Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 ADF transport drive motor bracket assembly w/cable removal (models X651, X652, X654, X656, & X658) “ADF cover, rear removal (models X651, X652, X654, X656, and 1. Remove the ADF cover, rear. See X658)” on page 4-63. 2. Remove the ADF transport drive motor bracket tension spring (A). 3.
  • Page 405 7462 5. Remove the bushing from the pick roll feed shaft. 6. Remove the six screws (B) securing the ADF feed motor assembly to the ADF unit assembly. 7. Remove the ADF feed motor assembly to include two belts and cable. 4-75 Repair information...
  • Page 406: Adf Pick Roll Position Cam Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 ADF pick roll position cam assembly removal (models X651, X652, X654, X656, and X658) “ADF cover, front removal (models X651, X652, X654, X656, and 1. Remove the ADF cover, front. See X658)” on page 4-62. “ADF feed / pick roll assembly removal (models X651, 2.
  • Page 407: Adf Solenoid Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 ADF solenoid assembly removal (models X651, X652, X654, X656, and X658) “ADF cover, front removal (models X651, X652, X654, X656, and 1. Remove the ADF cover, front. See X658)” on page 4-62. 2. Remove the pick roll position cam assembly spring from the cam shaft lever. 3.
  • Page 408: Sensor (Adf Lower Door Interlock) Removal (Models X651, X652, X654, X656, And X658)

    7462 Sensor (ADF lower door interlock) removal (models X651, X652, X654, X656, and X658) “ADF cover, front removal (models X651, X652, X654, X656, and 1. Remove the ADF cover, front. See X658)” on page 4-62. “ADF platen cushion removal (models X651, X652, X654, X656, 2.
  • Page 409: Sensor (Adf 1St Scan) Removal (Models X651, X652, X654, X656, And X658)

    7462 3. Remove the sensor from the pinch pad mounting bracket assembly by squeezing the tabs (A) on the sensor. 4. Remove the sensor (ADF 2nd scan). Sensor (ADF 1st scan) removal (models X651, X652, X654, X656, and X658) 1. Remove the ADF turn guide. See “ADF turn guide removal (models X651, X652, X654, X656, and X658)”...
  • Page 410: Sensor (Adf Sheet Through) Removal (Models X651, X652, X654, X656, And X658)

    7462 Sensor (ADF sheet through) removal (models X651, X652, X654, X656, and X658) “ADF turn guide removal (models X651, X652, X654, X656, and 1. Remove the ADF turn guide. See X658)” on page 4-71. 2. Remove the screw (A) securing the sensor (ADF sheet through) to its bracket. 3.
  • Page 411: Sensor (Adf Document Set) Removal (Models X651, X652, X654, X656, And X658)

    7462 Sensor (ADF document set) removal (models X651, X652, X654, X656, and X658) “ADF document tray assembly removal (models X651, 1. Remove the ADF document tray assembly. See X652, X654, X656, and X658)” on page 4-63. 2. Remove the three screws (A) securing the separator guide to the ADF frame. 3.
  • Page 412: Switch (Adf Closed Interlock) Removal (Models X651, X652, X654, X656, And X658)

    7462 6. Remove the screw (C) securing the sensor (ADF document set) to the bracket. Switch (ADF closed interlock) removal (models X651, X652, X654, X656, and X658) “ADF cover, rear removal (models X651, X652, X654, 1. Remove the ADF cover, rear assembly. See X656, and X658)”...
  • Page 413: Adf Unit Assembly Removal (Models X651, X652, X654 And X656)

    7462 ADF unit assembly removal (models X651, X652, X654 and X656) “Scanner cover, rear removal (models X651, X652, X654, X656, 1. Remove the scanner cover, rear. See and X658)” on page 4-125. 2. Remove the scanner cover, left. See “Scanner cover, left removal (models X651, X652, X654 and X656)”...
  • Page 414: Adf Left Hinge Removal (Models X651, X652, X654, X656, And X658)

    7462 6. Remove the two thumb screws (A) on both sides of the ADF unit. 7. Slide ADF unit to the rear, lift up, and remove the ADF unit assembly. Replacement note: You must adjust skew after reinstalling the ADF unit assembly. Go to “Adjusting skew”...
  • Page 415: Adf Right Hinge Removal (Models X651, X652, X654, X656, And X658)

    7462 3. Remove the screw (A). 4. Remove the ADF left hinge. ADF right hinge removal (models X651, X652, X654, X656, and X658). “ADF unit assembly removal (models X651, X652, X654 and 1. Remove the ADF unit assembly. See X656)” on page 4-83.
  • Page 416: Cover, Left Rear Corner Removal (Model X658)

    7462 4. Remove the ADF right hinge. Cover, left rear corner removal (model X658) 1. Remove the scanner support cover, left rear. See “Scanner support cover, left rear removal (model X658)” on page 4-142. 2. Remove the two screws (A) securing the cover, left rear corner to the machine. 3.
  • Page 417: Sensor (Adf Media Exit) Fan Bracket Assembly Removal (Models X652, X654, X656, And X658)

    7462 3. Remove the two screws (A) securing the cover, right rear corner. 4. Lift and remove the cover, right rear corner. Sensor (ADF media exit) fan bracket assembly removal (models X652, X654, X656, and X658) 1. Open the upper rear door. 2.
  • Page 418: Sensor (Adf Media Exit) Bracket Assembly Removal (X651)

    7462 4. Using a flat-blade screwdriver, press on the tab (A) securing the sensor (ADF media exit) fan bracket assembly. 5. Position the sensor (ADF media exit) fan bracket assembly where the laser cover can be removed. “Laser cover removal (model X658)” on page 4-100.
  • Page 419: Scanner Ccd Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 Scanner CCD assembly removal (models X651, X652, X654, X656, and X658) CAUTION: When you see this symbol, there is a danger from hazardous voltage in the area of the product where you are working. Unplug the product before you begin, or use caution if the product must receive power in order to perform the task.
  • Page 420: Scanner Reference Led Cable Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 Scanner reference LED cable assembly removal (models X651, X652, X654, X656, and X658) “Scanner platen glass cover assembly removal 1. Remove the scanner platen glass cover assembly. See (models X651, X652, X654 and X656)” on page 4-132 “Scanner platen glass cover assembly removal (model X658)”...
  • Page 421 7462 6. Remove the two plastic screws (C) securing the right side of the scanner unit assembly to the printer. 7. Remove the screw (D) securing the ground strap to the frame of the scanner unit assembly. 8. Carefully slide the scanner unit assembly to the front, and lift up. 4-91 Repair information...
  • Page 422: Scanner Unit Assembly Removal (Model X658)

    7462 Scanner unit assembly removal (model X658) “ADF unit assembly removal (model X658)” on page 4-83. 1. Remove the ADF unit assembly. See 2. Remove the side cover, left. See “Side cover, left removal (model X658)” on page 4-114. 3. Remove the scanner controller card cage cover. 4.
  • Page 423: Mpf Tray Door Assembly Removal (Models X651, X652, X654, And X656)

    7462 MPF tray door assembly removal (models X651, X652, X654, and X656) 1. Open the MPF tray door. 2. Carefully pry the left and right manual feeder tabs out of the slots in the manual feed tray. 3. Rotate the manual feeder vertical and pull straight up to remove the feeder. 4.
  • Page 424 7462 5. Bow the door slightly to remove the right side hinge pin. 6. Slide the door assembly to the left until the door clears all the pins (B). 4-94 Service Manual...
  • Page 425: Mpf Tray Door Assembly Removal (Model X658)

    7462 7. Continue to slide the MPF tray door assembly to the left, and remove. MPF tray door assembly removal (model X658) 1. Open the MPF tray door assembly. 2. Remove the MPF media guide assembly. See “MPF media guide assembly removal (model X658)” on page 4-105.
  • Page 426 7462 4. Remove the left clip (B) securing the front door tension link. 5. Remove the left tension link. 6. Pull the right tension link from the hinge. 7. Slide the MPF tray door assembly to the left until all the bosses clear the hinges. 8.
  • Page 427: Fuser Access Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 Fuser access assembly removal (models X651, X652, X654, X656, and X658) “Door assembly, rear removal (models X651, X652, X654, X656, 1. Remove the door assembly, rear. See and X658)” on page 4-116. 2. Pull the fuser access assembly out to remove. Output cover assembly removal (model X651, X652, X654 and X656) 1.
  • Page 428: Output Cover Assembly Removal (Model X658)

    7462 2. Remove the three screws (A) securing the output cover assembly to the machine. 3. Remove the output cover assembly. Output cover assembly removal (model X658) 1. Open the door assembly, rear. 2. Lift the right side of the fuser exit access panel and remove. Redrive assembly removal (model X658) 1.
  • Page 429: Redrive Assembly Removal (Models X651, X652, X654, And X656)

    7462 4. Release the left and right clips (B). 5. Remove the redrive assembly. Redrive assembly removal (models X651, X652, X654, and X656) “Fuser access assembly removal (models X651, X652, X654, 1. Remove the fuser access assembly. See X656, and X658)” on page 4-97.
  • Page 430: Laser Cover Removal (Model X658)

