Evaluation and verification of operation in conjunction with other products, programs, or services, except those expressly designated by the manufacturer, are the user’s responsibility. Lexmark and the Lexmark logo are trademarks of Lexmark International, Inc., registered in the United States and/or other countries. PCL® is a registered trademark of the Hewlett-Packard Company. PCL is Hewlett-Packard ...
Service Manual Contents Product information ..................2 Edition notice....................3 Notices, conventions, and safety information Laser notice......................11 Avis relatif à l'utilisation du laser.................11 Aviso de láser ......................11 Laser-Hinweis......................12 Conventions ......................13 Safety information ....................14 Consignes de sécurité....................15 Información de seguridad..................16 Sicherheitshinweise....................
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Service Manual Erasing printer memory .....................46 Fixing print quality issues ..................47 Gray background or toner fog check ................. 47 Blank page check ...................... 50 Print is too dark check ....................53 Print is too light check ....................55 Paper curl check......................58 Folded or wrinkled paper check ................
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Service Manual 4y user attendance messages ................132 41‑43 user attendance messages ...................132 Mismatched supplies error service check................135 Toner cartridge service check..................136 8y user attendance messages ................137 80‑88 user attendance messages ...................137 Supplies low service check....................139 Printer hardware errors ..................141 111 errors......................... 141 111 error messages ......................141 Printhead service check ....................143 121 errors ........................
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Service Manual False bin full error service check ..................194 Fax symptoms ......................195 Fax symptoms .........................195 Fax error log codes......................196 Modem/fax card service check ..................203 Cannot set up etherFAX ....................205 Cannot send or receive faxes using etherFAX ..............206 Fax transmission service check..................207 Fax reception service check ....................
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Service Manual Entering the Configuration Menu................250 Config Menu ......................251 Service Engineer (SE) menu................256 Entering the SE Menu ..................... 256 General SE Menu....................257 Network SE Menu ....................258 Scanner SE Menu ....................260 Fax SE Menu......................261 EWS SE Menu ......................
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Service Manual Sensor (MPF paper present) removal ..............315 Right front door link removal ................... 317 MPF solenoid cable removal ................... 318 Main fan removal..................... 320 Speaker removal ..................... 322 Interlock switch removal ..................323 Front removals ....................324 Control panel removal ..................... 324 Upper front cover removal..................
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Service Manual Gears......................... 384 Paper path......................386 550‑sheet optional tray..................388 ADF and scanner ....................390 Miscellaneous ....................393 Printer specifications Power consumption................... 395 Product power consumption..................395 Sleep Mode ......................396 Hibernate Mode....................... 397 Off mode........................398 Total energy usage ....................399 Applicability of Regulation (EU) 2019/2015 and (EU) 2019/2020 ......
Notices, conventions, and safety information Notices, conventions, and safety information Laser notice The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, Chapter I, 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: 2014.
Notices, conventions, and safety information Los productos láser de Clase I no se consideran peligrosos. El sistema láser y la impresora se han diseñado para que el ser humano no acceda nunca a las radiaciones láser por encima del nivel de Clase I durante su uso normal, ni en tareas de mantenimiento o intervenciones de servicio técnico prescritas. El conjunto de cabezal de impresión de la impresora no se puede reparar y contiene un láser con las siguientes especificaciones: Class: IIIb (3b) AlGaInP...
Notices, conventions, and safety information Conventions Note: A note identifies information that could help you. Warning: A warning identifies something that could damage the product hardware or software. CAUTION: A caution indicates a potentially hazardous situation that could injure you. Different types of caution statements include: CAUTION—POTENTIAL INJURY Indicates a risk of injury.
Notices, conventions, and safety information Safety information • The safety of this product is based on testing and approvals of the original design and specific components. The manufacturer is not responsible for safety in the event of use of unauthorized replacement parts. •...
Notices, conventions, and safety information Only a Lexmark Inline Surge Protector that is properly connected between the printer and the power cord provided with the printer may be used with this product. The use of non-Lexmark surge protection devices may result in a risk of fire, property damage, or poor printer performance.