    7462 4. Release the left and right clips (B). 5. Remove the redrive assembly. Laser cover removal (model X658) “Scanner controller card assembly removal (model X658)” 1. Remove the scanner controller card. See on page 4-121. 2. Remove the redrive assembly. See “Redrive assembly removal (model X658)”...
  • Page 431 7462 3. Remove the five screws (A) on the left securing the laser cover. 4. Remove the four screws on the right (B) securing the laser cover. “Sensor (ADF media exit) fan bracket 5. Remove the sensor (ADF media exit) fan bracket assembly. See assembly removal (models X652, X654, X656, and X658)”...
  • Page 432: Laser Cover Removal (Models X651, X652, X654, And X656)

    7462 “Print cartridge cover assembly removal (model X658)” on 6. Remove the print cartridge cover. See page 4-112. 7. Remove the laser cover. Laser cover removal (models X651, X652, X654, and X656) 1. Remove the scanner controller card. See “Scanner controller card assembly removal (models X651, X652, X654 and X656)”...
  • Page 433 7462 4. Remove the three screws (B) on either side of the laser cover. “Redrive assembly removal (models X651, X652, X654, and 5. Remove the redrive assembly. See X656)” on page 4-99. 6. Remove the sensor (ADF media exit) bracket assembly. See “Sensor (ADF media exit) bracket assembly removal (X651)”...
  • Page 434: Standard Output Bin Led Assembly Removal (Models X651, X652, X654, And X656)

    7462 8. Remove the laser cover. Standard output bin LED assembly removal (models X651, X652, X654, and X656) “Scanner support platform removal 1. Remove the scanner from the scanner support platform. See (models X651, X652, X654, and X656)” on page 4-133.
  • Page 435: Mpf Media Guide Assembly Removal (Model X658)

    7462 MPF media guide assembly removal (model X658) 1. Open the MPF feeder door. 2. Remove the two tabs (A) from the slots to disconnect the MPF media guide assembly. 3. Push the spring on the right side down, and remove the MPF media guide assembly, by rotating the assembly vertical and lift up.
  • Page 436: Operator Panel Assembly Removal (Model X658)

    7462 Operator panel assembly removal (model X658) 1. Pull the operator panel door assembly forward, and remove. 2. Remove the two screws (A) securing the USB port to the operator panel door assembly. 3. Remove the three screws (B) securing the operator panel assembly bottom to the scanner frame. 4.
  • Page 437 7462 7. Rotate the operator panel assembly upside down, and remove the three screws (E). 8. Separate the lower panel from the upper panel. 9. Disconnect the operator panel and cave light harnesses. 10. Remove the operator panel assembly. 4-107 Repair information...
  • Page 438: Operator Panel Door Assembly Removal (Models X651, X652, X654, And X656)

    7462 Operator panel door assembly removal (models X651, X652, X654, and X656) “Laser cover removal (models X651, X652, X654, and X656)” on 1. Remove the laser cover. See page 4-102. 2. Remove the counter balance springs (A) on both sides. 3.
  • Page 439 7462 6. Remove eight screws (E) securing the scanner controller cage cover to the cage. An X658 model is represented in the graphic below, however, the card cage cover removal procedure is similar for all models. 7. Remove the printer controller card cage cover. 8.
  • Page 440 7462 9. Lift the operator panel door assembly out of the machine. 4-110 Service Manual...
  • Page 441: Operator Panel Cover Latch Assembly Removal (Models X651, X652, X654, And X656)

    7462 Operator panel cover latch assembly removal (models X651, X652, X654, and X656) 1. Lift the operator panel cover assembly. 2. Remove the ten screws (A) securing the operator panel cover latch assembly to the operator panel cover assembly. 3. Remove the operator panel cover latch assembly. 4-111 Repair information...
  • Page 442: Print Cartridge Cover Assembly Removal (Model X658)

    7462 Print cartridge cover assembly removal (model X658) 1. Open the print cartridge cover assembly. 2. Remove the two screws (A) securing the print cartridge cover assembly. 3. Remove the cartridge access door. 4-112 Service Manual...
  • Page 443: Side Cover, Right Removal (Model X658)

    7462 Side cover, right removal (model X658) “Cover, left rear corner removal (model X658)” on page 4-86. 1. Remove the cover, left rear corner. See 2. Open the front door. 3. Open the cartridge access door. 4. Remove the screw (A), and pull the side cover, right up and out to remove. 4-113 Repair information...
  • Page 444: Side Cover, Right Removal (Models X651, X652, X654, And X656)

    7462 Side cover, right removal (models X651, X652, X654, and X656) “Door assembly, rear removal (models X651, X652, 1. Remove the door assembly, rear assembly. See X654, X656, and X658)” on page 4-116. 2. Remove the cover, rear lower. See “Cover, rear lower removal (models X651, X652, X654, X656, and X658)”...
  • Page 445: Side Cover, Left Removal (Models X651, X652, X654, And X656)

    7462 3. Release the two tabs (A) in the front. 4. Remove the side cover, left. Side cover, left removal (models X651, X652, X654, and X656) “Door assembly, rear removal (models X651, X652, X654, X656, 1. Remove the door assembly, rear. See and X658)”...
  • Page 446: Door Assembly, Rear Removal (Models X651, X652, X654, X656, And X658)

    7462 6. Remove the three screws (A) securing the side cover, left to the machine. 7. Remove the side cover, left by pulling out the tabs on the top and bottom and by pulling the cover out of its rear hinges. Door assembly, rear removal (models X651, X652, X654, X656, and X658) 1.
  • Page 447: Cover, Rear Lower Removal (Models X651, X652, X654, X656, And X658)

    7462 4. Remove the door assembly, rear. Cover, rear lower removal (models X651, X652, X654, X656, and X658) “Door assembly, rear removal (models X651, X652, X654, X656, 1. Remove the door assembly, rear. See and X658)” on page 4-116. 2. Remove the two screws (A) on each side of the cover. 3.
  • Page 448 7462 4. Remove the remaining two screws (B). 5. Lift and remove the cover, rear lower. 4-118 Service Manual...
  • Page 449: Scanner Support Cover, Right Rear Removal (Model X658)

    7462 Scanner support cover, right rear removal (model X658) 1. Remove the four screws (A) securing the scanner support cover, right rear to the machine. 2. Remove the scanner support cover, right rear. 4-119 Repair information...
  • Page 450: Scanner Support Inner Cover, Right Removal (Model X658)

    7462 Scanner support inner cover, right removal (model X658) “Scanner support cover, right rear removal (model 1. Remove the scanner support cover, right rear. See X658)” on page 4-119. 2. Remove the four screws (A) securing the scanner support inner cover, right to the machine. 3.
  • Page 451: Scanner Support Cover, Right Removal (Model X658)

    7462 Scanner support cover, right removal (model X658) “Scanner support inner cover, right removal 1. Remove the scanner support inner cover, right. See (model X658)” on page 4-120. 2. Remove the four (A) screws securing the scanner support cover, right to the machine. 3.
  • Page 452 7462 3. Remove eight screws (A) securing the scanner controller cage cover to the cage. 4. Remove the scanner controller card cage cover. 5. Disconnect all the harnesses and ribbon cables. 4-122 Service Manual...
  • Page 453 7462 6. Remove the seven screws (B) securing the card to the cage. 7. Remove the scanner controller card. 4-123 Repair information...
  • Page 454: Scanner Controller Card Assembly Removal (Models X651, X652, X654 And X656)

    7462 Scanner controller card assembly removal (models X651, X652, X654 and X656) “Side cover, left removal (models X651, X652, X654, and X656)” on 1. Remove the side cover, left. See page 4-115. 2. Remove eight screws (A) securing the scanner controller cage cover to the cage. 3.
  • Page 455: Scanner Cover, Rear Removal (Models X651, X652, X654, X656, And X658)

    7462 4. Disconnect all the harnesses and ribbon cables. 5. Remove the seven screws (B) securing the card to the cage. 6. Remove the scanner controller card. Scanner cover, rear removal (models X651, X652, X654, X656, and X658) 1. Remove the four screws (A) securing the scanner cover, rear to the scanner. 2.
  • Page 456: Scanner Cover, Left Removal (Models X651, X652, X654 And X656)

    7462 Scanner cover, left removal (models X651, X652, X654 and X656) “Scanner cover, rear removal (models X651, X652, X654, X656, 1. Remove the scanner cover, rear. See and X658)” on page 4-125. 2. Remove the metal screw (A) and plastic screw (B) securing the scanner cover, left to the scanner assembly.
  • Page 457: Scanner Cover, Left Removal (Model X658)

    7462 Scanner cover, left removal (model X658) “Scanner cover, rear removal (models X651, X652, X654, X656, 1. Remove the scanner cover, rear. See and X658)” on page 4-125. 2. Remove the metal screw (A) securing the scanner cover, left to the scanner assembly. 3.
  • Page 458: Scanner Cover, Right Removal (Models X651, X652, X654, And X656)

    7462 Scanner cover, right removal (models X651, X652, X654, and X656) “Scanner cover, rear removal (models X651, X652, X654, X656, 1. Remove the scanner cover, rear. See and X658)” on page 4-125. 2. Remove the plastic screw (A) and metal screw (B) securing the scanner cover, right to the scanner. 3.
  • Page 459: Scanner Cover, Front Removal (Models X651, X652, X654 And X656)

    7462 3. Slide the scanner cover, right to the rear, and remove. Replacement note: Always replace the scanner cover, front before replacing the scanner cover, right. Scanner cover, front removal (models X651, X652, X654 and X656) 1. Open the ADF cover. 2.
  • Page 460: Scanner Cover, Front Removal (Model X658)

    7462 Scanner cover, front removal (model X658) “Scanner cover, right removal (model X658)” on page 4-128. 1. Remove the scanner cover, right. See 2. Remove screw (A) 3. Slide the scanner cover, front to the right, and remove. Replacement note: Always replace the scanner cover, front before replacing the scanner cover, right. 4-130 Service Manual...
  • Page 461: Scanner Platen Glass Cover Assembly Removal (Model X658)

    7462 Scanner platen glass cover assembly removal (model X658) “ADF unit assembly removal (model X658)” on page 4-83. 1. Remove the ADF unit assembly. See 2. Remove the scanner cover, left. See “Scanner cover, left removal (model X658)” on page 4-127.
  • Page 462: Scanner Platen Glass Cover Assembly Removal (Models X651, X652, X654 And X656)

    7462 Scanner platen glass cover assembly removal (models X651, X652, X654 and X656) “ADF unit assembly removal (models X651, X652, X654 and 1. Remove the ADF unit assembly. See X656)” on page 4-83. 2. Remove the scanner cover, front. See “Scanner cover, front removal (models X651, X652, X654 and X656)”...
  • Page 463: Scanner Support Platform Removal (Models X651, X652, X654, And X656)

    7462 Scanner support platform removal (models X651, X652, X654, and X656) “Scanner platen glass cover assembly removal 1. Remove the scanner platen glass cover assembly. See (models X651, X652, X654 and X656)” on page 4-132. 2. Remove six screws (A) securing the scanner support platform to the scanner flatbed frame. 3.
  • Page 464 7462 6. Remove the two screws (D) securing the ground straps to the either side of the scanner frame. Note: Remove the ground strap to prevent damage to the surface which the scanner is placed on. 7. Push the flatbed toward the rear of the cover. 8.
  • Page 465: Carriage Belt Tensioner Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 Carriage belt tensioner assembly removal (models X651, X652, X654, X656, and X658) “Scanner platen glass cover assembly removal 1. Remove the scanner platen glass cover assembly. See (models X651, X652, X654 and X656)” on page 4-132 “Scanner platen glass cover assembly removal (model X658)”...
  • Page 466: Carriage Drive Motor Assembly With Cable Removal (Models X651, X652, X654, X656 & X658)

    7462 Carriage drive motor assembly with cable removal (models X651, X652, X654, X656 & X658) “Scanner platen glass cover assembly removal 1. Remove the scanner platen glass cover assembly. See (models X651, X652, X654 and X656)” on page 4-132 “Scanner platen glass cover assembly removal (model X658)”...
  • Page 467: Carriage Belt Removal (Models X651, X652, X654, X656, And X658)

    7462 8. Remove the four screws (F) securing the carriage drive motor assembly with cable to the flatbed frame. 9. Remove the carriage drive motor assembly with cable. Carriage belt removal (models X651, X652, X654, X656, and X658) 1. Remove the scanner platen glass cover assembly. See “Scanner platen glass cover assembly removal (models X651, X652, X654 and X656)”...
  • Page 468 7462 6. Slide the carriage belt out of the rear side of the CCD carriage assembly. 4-138 Service Manual...
  • Page 469 7462 Scanner / ADF duplex CCD exposure lamp removal (models X651, X652, X654, X656, and X658) “Scanner CCD assembly 1. Remove the scanner CCD assembly or the ADF duplex CCD assembly. See removal (models X651, X652, X654, X656, and X658)” on page 4-89 “ADF duplex CCD assembly removal (models X654, X656, and X658)”...
  • Page 470: Scanner Interface Card Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 6. Remove the scanner exposure lamp wiring harness from the clips (D) on the CCD assembly. 7. Remove the scanner exposure lamp by lifting up on the rear end and pulling the lamp out of the grommet. Scanner interface card assembly removal (models X651, X652, X654, X656, and X658) “Scanner cover, rear removal (models X651, X652, X654, X656, 1.
  • Page 471: Scanner Cooling Fan Filter Removal (Models X651, X652, X654, X656, And X658)

    7462 Scanner cooling fan filter removal (models X651, X652, X654, X656, and X658) 1. Pry the tabs (A) securing the scanner cooling fan filter cover to the flatbed frame. Scanner cooling fan removal (models X651, X652, X654, X656, and X658) “Scanner platen glass cover assembly removal 1.
  • Page 472: Scanner Support Cover, Left Rear Removal (Model X658)

    7462 Scanner support cover, left rear removal (model X658) “Scanner cover, rear removal (models X651, X652, X654, X656, 1. Remove the scanner cover, rear. See and X658)” on page 4-125. 2. Remove the two inner screws (A) and two screws (B) on the rear face securing the scanner support cover, left rear to the machine.
  • Page 473: Scanner Support Cover, Left Front Removal (Model X658)

    7462 Scanner support cover, left front removal (model X658) 1. Open the front door assembly. 2. Remove the two screws (A) on the scanner support cover, left front to the machine. 3. Remove the scanner support cover, left front. 4-143 Repair information...
  • Page 474: Scanner Support Cover, Left Removal (Model X658)

    7462 Scanner support cover, left removal (model X658) “Scanner support cover, left rear removal (model 1. Remove the scanner support cover, left rear. See X658)” on page 4-142. 2. Remove the scanner support cover, left front. See “Scanner support cover, left front removal (model X658)”...
  • Page 475: Sensor (Platen Glass Length) Assembly Removal (Models X651, X652, X654, X656, And X658)

    7462 Sensor (platen glass length) assembly removal (models X651, X652, X654, X656, and X658) “Scanner platen glass cover assembly removal 1. Remove the scanner platen glass cover assembly. See (models X651, X652, X654 and X656)” on page 4-132 “Scanner platen glass cover assembly removal (model X658)”...
  • Page 476: Sensor (Scanner Hp) Assembly W/Bracket Removal (Models X651, X652, X654, X656 & X658)

    7462 Sensor (scanner HP) assembly w/bracket removal (models X651, X652, X654, X656 & X658) “Scanner platen glass cover assembly removal 1. Remove the scanner platen glass cover assembly. See (models X651, X652, X654 and X656)” on page 4-132 “Scanner platen glass cover assembly removal (model X658)”...
  • Page 477 7462 4. Remove the LVPS cooling fan. 4-147 Repair information...
  • Page 478: High Capacity Input Tray

    7462 Option removals High capacity input tray 4-148 Service Manual...
  • Page 479: High Capacity Input Tray (Hcit) Media Tray Assembly Removal

    7462 High capacity input tray (HCIT) media tray assembly removal 1. Open the HCIT media tray assembly until it reaches a stop. 2. Press the latch (A) down on the left side of the HCIT tray slide, and press the latch (B) up on the right side of the HCIT tray slide.
  • Page 480: High Capacity Input Tray (Hcit) Tray Cover, Front Removal

    7462 High capacity input tray (HCIT) tray cover, front removal 1. Open the HCIT media tray assembly until it reaches a stop. 2. Remove the six screws (A) securing the HCIT tray cover, front to the HCIT media tray assembly. 4-150 Service Manual...
  • Page 481 7462 3. Remove the HCIT tray cover, front. 4-151 Repair information...
  • Page 482: High Capacity Input Tray (Hcit) Cover, Rear Removal

    7462 High capacity input tray (HCIT) cover, rear removal Note: Carefully remove the base machine from the HCIT tray assembly before proceeding. 1. Remove the four screws (A) securing the HCIT cover, rear to the drawer. 4-152 Service Manual...
  • Page 483 7462 2. Remove the HCIT cover, rear. 4-153 Repair information...
  • Page 484: High Capacity Input Tray (Hcit) Cover, Right Removal

    7462 High capacity input tray (HCIT) cover, right removal Note: Carefully remove the base machine from the HCIT tray assembly before proceeding. Note: Before removing the HCIT right cover, first remove the right side anti-tip latch assembly. See “High capacity input tray (HCIT) anti-tip latch assembly removal” on page 4-157.
  • Page 485 7462 4. Remove the HCIT cover, right. 4-155 Repair information...
  • Page 486: High Capacity Input Tray (Hcit) Cover, Left Removal

    7462 High capacity input tray (HCIT) cover, left removal Note: Carefully remove the base machine from the HCIT tray assembly before proceeding. Note: Before removing the HCIT cover, left, first remove the left side anti-tip latch assembly. See “High capacity input tray (HCIT) anti-tip latch assembly removal” on page 4-157.
  • Page 487: High Capacity Input Tray (Hcit) Anti-Tip Latch Assembly Removal

    7462 4. Remove the HCIT cover, left. High capacity input tray (HCIT) anti-tip latch assembly removal Note: Carefully remove the base machine from the HCIT tray assembly before proceeding. The left and right anti-tip latch assemblies are the same, and only one is in a package. The instructions below are for removing the left latch;...
  • Page 488 7462 “High capacity input tray (HCIT) cover, left removal” on page 4-156. 1. Remove the HCIT cover, left. See Note: The left side anti-tip assembly will come off when removing the HCIT cover, left. 4-158 Service Manual...
  • Page 489: High Capacity Input Tray (Hcit) Drawer Slide Assembly Removal

    7462 High capacity input tray (HCIT) drawer slide assembly removal The left and right drawer slide assemblies are the same, and only one is in a package. The instructions below are for removing the left slide; removing the right slide has similar instructions. “High capacity input tray (HCIT) media tray assembly 1.
  • Page 490 7462 3. Disconnect the HCIT tray lift drive motor cable connector from the HCIT controller card assembly. Note: Remove the cable from the restraint, and observe the routing for reinstallation. 4. Remove the eight screws (A) securing the HCIT tray lift drive motor assembly. 5.
  • Page 491: High Capacity Input Tray (Hcit) Controller Card Assembly Removal