CAUTION—POTENTIAL INJURY Utilisez uniquement un parasurtenseur correctement raccordé à l'imprimante et au câble d'alimentation fourni avec la machine. L'utilisation de parasurtenseurs non fabriqués par Lexmark comporte un risque d'incendie et de dégâts matériels, et peut amoindrir les performances de l'imprimante. CAUTION—POTENTIAL INJURY N'utilisez pas ce produit avec un parasurtenseur en ligne.
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Lexmark debidamente conectado entre la impresora y el cable de alimentación que con ella se suministra. El uso de protectores de sobretensión de marcas distintas a Lexmark puede dar lugar a que el rendimiento de la impresora sea bajo, a daños materiales o a posibles...
Notices, conventions, and safety information CAUTION—POTENTIAL INJURY No utilice este producto con un protector de sobretensión. El uso de un dispositivo de protección contra sobretensión puede dar lugar a que el rendimiento de la impresora sea bajo, a daños materiales o a posibles incendios.
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Brandgefahr, Beschädigung von Eigentum oder einer eingeschränkten Druckerleistung führen kann. CAUTION—POTENTIAL INJURY Mit diesem Produkt darf nur ein Lexmark Inline Surge Protector verwendet werden, der vorschriftsgemäß zwischen dem Drucker und dem mitgelieferten Netzkabel angeschlossen ist. Die Verwendung von nicht von Lexmark stammenden Überspannungsschutzgeräten kann zu Brandgefahr,...
Change history Change history Change history February 14, 2024 • Updated the HVPS removal topic of the Parts removal chapter. See HVPS removal on page 307. • Added the following topics to the Parts removal chapter: ◦ Left paper tray guide removal on page 297 ◦...
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Change history ◦ ADF and scanner removal. See ADF and scanner removal on page 352. ◦ Controller board removal. See Controller board removal on page 301. January 31, 2023 • Added error code 845.02. See 840–845 error messages on page 164 in the Diagnostics and troubleshooting chapter.
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Change history ◦ Covers. Updated the units/FRU for upper front cover with decals. See Covers on page 376. ◦ Electronics. Added 41X4479 controller board (MB3442adw, MX431adw, XM1342); updated the art and units/FRU for toner cartridge contact and; updated the units/FRU for transfer roller, bearing, and spring.
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Change history ◦ 41X4195 ◦ 41X4196 July 21, 2021 • Changed PN 41X2589 to PN 41X2598 in the notes in assembly 7 of the Parts catalog chapter. See ADF and scanner on page 390. June 24, 2021 • Added the 900 error messages topic in the Diagnostics and troubleshooting chapter. See 900 error messages on page 177.
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Change history ◦ Fax symptoms ◦ Fax error log codes ◦ Modem/fax card service check ◦ Cannot set up etherFAX ◦ Cannot send or receive faxes using etherFAX ◦ Fax transmission service check ◦ Fax reception service check ◦ Lost connection to HTTPS fax server when using etherFAX service check ◦...
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Change history ◦ ADF jam service check ◦ ADF failure service check ◦ Scanner communication error service check ◦ Scanner communication failure service check ◦ Scanner noise service check ◦ Duplex scan error service check • Updated the Config menu topic in the Service menus chapter. •...
General information General information Printer model configurations The Lexmark MX331, Lexmark MB3442, Lexmark MX431, and Lexmark XM1342 MFPs are small, monochrome, network‑capable, laser printers. MX331adn, MB3442adw, MB3442i, MX431adn, MX431adw, and XM1342 models Model Configurations Machine type/model MX331adn Network-ready 7019-235 monochrome laser four‑in‑one MFP with 2.8- inch touch screen, 40 ppm,...