    7462 High capacity input tray (HCIT) controller card assembly removal Note: Carefully remove the base machine from the HCIT tray assembly before proceeding. “High capacity input tray (HCIT) cover, left removal” on page 4-156. 1. Remove the HCIT cover, left. See 2.
  • Page 492: High Capacity Input Tray (Hcit) Media Size Actuator Assembly Removal

    7462 3. Remove the three screws (A) securing the HCIT controller card assembly. 4. Remove the HCIT controller card assembly and the shield. High capacity input tray (HCIT) media size actuator assembly removal Note: Carefully remove the base machine from the HCIT tray assembly before proceeding. 1.
  • Page 493 7462 4. Snap loose the actuator switch (C) and remove. 5. Remove the four screws (D) securing the media size actuator (E) and the card mount option (F) to the frame. 6. Remove the screw securing the media size actuator to the card mount option. 4-163 Repair information...
  • Page 494: Sensor (Hcit Tray Raised Hp) With Cable Assembly Removal

    7462 7. Remove the media size actuator from the card mount option. 8. Remove the card mount option. Sensor (HCIT tray raised HP) with cable assembly removal Note: Carefully remove the base machine from the HCIT tray assembly before proceeding. 1.
  • Page 495: Sensor (Hcit Pass Through) With Cable Removal

    7462 5. Remove the sensor (HCIT tray raised HP). Sensor (HCIT pass through) with cable removal Note: Carefully remove the base machine from the HCIT tray assembly before proceeding. 1. Remove the HCIT cover, left. See “High capacity input tray (HCIT) cover, left removal” on page 4-156.
  • Page 496 7462 2. Disconnect the sensor (HCIT pass through) from the HCIT controller card assembly. Note: Remove the cable restraint, and observe the routing for reinstallation. 3. Release the hooks (A) securing the sensor (HCIT pass through) to the machine. 4. Remove the sensor (HCIT pass through) with cable from the top plate. 4-166 Service Manual...
  • Page 497: High Capacity Input Tray (Hcit) Pick Arm Bracket Assembly Removal

    7462 High capacity input tray (HCIT) pick arm bracket assembly removal Note: Carefully remove the base machine from the HCIT tray assembly before proceeding. “High capacity input tray (HCIT) cover, left removal” on page 4-156. 1. Remove the HCIT cover, left. See 2.
  • Page 498 7462 4. Remove the five screws (A) securing the HCIT pick arm bracket assembly. 5. Remove the HCIT pick arm bracket assembly from the drawer by slightly lifting and removing it. 4-168 Service Manual...
  • Page 499: High Capacity Input Tray (Hcit) Tray Closed Latch With Spring Removal

    7462 High capacity input tray (HCIT) tray closed latch with spring removal The left and right tray closed latches with springs are the same, and only one is in a package. The instructions below are for removing the left latch; removing the right latch has similar instructions. “High capacity input tray (HCIT) media tray assembly removal”...
  • Page 500: Sheet Media Tray Assembly Removal

    7462 250-sheet media tray assembly removal Remove the 250-sheet media tray assembly from the 250-sheet option drawer assembly. 250-sheet option drawer assembly removal Remove the 250-sheet media tray assembly from the 250-sheet option drawer assembly. 4-170 Service Manual...
  • Page 501: Sheet Pick Arm Bracket Assembly Removal

    7462 250-sheet pick arm bracket assembly removal Note: Carefully remove the base machine from the input option tray assembly before proceeding. 1. Disconnect the two 250-sheet pick arm bracket assembly cable connectors from the 250-sheet controller card assembly. 2. Detach the pick arm spring from the drawer. 3.
  • Page 502: Sheet Media Out Actuator Removal

    7462 250-sheet media out actuator removal Note: Carefully remove the base machine from the input option tray assembly before proceeding. “250-sheet pick arm bracket assembly removal” 1. Remove the 250-sheet pick arm bracket assembly. See on page 4-171. 2. Release the hook (A) securing the 250-sheet media out actuator to the 250-sheet pick arm bracket assembly.
  • Page 503: Sheet Frame Assembly Removal

    7462 250-sheet frame assembly removal. Note: The 250-sheet frame assembly is not a FRU. “250-sheet pick arm bracket assembly removal” 1. Remove the 250-sheet pick arm bracket assembly. See on page 4-171 2. Release the hooks securing the sensor (pass through) to the drawer. 3.
  • Page 504 7462 4. Remove the four screws (A) securing the 250-sheet frame assembly to the drawer. 5. Remove the 250-sheet frame assembly. 4-174 Service Manual...
  • Page 505 7462 6. Disconnect the sensor (pass through) cable connector from the 250-sheet controller card. 7. Remove the sensor (pass through) with cable. 4-175 Repair information...
  • Page 506: Sheet Controller Card Assembly Removal

    7462 250-sheet controller card assembly removal “250-sheet pick arm bracket assembly removal” 1. Remove the 250-sheet pick arm bracket assembly. See on page 4-171 2. Release the hooks securing the sensor (pass through) to the drawer. 3. Remove the sensor (pass through) from the drawer. 4.
  • Page 507 7462 5. Remove the 250-sheet frame assembly. 6. Disconnect the three connectors from the 250-sheet controller card assembly. 7. Remove the three screws (B) securing the 250-sheet controller card assembly to the 250-sheet frame. 8. Remove the 250-sheet controller card assembly. 4-177 Repair information...
  • Page 508: Media Size Actuator Removal

    7462 Media size actuator removal Note: Carefully remove the base machine from the input option tray assembly before proceeding. “250-sheet controller card assembly removal” 1. Remove the 250-sheet controller card assembly. Go to on page 4-176. 2. Remove the screw (A) securing the media size actuator to the 250-sheet frame. 3.
  • Page 509: Media Tray Catch Spring Removal

    7462 Media tray catch spring removal Note: Carefully remove the base machine from the input option tray assembly before proceeding. “250-sheet pick arm bracket assembly removal” 1. Remove the 250-sheet pick arm bracket assembly. See on page 4-171. 2. Release the hooks securing the sensor (pass through) to the drawer. 3.
  • Page 510: Tray Roller Catch Assembly Removal

    7462 6. Turn the drawer over so that you can access the media tray catch spring. 7. Release the media tray catch spring. Tray roller catch assembly removal Note: Carefully remove the base machine from the input option tray assembly before proceeding. “Media tray catch spring removal”...
  • Page 511 7462 2. Remove the tray roller catch assembly from the drawer. 4-181 Repair information...
  • Page 512: Sheet Option Tray Assembly

    7462 550-sheet option tray assembly 4-182 Service Manual...
  • Page 513: Sheet Media Tray Assembly Removal

    7462 550-sheet media tray assembly removal Remove the 550-sheet media tray assembly from the 550-sheet option drawer assembly. 550-sheet option drawer assembly removal Remove the 550-sheet media tray assembly from the 550-sheet option drawer assembly. 4-183 Repair information...
  • Page 514: Sheet Pick Arm Bracket Assembly Removal

    7462 550-sheet pick arm bracket assembly removal “550-sheet media tray assembly removal” on 1. Remove the 550-sheet media tray assembly. See page 4-183. 2. Remove the two 550-sheet pick arm bracket assembly cable connectors (A) from the 550-sheet controller card assembly. 3.
  • Page 515: Sheet Bellcrank Recoil Spring Removal

    7462 550-sheet bellcrank recoil spring removal “550-sheet pick arm bracket assembly removal” 1. Remove the 550-sheet pick arm bracket assembly. See on page 4-184. 2. Remove the 550-sheet bellcrank recoil spring from the 550-sheet pick arm bracket assembly. Media out actuator removal (models T652 and T654) “550-sheet pick arm bracket assembly removal”...
  • Page 516: Anti-Tip Latch Assembly Removal

    7462 Anti-tip latch assembly removal The left and right anti-tip latch assemblies are the same, and only one is in a package. The instructions below are for removing the left latch, but removing the right latch is similar. “550-sheet media tray assembly removal” on 1.
  • Page 517: Sheet Frame Assembly Removal

    7462 550-sheet frame assembly removal Note: The 550-sheet frame assembly is not a FRU. “550-sheet pick arm bracket assembly removal” 1. Remove the 550-sheet pick arm bracket assembly. See on page 4-184. 2. Release the hooks securing the sensor (pass through) to the drawer. 3.
  • Page 518 7462 5. Remove the 550-sheet frame assembly. 4-188 Service Manual...
  • Page 519: Upper Interface Cable Assembly Removal

    7462 Upper interface cable assembly removal “550-sheet frame assembly removal” on page 4-187. 1. Remove the 550-sheet frame assembly. See 2. Disconnect the upper interface cable connector (A) from the 550-sheet controller card. 3. Release the two hooks (B) securing the options auto connect to the 550-sheet frame. 4.
  • Page 520: Sensor (Pass Through) With Cable Removal

    7462 Sensor (pass through) with cable removal “550-sheet frame assembly removal” on page 4-187. 1. Remove the 550-sheet frame assembly. See 2. Disconnect the sensor (pass through) cable connector from the 550-sheet controller card. 3. Remove the sensor (pass through) with cable. 550-sheet controller card assembly removal “550-sheet frame assembly removal”...
  • Page 521 7462 3. Remove the three screws (A) securing the 550-sheet controller card assembly to the 550-sheet frame. 4. Remove the 550-sheet controller card assembly. 4-191 Repair information...
  • Page 522: Media Size Actuator Removal

    7462 Media size actuator removal “550-sheet controller card assembly removal” on 1. Remove the 550-sheet controller card assembly. See page 4-190. 2. Remove the screw (A) securing the media size actuator to the 550-sheet frame. 3. Remove the media size actuator. 4-192 Service Manual...
  • Page 523: Sheet Option Drive Shaft With Spring Removal

    7462 550-sheet option drive shaft with spring removal “550-sheet frame assembly removal” on page 4-187. 1. Remove the 550-sheet frame assembly. See 2. Pinch the two hooks (A) on the cap, and detach it from the 550-sheet frame. 3. Pull the drive roll gear (B), the shaft with spring (C), and the bevel out through the opening. 4.
  • Page 524: Media Tray Catch Spring Removal

    7462 Media tray catch spring removal “550-sheet frame assembly removal” on page 4-187. 1. Remove the 550-sheet frame assembly. See 2. Turn the drawer over so that you can access the media tray catch spring. 3. Release the media tray catch spring. Media tray roller catch assembly removal “Media tray catch spring removal”...
  • Page 525: Mfp Stapler Assembly Rear Door Assembly Removal

    7462 MFP stapler assembly rear door assembly removal 1. Open the rear door assembly. 2. Force the left hinge out of the slot by pushing the door to the right. 3. Once the left hinge has been disengaged, pull the right hinge out. 4.
  • Page 526: Mfp Stapler Assembly Left Cover Removal

    7462 MFP stapler assembly left cover removal 1. Remove the two screws (A) on the inside of the exit bin compartment securing the left cover. 2. Pull out on the front side of the left cover to disengage the tabs. 3.
  • Page 527: Mfp Stapler Assembly Handle Cover Removal

    7462 2. Remove the screw (A) on each side of the top cover. 3. Pull up and toward the front to remove the top cover. MFP stapler assembly handle cover removal 1. Remove the left and right cover. See “MFP stapler assembly left cover removal” on page 4-196 “MFP stapler assembly right cover removal”...
  • Page 528: Mfp Stapler Assembly Led Sensor Cover Removal

    7462 2. Remove the two screws (A) on each side of the. 3. Lift up and to the rear to remove the cover. MFP stapler assembly LED sensor cover removal 1. Remove the screw (A) securing the LED sensor cover to the underside of the output bin. 4-198 Service Manual...
  • Page 529 7462 2. Remove the standard output bin LED. See “MFP stapler assembly standard output bin LED and LED clear lens removal” on page 4-200. 3. Remove the sensor (finisher media bin present). See “MFP stapler assembly sensor (finisher media bin present) removal”...
  • Page 530: Mfp Stapler Assembly Sensor (Finisher Media Bin Present) Removal

    7462 MFP stapler assembly sensor (finisher media bin present) removal “MFP stapler assembly LED sensor cover removal” on 1. Remove the LED sensor cover. See page 4-198. 2. Using a flat-blade screwdriver, release the tabs (A) on the sensor and remove it from the sensor cover. 3.
  • Page 531: Mfp Stapler Assembly Tamper Drive Belt Removal

    7462 2. Remove the two screws (A) securing the LED to the cover. 3. Remove the LED and disconnect the harness. 4. Remove the LED clear lens. MFP stapler assembly tamper drive belt removal “MFP stapler assembly tamper drive belt removal” on 1.
  • Page 532: Mfp Stapler Assembly Tamper Drive Motor Assembly Removal

    7462 MFP stapler assembly tamper drive motor assembly removal “MFP stapler assembly top cover removal” on page 4-196. 1. Remove the top cover. See 2. Pull slack in the tamper drive belt and remove the belt from the tamper drive belt pulley. 3.
  • Page 533 7462 4-203 Repair information...
  • Page 534: Mfp Stapler Assembly Stapler Unit Assembly Removal

    7462 MFP stapler assembly stapler unit assembly removal “MFP stapler assembly right cover removal” on page 4-195. 1. Remove the right cover. See 2. Remove the four cable harnesses attached to the stapler unit assembly. 3. Remove the three screws (A) securing the stapler unit assembly. 4.
  • Page 535: Stapler/Stacker Controller Card Assembly Removal

    7462 Stapler/stacker controller card assembly removal “MFP stapler assembly left cover removal” on page 4-196. 1. Remove the left left cover. See 2. Disconnect all harnesses to the controller card. 3. Remove the three screws (A) securing the stapler/stacker controller card assembly. 4.
  • Page 536 7462 4. Remove the two screws (A) securing the two paddle drive motor assemblies. 5. Remove the paddle drive motor assembly. 4-206 Service Manual...
  • Page 537: Mfp Stapler Assembly Sensor (Media Stack) Removal

    7462 MFP stapler assembly sensor (media stack) removal “MFP stapler assembly top cover removal” on page 4-196. 1. Remove the top cover. See 2. Disconnect the harness to the sensor (media stack). 3. Using your fingers, pinch tab (A) securing the sensor (media stack) and remove. MFP stapler assembly sensor (paddle HP) removal 1.
  • Page 538: Mfp Stapler Assembly Sensor (Stapler Access Door Interlock) Removal

    7462 3. Using your fingers, pinch tab (A) securing the sensor (paddle home position) and remove. MFP stapler assembly sensor (stapler access door interlock) removal 1. Remove the right cover. See “MFP stapler assembly right cover removal” on page 4-195. 2.
  • Page 539: Mfp Stapler Assembly Sensor (Tamper Hp Left And Right) Removal

    7462 MFP stapler assembly sensor (tamper HP left and right) removal “MFP stapler assembly top cover removal” on page 4-196. 1. Remove the top cover. See 2. Disconnect the harness to the sensor (tamper HP left and right). 3. Using your fingers, pinch the tabs (A) securing the staple finisher sensor (tamper HP left and right) and remove.
  • Page 540: Mfp Stapler Assembly Sensor (Bin Full Receive) Removal

    7462 2. Remove the two screws (A) securing the staple finisher sensor (bin full send). 3. Disconnect the harness and remove. MFP stapler assembly sensor (bin full receive) removal “MFP stapler assembly right cover removal” on page 4-195. 1. Remove the right cover. See 2.
  • Page 541: Mfp Stapler Assembly Sensor (Media In Stapler) Removal

    7462 MFP stapler assembly sensor (media in stapler) removal “MFP stapler assembly stapler unit assembly 1. Remove the stapler unit assembly from the . See removal” on page 4-204. 2. Using a flat-blade screwdriver, release the tabs (A) securing the sensor. 3.
  • Page 542: Mfp Stapler Assembly Sensor (Deflector Hp) Removal

    7462 MFP stapler assembly sensor (deflector HP) removal “MFP stapler assembly left cover removal” on page 4-196. 1. Remove the left cover. See 2. Disconnect the harness to the sensor (deflector HP). 3. Release the tabs (A) securing the sensor to the unit. Note: The tabs may be difficult to access.
  • Page 543: Bin Mailbox Assembly Left Cover Removal

    7462 4-bin mailbox assembly left cover removal 1. Place the 4-bin mailbox assembly on its side. 2. Remove the two screws (A) on the underside of the 4-bin mailbox assembly securing the left cover. 3. Using your finger, pull up on the top surface of the left cover while simultaneously pulling out, and remove. 4-bin mailbox assembly controller card assembly removal 1.
  • Page 544: Bin Mailbox Assembly Sensor (Media Bin Full) Removal

    7462 3. Remove the two screws (A) securing the controller card to the 4-bin mailbox assembly and remove. 4-bin mailbox assembly sensor (media bin full) removal 1. Remove the 4-bin mailbox assembly left cover. See “4-bin mailbox assembly left cover removal” on page 4-213.
  • Page 545: Bin Mailbox Assembly Sensor (Deflector Gate Hp) Removal

    7462 3. Pinch the tabs securing the sensor (media bin full) to the media tray and remove. 4-bin mailbox assembly sensor (deflector gate HP) removal “4-bin mailbox assembly left cover removal” on 1. Remove the 4-bin mailbox assembly left cover. See page 4-213.
  • Page 546: Bin Mailbox Assembly Rear Door Assembly Removal

    7462 4-bin mailbox assembly rear door assembly removal 1. Open the rear door. 2. Gently spread each side of the 4-bin mailbox assembly until the rear door hinge is free to be removed. 3. Remove the rear door assembly. 4-216 Service Manual...
  • Page 547: Bin Mailbox Assembly Right Cover Removal

    7462 4-bin mailbox assembly right cover removal 1. Place the 4-bin mailbox assembly on its side. 2. Remove the two screws (A) from the bottom side of the right cover securing cover in place. 3. Using your fingers, pull up on the top of the right cover and pull out simultaneously to remove. 4-bin mailbox assembly LED card assembly removal “4-bin mailbox assembly right cover removal”...
  • Page 548: Bin Mailbox Assembly Top Cover Removal

    7462 3. Remove the three screws (A) securing the LED card assembly to the 4-bin mailbox assembly. 4. Remove the 4-bin mailbox assembly LED card assembly. 4-bin mailbox assembly top cover removal 1. Remove the 4-bin mailbox assembly left cover. See “4-bin mailbox assembly left cover removal”...
  • Page 549: Bin Mailbox Assembly Deflector Gate Solenoid Removal

    7462 4. Slide the top cover towards the rear and remove. 4-bin mailbox assembly deflector gate solenoid removal “4-bin mailbox assembly top cover removal” on 1. Remove the 4-bin mailbox assembly top cover. See page 4-218. 2. Remove the screw (A) securing the deflector gate solenoid to the 4-bin mailbox assembly. 3.
  • Page 550: Bin Mailbox Assembly Transport Solenoid Removal

    7462 4-bin mailbox assembly transport solenoid removal “4-bin mailbox assembly left cover removal” on 1. Remove the 4-bin mailbox assembly left cover. See page 4-213. 2. Remove the left rear inner cover. 3. Disconnect the transport solenoid cable from the controller card. 4.
  • Page 551: Bin Mailbox Assembly Spring Removal

    7462 4-bin mailbox assembly spring removal “4-bin mailbox assembly rear door 1. Remove the 4-bin mailbox assembly rear door assembly. See assembly removal” on page 4-216. 2. Using a spring hook or needlenose pliers, remove the spring off the hooks. 4-221 Repair information...
  • Page 552: Bin Mailbox Assembly Deflector Gate (Bin 1 Through 3) Removal

    7462 4-bin mailbox assembly deflector gate (bin 1 through 3) removal “4-bin mailbox assembly rear door 1. Remove the 4-bin mailbox assembly rear door assembly. See assembly removal” on page 4-216. 2. Remove the 4-bin mailbox assembly right rear inner cover. 3.
  • Page 553: Bin Mailbox Assembly Deflector Gate (Bin 4) Removal

    7462 4-bin mailbox assembly deflector gate (bin 4) removal “4-bin mailbox assembly rear door 1. Remove the 4-bin mailbox assembly rear door assembly. See assembly removal” on page 4-216. 2. Grasp the 4th bin deflector gate and pull out on either side. 4-223 Repair information...
  • Page 554: Bin Mailbox Assembly Sensor (Pass Through) Removal

    7462 4-bin mailbox assembly sensor (pass through) removal Note: The sensor (pass through) is the lower rear sensor. The rear upper sensor is the sensor (mailbox empty). 1. Open the rear door. 2. Lift the deflector gate above the sensor (pass through) and using a flat-blade screwdriver, release the tabs securing the sensor (pass through) to the 4-bin mailbox assembly.
  • Page 555: Bin Mailbox Assembly Sensor (Mailbox Empty) Removal

    7462 4-bin mailbox assembly sensor (mailbox empty) removal Note: The sensor (pass through) is the lower rear sensor. The rear upper sensor is the sensor (mailbox empty). 1. Open the rear door. 2. Lift the deflector gate above the sensor (mailbox empty) and using a flat-blade screwdriver, release the tabs securing the sensor (mailbox empty) to the 4-bin mailbox assembly.
  • Page 556: Bin Mailbox Assembly Standard Output Bin Led Removal

    7462 4-bin mailbox assembly standard output bin LED removal 1. Remove the three screws (A) on the underside of bin 1 securing the output bin LED bracket. 2. Pull the output bin LED bracket out from the underside of bin 1 and disconnect the LED harness. 4-226 Service Manual...
  • Page 557 7462 3. Remove the two screws (B) securing the output bin LED to the bracket and remove the output bin LED. 4-227 Repair information...
  • Page 558: Bin Mailbox Assembly Led Clear Lens Removal

    7462 4-bin mailbox assembly LED clear lens removal “4-bin mailbox assembly sensor (mailbox 1. Remove the 4-bin mailbox standard output bin LED. See empty) removal” on page 4-225. 2. Remove the output bin LED clear lens from the output bin LED bracket. 4-bin mailbox assembly media bin full actuator removal 1.
  • Page 559: Offset Stacker Rear Door Assembly Removal

    7462 3. Pull the media bin full actuator toward the front and out of 4-bin mailbox assembly. Offset stacker rear door assembly removal 1. Open the rear door assembly. 2. Force the left hinge out of the slot by pushing the door to the right. 3.
  • Page 560: Offset Stacker Left Cover Removal

    7462 Offset stacker left cover removal 1. Remove the two screws (A) on the inside of the exit bin compartment securing the left cover. 2. Pull out on the front side of the left cover to disengage the tabs. 3. Remove the offset stacker left cover. Offset stacker top cover removal “Offset stacker left cover removal”...
  • Page 561: Offset Stacker Handle Cover Removal

    7462 2. Remove the screw (A) on each side of the top cover. 3. Pull up and toward the front to remove the offset stacker top cover. Offset stacker handle cover removal 1. Remove the left and right cover. See “Offset stacker left cover removal”...
  • Page 562: Offset Stacker Led Sensor Cover Removal

    7462 2. Remove the two screws (A) on each side of the offset stacker. 3. Lift up and to the rear to remove the cover. Offset stacker LED sensor cover removal 1. Remove the screw (A) securing the LED sensor cover to the underside of the output bin. 4-232 Service Manual...
  • Page 563 7462 2. Remove the offset stacker standard output bin LED. See “Offset stacker standard output bin LED and LED clear lens removal” on page 4-234. “Offset stacker sensor (finisher media bin 3. Remove the sensor (finisher media bin present). See present) removal”...
  • Page 564: Offset Stacker Sensor (Finisher Media Bin Present) Removal

    7462 Offset stacker sensor (finisher media bin present) removal “Offset stacker LED sensor cover removal” on 1. Remove the offset stacker LED sensor cover. See page 4-232. 2. Using a flat-blade screwdriver, release the tabs (A) on the sensor and remove it from the sensor cover. 3.
  • Page 565: Offset Stacker Tamper Drive Belt Removal

    7462 2. Remove the two screws (A) securing the LED to the cover. 3. Remove the LED and disconnect the harness. 4. Remove the LED clear lens. Offset stacker tamper drive belt removal “Offset stacker tamper drive belt removal” on 1.
  • Page 566: Offset Stacker Tamper Drive Motor Assembly Removal

    7462 Offset stacker tamper drive motor assembly removal “Offset stacker top cover removal” on page 4-230. 1. Remove the offset stacker top cover. See 2. Pull slack in the tamper drive belt and remove the belt from the tamper drive belt pulley. 3.
  • Page 567 7462 4-237 Repair information...
  • Page 568: Stapler/Stacker Controller Card Assembly Removal

    7462 Stapler/stacker controller card assembly removal “Offset stacker left cover removal” on page 4-230. 1. Remove the left left cover. See 2. Disconnect all harnesses to the controller card. 3. Remove the three screws (A) securing the stapler/stacker controller card assembly. 4.
  • Page 569: Offset Stacker Sensor (Media Stack) Removal

    7462 4. Remove the two screws (A) securing the two paddle drive motor assemblies. 5. Remove the paddle drive motor assembly. Offset stacker sensor (media stack) removal “Offset stacker top cover removal” on page 4-230. 1. Remove the offset stacker top cover. See 2.
  • Page 570: Offset Stacker Sensor (Paddle Hp) Removal

    7462 3. Using your fingers, pinch tab (A) securing the offset stacker sensor (media stack) and remove. Offset stacker sensor (paddle HP) removal 1. Remove the offset stacker left cover. See “Offset stacker left cover removal” on page 4-230. 2. Disconnect the harness to the offset stacker sensor (paddle home position). 3.
  • Page 571: Offset Stacker Sensor (Tamper Hp Left And Right) Removal

    7462 Offset stacker sensor (tamper HP left and right) removal “Offset stacker top cover removal” on page 4-230. 1. Remove the offset stacker top cover. See 2. Disconnect the harness to the offset stacker sensor (tamper HP left and right). 3.
  • Page 572: Offset Stacker Sensor (Bin Full Receive) Removal

    7462 2. Remove the two screws (A) securing the staple finisher sensor (bin full send). 3. Disconnect the harness and remove. Offset stacker sensor (bin full receive) removal “Offset stacker right cover removal” on page 4-229. 1. Remove the offset stacker right cover. See 2.
  • Page 573: Offset Stacker Sensor (Deflector Hp) Removal

    7462 Offset stacker sensor (deflector HP) removal “Offset stacker left cover removal” on page 4-230. 1. Remove the offset stacker left cover. See 2. Disconnect the harness to the sensor (deflector HP). 3. Release the tabs securing the sensor to the offset stacker. Note: The tabs may be difficult to access.
  • Page 574 7462 4-244 Service Manual...
  • Page 575 7462 5. Connector locations Locations Sensors–ADF Sensor (ADF media length) Sensor (Media exit) ensor (ADF media width) Sensor (ADF document set) Sensor (ADF lower door interlock) ADF pick solenoid Switch (ADF closed interlock) Sensor (ADF rear registrati Sensor (ADF front registration) Sensor (ADF top door interlock) Sensor (ADF sheet through)
  • Page 576 7462 Service Manual...
  • Page 577: Preventive Maintenance

    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 Lubrication specifications Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use of lubricants other than those specified can cause premature failure.
  • Page 578: Scheduled Maintenance

    7462 Scheduled maintenance Maintenance kit The operator panel displays the message 80 Scheduled Maintenance at each 300K page count interval. It is necessary to replace the fuser assembly, transfer roller, charge roll, and pick tires at this interval to maintain the print quality and reliability of the printer.
  • Page 579 7462 Clean the scanner glass if you encounter print quality problems, such as streaks on copied or scanned images. Slightly dampen a soft, lint-free cloth or paper towel with water. Open the scanner cover. Wipe the scanner glass until it is clean and dry. Wipe the white underside of the scanner cover until it is clean and dry.
  • Page 580 7462 Close the scanner cover. Note: Lexmark recommends the use of Klear Screen cleaner for the scanner glass, LCD screen, and operator panel buttons. This can be ordered from www.KlearScreen.com or by calling 1-800-505=5327. Order kit(s) KS- SP12 or KS-SP50.
  • Page 581: Parts Catalog

    PP: (Parts Packet) in the parts description column indicates the part is contained in a parts packet. • Model information used in the parts catalog: Machine type Model Description Simplex Duplex Duplex Modem Hard drive Printer 7462-031 X651de 7462-035 X652de 7462-0A1 X654de 7462-231 X654de 7462-232 X654de 7462-2A1 X654de 7462-2A2 X654de...
  • Page 582: Assembly 1: Covers (X651, X652, X654, And X656)

    7462 Assembly 1: Covers (X651, X652, X654, and X656) Service Manual...
  • Page 583 X654de touch screen bezel 40X4121 X656de touch screen bezel 40X4123 X652de touch screen bezel 40X5757 X651de touch screen bezel 40X1971 Inner cover, left (X651, X652, X654, and X656) 40X1916 Side cover, left (X651, X652, X654, and X656) 40X4481 Access door (X651, X652, X654, and X656)
  • Page 584: Assembly 2: Covers 1 (X658)

    7462 Assembly 2: Covers 1 (X658) Service Manual...
  • Page 585 7462 Assembly 2: Covers 1 (X658) Asm- Part Units/ Units/ Description index number option 40X1970 Laser cover assembly, 550 sheet (X658) 40X4480 Output cover assembly (X658) 40X4331 Door assembly, rear 40X4470 Output bail 40X4335 Cover assembly, rear lower 40X4477 Corner cover, left rear (X658) 40X4479 Corner cover, right rear (X658) 40X4478...
  • Page 586: Assembly 3: Covers 2 (X658)

    7462 Assembly 3: Covers 2 (X658) Service Manual...
  • Page 587 7462 Assembly 3: Covers 2 (X658) Asm- Part Units/ Units/ Description index number option 40X2642 Platen glass cover assembly 40X4510 Scanner cover, rear (X658) 40X4511 Scanner cover, right (X658) 40X4513 Scanner cover, front (X658) 40X4516 Scanner support cover, left rear (X658) 40X4520 Scanner support inner cover, right (X658) 40X4517...
  • Page 588: Assembly 4: Media Path, Pick Arm And Ducts

    7462 Assembly 4: Media path, pick arm and ducts 15 16 Service Manual...
  • Page 589 7462 Assembly 4: Media path, pick arm and ducts Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4305 550 Sheet pick arm assembly with spring 40X4307 Pick arm spring 40X4308 Pick roll assembly (2) 40X4310 550 Sheet media out actuator 40X4459 MPF lift plate assembly (X651, X652, X654, and X656) 40X4425...
  • Page 590: Assembly 5: Drive Motor Assemblies

    7462 Assembly 5: Drive motor assemblies 7-10 Service Manual...
  • Page 591 7462 Assembly 5: Drive motor assemblies Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4467 Redrive assembly 40X5851 Duplex drive motor assembly 40X4346 Duplex assembly with 2 belts and 2 pulleys 40X4351 Duplex guide handle 40X4352 Duplex guide, rear 40X4353 Duplex guide spring, rear 40X4349...
  • Page 592: Assembly 6: Printhead, Fuser Assembly, And Electronics

    7462 Assembly 6: Printhead, fuser assembly, and electronics 7-12 Service Manual...
  • Page 593 7462 Assembly 6: Printhead, fuser assembly, and electronics Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X1870 Fuser assembly 100V, type 1 40X4418 Fuser assembly 110V, type 1 40X1871 Fuser assembly 220V, type 1 40X5853 Fuser assembly 100V, type 2 40X5854 Fuser assembly 110V, type 2 40X5855...
  • Page 594: Assembly 7: Flatbed Scanner

    7462 Assembly 7: Flatbed scanner flatbed scanner ref LED 7-14 Service Manual...
  • Page 595 7462 Assembly 7: Flatbed scanner Asm- Part Units/ Units/ Description index number option 40X2165 Scanner unit assembly (X651, X652, X654, and X656) 40X2166 Scanner unit assembly (X658) 40X4527 Scanner exposure lamp 40X4526 Scanner CCD assembly 40X2171 Scanner interface card assembly 40X4523 Carriage belt 40X4534...
  • Page 596: Assembly 8: Adf Unit Assembly

    7462 Assembly 8: ADF unit assembly 7-16 Service Manual...
  • Page 597 7462 Assembly 8: ADF unit assembly Asm- Part Units/ Units/ Description index number option 40X2738 ADF unit assembly (X651 and X652) 40X2745 ADF unit assembly (X654, X656, and X658) 7-17 Parts catalog...
  • Page 598: Assembly 9: Adf Covers

    7462 Assembly 9: ADF covers 7-18 Service Manual...
  • Page 599 7462 Assembly 9: ADF covers Asm- Part Units/ Units/ Description index number option 40X4537 ADF top door assembly 40X4561 ADF document tray assembly 40X3439 Left hinge assembly 40X2746 ADF cover cap, rear left (X651 and X652) 40X4563 Right hinge assembly 40X4539 ADF cover, rear 40X4564...
  • Page 600: Assembly 10: Adf Feed And Drive

    7462 Assembly 10: ADF feed and drive 7-20 Service Manual...
  • Page 601 7462 Assembly 10: ADF feed and drive Asm- Part Units/ Units/ Description index number option 40X4540 ADF feed / pick roll assembly 40X4545 Spring 40X4543 Feed motor assembly with belt and cable 40X4544 Transport motor bracket assembly with cable 40X2759 Transport drive gear and pulley kit, rear 40X2749 Feed one-way bearing and gear kit...
  • Page 602: Assembly 11: Adf Electronics

    7462 Assembly 11: ADF electronics 7-22 Service Manual...
  • Page 603 7462 Assembly 11: ADF electronics Asm- Part Units/ Units/ Description index number option 40X4606 Sensor (ADF media exit) bracket assembly (X651 and X652) 40X4607 Sensor (ADF media exit) bracket assembly with fan (X654, X656, and X658) 40X4549 Sensor (ADF top door interlock) 40X4608 ADF filter and cover (X654, X656, and X658) 40X3142...
  • Page 604: Assembly 12: 550 Sheet Option Tray Assembly (X658)

    7462 Assembly 12: 550 Sheet option tray assembly (X658) 7-24 Service Manual...
  • Page 605 7462 Assembly 12: 550 Sheet option tray assembly (X658) Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X3967 Complete 550 sheet option tray assembly (X658) 40X3454 550 Sheet pick arm bracket assembly 40X4307 550 Sheet bellcrank recoil spring 40X4308 Pick roll assembly (2) 40X4369...
  • Page 606: Assembly 13: 250 Sheet Option Tray Assembly (X651, X652, X654, And X656)

    7462 Assembly 13: 250 Sheet option tray assembly (X651, X652, X654, and X656) 7-26 Service Manual...
  • Page 607 7462 Assembly 13: 250 Sheet option tray assembly (X651, X652, X654, and X656) Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4569 Complete 250 sheet option tray assembly 40X3447 250 Sheet pick arm bracket assembly 40X3448 250 Sheet bellcrank recoil spring 40X4308 Pick roll assembly (2) 40X4369...
  • Page 608: Assembly 14: 550 Sheet Option Tray Assembly (X651, X652, X654, And X656)

    7462 Assembly 14: 550 Sheet option tray assembly (X651, X652, X654, and X656) 7-28 Service Manual...
  • Page 609 7462 Assembly 14: 550 Sheet option tray assembly (X651, X652, X654, and X656) Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4576 Complete 550 sheet option tray assembly 40X3454 550 Sheet pick arm bracket assembly 40X4307 550 Sheet bellcrank recoil spring 40X4308 Pick roll assembly (2) 40X4369...
  • Page 610: Assembly 15: Hcit Sheet Option Tray Assembly (X651, X652, X654, And X656)

    7462 Assembly 15: HCIT Sheet option tray assembly (X651, X652, X654, and X656) 7-30 Service Manual...
  • Page 611 7462 Assembly 15: HCIT Sheet option tray assembly (X651, X652, X654, and X656) Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4579 Complete HCIT option tray assembly 40X4590 HCIT pick arm bracket assembly 40X4595 Pick arm sensor cable assembly 40X4591 HCIT bellcrank recoil spring 40X4308...
  • Page 612: Assembly 16: Mfp Stapler Assembly

    7462 Assembly 16: MFP stapler assembly 7-32 Service Manual...
  • Page 613 7462 Assembly 16: MFP stapler assembly #1 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X7026 MFP stapler assembly (comes completely assembled) 7-33 Parts catalog...
  • Page 614: Assembly 17: Mfp Stapler Assembly #2

    7462 Assembly 17: MFP stapler assembly #2 7-34 Service Manual...
  • Page 615 7462 Assembly 17: MFP stapler assembly #2 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4612 Handle cover 40X4613 Rear door assembly 40X4730 Stapler cover 40X4764 Hollow cover 40X4610 Right cover 40X5544 Sensor (bin full receive) 40X4617 Finisher bin spring 40X5545 Standard output bin LED...
  • Page 616: Assembly 18: Mfp Stapler Assembly #3

    7462 Assembly 18: MFP stapler assembly #3 7-36 Service Manual...
  • Page 617 7462 Assembly 18: MFP stapler assembly #3 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4645 Media stack flap actuator 40X4646 Media stack flap 40X4369 Sensor (media stack) 40X4621 Left tamper motor assembly 40X4622 Right tamper motor assembly 40X4624 Tamper recoil spring 40X4369...
  • Page 618: Assembly 19: Mfp Stapler Assembly #4

    7462 Assembly 19: MFP stapler assembly #4 7-38 Service Manual...
  • Page 619 7462 Assembly 19: MFP stapler assembly #4 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4641 Stapler assembly 40X5909 Sensor (media in stapler) 7-39 Parts catalog...
  • Page 620: Assembly 20: Mfp Offset Stacker Assembly #1

    7462 Assembly 20: MFP offset stacker assembly #1 7-40 Service Manual...
  • Page 621 7462 Assembly 20: MFP offset stacker assembly #1 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X7025 MFP offset stacker assembly (comes completely assembled) 7-41 Parts catalog...
  • Page 622: Assembly 21: Mfp Offset Stacker #2

    7462 Assembly 21: MFP Offset stacker #2 7-42 Service Manual...
  • Page 623 7462 Assembly 21: MFP Offset stacker #2 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4612 Handle cover 40X4613 Rear door assembly 40X4730 Stapler cover 40X4610 Right cover 40X5544 Sensor (bin full receive) 40X4617 Finisher bin spring 40X5545 Standard output bin LED 40X5727...
  • Page 624: Assembly 22: Mfp Offset Stacker #3

    7462 Assembly 22: MFP Offset stacker #3 7-44 Service Manual...
  • Page 625 7462 Assembly 22: MFP Offset stacker #3 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4645 Media stack flap actuator 40X4646 Media stack flap 40X4369 Sensor (media stack) 40X4621 Left tamper motor assembly 40X4622 Right tamper motor assembly 40X4624 Tamper recoil spring 40X4369...
  • Page 626: Assembly 23: Mfp 4-Bin Mailbox Assembly #1

    7462 Assembly 23: MFP 4-bin mailbox assembly #1 7-46 Service Manual...
  • Page 627 7462 Assembly 23: MFP 4-bin mailbox assembly #1 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X7024 MFP 4 bin mailbox assembly (comes completely assembled) 7-47 Parts catalog...
  • Page 628: Assembly 24: Mfp 4-Bin Mailbox Assembly #2

    7462 Assembly 24: MFP 4-bin mailbox assembly #2 7-48 Service Manual...
  • Page 629 7462 Assembly 24: MFP 4-bin mailbox assembly #2 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4644 Top media bin bail 40X4642 Top cover 40X4135 1st - 3rd media bail 40X4640 Left cover 40X4638 Left rear inner cover 40X4369 Sensor (deflector gate HP) 40X4632...
  • Page 630: Assembly 25: Mfp 4-Bin Mailbox Assembly #3

    7462 Assembly 25: MFP 4-bin mailbox assembly #3 7-50 Service Manual...
  • Page 631 7462 Assembly 25: MFP 4-bin mailbox assembly #3 Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X5750 Spring 40X5728 Sensor (pass through) 40X4635 Deflector gate solenoid 40X5751 Attach roller 40X5545 Standard output bin LED 40X5727 LED clear lens 40X4647 Output bin LED bracket 40X4136...
  • Page 632: Assembly 26: Envelope Feeder

    7462 Assembly 26: Envelope feeder 7-52 Service Manual...
  • Page 633 7462 Assembly 26: Envelope feeder Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X5739 Envelope feeder (X658 only) 7-53 Parts catalog...
  • Page 634: Assembly 27: Electrical Cables

    7462 Assembly 27: Electrical cables 7-54 Service Manual...
  • Page 635 7462 Assembly 27: Electrical cables Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X4357 Duplex cooling fan cable assembly 40X4360 Print cartridge cooling fan cable assembly 40X4361 HVPS/sensor cable assembly 40X4379 Toner density sensor cable assembly 40X4419 Fuser interface cable assembly 40X2019 Envelope/input option tray cable assembly (X658)
  • Page 636: Assembly 28: Miscellaneous

    Lexmark N4050e (1 port USB) wireless 802.11g (US/Americas) 40X1593 Lexmark MarkNet N7002e (1 port parallel) ethernet 10baseT/100BaseTX 40X1594 Lexmark MarkNet N7002e (1 port parallel) ethernet 10base T/100Base TX 40X1592 Lexmark MarkNet N7020e (4 port USB) ethernet 10base T/100Base TX/1000BaseT 40X4819...
  • Page 637: Assembly 29: Power Cords

    7462 Assembly 29: Power cords Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X0269 Power cord LV, USA & Canada, Latin America 40X0288 Power cord HV, Argentina 40X0273 Power cord HV, Chile, Uruguay 40X3141 Power cord HV, Paraguay, Austria, Belgium, France, Germany, Italy, Netherlands, Bluemark, Czech &...
  • Page 638: Assembly 30: Universal Trays And Accessories

    7462 Assembly 30: Universal trays and accessories Asm- Part Units/ Units/ kit Description Index number mach or pkg 40X5857 Universal media drawer with tray, 200 sheet (X651, X652, X654, and X656) 40X5858 Universal media tray, 200 sheet (X651, X652, X654, and X656) 40X5859 Universal media drawer with tray, 400 sheet (X651, X652, X654, and X656) 40X5860...
  • Page 639 7462 Index diagnostics menu accessing 3-77 acronyms available tests ADF & scanner image quality 3-20 BASE SENSOR TEST 2-185 dark image quality DEVICE TESTS adjustments 3-21 Disk Test/Clean fuser solenoid 3-21 Quick Disk Test gap adjustment DUPLEX TESTS 3-27 ASIC Test 3-18 Duplex Feed 1 3-18...
  • Page 640 3-40 Key Repeat Rate 3-23 Edge to Edge 3-33 Energy Conserve 3-40 LES Applications 3-22 Engine Setting 3-40 Lexmark Embedded Solution 3-36 Envelope Prompts ii-xxiii 4-51 lithium battery error codes lubrication specifications 2-137 2-148 200.00 sensor (registration) late jam 2-150 2-139 200.01 sensor (registration) lag jam...
  • Page 641 7462 3-68 document scanning 3-68 document scanning at platen 3-77 unique tools 3-58 drive 3-59 electrical components and controller 3-58 exit 3-24 warm up time 3-44 functions of main components 3-39 Wipe Disk 3-44 3-79 media tray assembly 3-40 Wiper Message 3-45 3-79 rear media guide...
  • Page 642 7462 Service Manual...
  • Page 643: Part Number Index

    Lexmark MarkNet N7002e (1 port parallel) ethernet 10baseT/100BaseTX - - - - - - - - - - - - - - - - - - - - - 7-56 40X1594 Lexmark MarkNet N7002e (1 port parallel) ethernet 10base T/100Base TX - - - - - - - - - - - - - - - - - - - - 7-57 40X1772...
  • Page 644 7462 7-55 40X2045 Operator panel cable assembly (X651, X652, X654, and X656) - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-13 40X2062 LVPS card assembly (X651, X652, X654, and X656) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 645 7462 7-25 40X4130 Cover, 550 sheet tray front - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-49 40X4135 1st - 3rd media bail - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 646 7462 40X4390 Machine pad - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 40X4392 Main cooling duct (X651, X652, X654, and X656) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 40X4394...
  • Page 647 7462 40X4520 Scanner support inner cover, right (X658) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-15 40X4521 Carriage drive motor assembly with cable - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 648 7462 7-31 40X4590 HCIT pick arm bracket assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-31 40X4591 HCIT bellcrank recoil spring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 649 Lexmark PrintCryption card - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 650 Lexmark N4000e print server - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-56 56P2744 Lexmark N4050e (1 port USB) wireless 802.11g (US/Americas) - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-56 7372935...
  • Page 651 Print defects guide Page 1 of 1 Print defects guide Match a set of repeating defects on a print job to the marks on one of the vertical lines. The line that best matches the defects on the print job indicates which particular part may be causing the defect. For example, the distance between these two marks represents a repeating defect that occurs every 28.3 mm (1.11 in.), which means the charge rollers may need to be replaced.
  • Page 652 7462 MFP Printhead Assembly LVPS Redrive Motor Sensor Cooling Assembly Print Cartridge Hard Drive (STD Bin Full) Cooling Fan Cooling Fan Power OP Panel USB Switch Fuser Port Power 250V CR08 250V Switch LVPS (Top Cover Interlock) AIO POWER Fax Card Assembly Card Assembly S COV CLOSE Print Cartridge...
  • Page 653 7462 MFP SCANNER/ADF SCANNER CCD ASSEMBLY INVERTER +18 CDU LAMP ON ADF Controller +24VDC MOTOR Card SENSOR (ADF PAPER (ADF TRANSPORT) WIDTH) +24VDC DIDTH1 WIDTH2 LENGTH +24VDC +5VDC SENSOR +5VDC MOTOR (ADF PAPER LENGTH) LED_ON (ADF FEED) +24VDC (PAPER PRESENT) CLOSING SENSOR nUICC M RESET...

Table of Contents