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General information Continued from page 26 Model Configurations Machine type/model MX431adw Network-ready 7019-4b6 monochrome laser XM1342 7019-489 four‑in‑one MFP with 2.8- inch touch screen, 42 ppm, wireless, Gigabit Ethernet, front USB, internal duplex printing, and duplex scanning for small workgroups.
General information Supported paper sizes, types, and weights Supported paper sizes Supported paper sizes Paper Standard Optional Multipurpose Two‑sided Scanner size 250‑sheet 550‑sheet feeder printing tray tray ✓ ✓ ✓ ✓ ✓ ✓ 210 x 297 mm (8.27 x 11.7 in.) ✓ ✓ ✓ ✓ ✓ Portrait (SEF) 148 x 210 mm...
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General information Continued from page 28 Paper Standard Optional Multipurpose Two‑sided Scanner size 250‑sheet 550‑sheet feeder printing tray tray ✓ ✓ ✓ Hagaki 100 x 148 mm (3.94 x 5.83 in.) ✓ ✓ ✓ ✓ ✓ Statement 139.7 x 215.9 mm (5.5 x 8.5 in.) ✓ ✓ ✓ ✓ ✓ Executive 184.2 x 266.7 mm (7.25 x 10.5 in.) ✓...
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General information Continued from page 29 Paper Standard Optional Multipurpose Two‑sided Scanner size 250‑sheet 550‑sheet feeder printing tray tray 98.4 x 190.5 mm (3.875 x 7.5 in.) ✓ ✓ 9 Envelope 98.4 x 225.4 mm (3.875 x 8.9 in.) ✓ ✓ 10 Envelope 104.8 x 241.3 mm (4.12 x 9.5 in.) ✓ ✓ DL Envelope 110 x 220 mm (4.33 x 8.66 in.) ✓ ✓ C5 Envelope 162 x 229 mm (6.38 x 9.01 in.) ✓...
✓ MX431dn ✓ ✓ ✓ ✓ XM1342 Needs a subscription. For more information, go to https://www.etherfax.net/lexmark contact the place where you purchased the printer. Needs an installed license bundle. For more information, contact the place where you purchased the printer.
General information Tools required for service • Flat-blade screwdrivers, various sizes • #1 Phillips screwdriver, magnetic • #2 Phillips screwdriver, magnetic • #2 Phillips screwdriver, magnetic short-blade • Torx screwdriver (T20 head) • Needle‑nose pliers • Diagonal side cutters • Spring hook •...
Diagnostics and troubleshooting Diagnostics and troubleshooting Troubleshooting precautions CAUTION—SHOCK HAZARD When you see this symbol on the product, 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.
Diagnostics and troubleshooting Précautions de dépannage CAUTION—SHOCK HAZARD Ce symbole indique un danger lié à des niveaux de tension dangereux dans la zone du produit à manipuler. Débranchez le produit avant de commencer, ou agissez avec prudence si le produit doit être alimenté pour effectuer l'opération.
Diagnostics and troubleshooting Precauciones durante la solución de problemas CAUTION—SHOCK HAZARD Cuando vea este símbolo en el producto, existe peligro de tensiones peligrosas en el área del producto en la que está trabajando. Desconecte el producto antes de empezar o tenga cuidado si el producto debe recibir alimentación a fin de realizar la tarea.
Diagnostics and troubleshooting Vorsichtsmaßnahmen bei der Fehlerbehebung CAUTION—SHOCK HAZARD Wenn Sie dieses Symbol sehen, besteht eine Gefahr durch gefährliche Spannungen in dem Produktbereich, in dem Sie arbeiten. Trennen Sie das Produkt von seiner Stromverbindung, bevor Sie beginnen, oder gehen Sie vorsichtig vor, wenn das Produkt für die Durchführung der Aufgabe mit Strom versorgt werden muss.
Diagnostics and troubleshooting Troubleshooting overview Performing the initial troubleshooting check • With the power cord unplugged from the electrical outlet, check if the cord is free from breakage, short circuits, disconnected wires, or incorrect connections. • Make sure that the printer is properly grounded. •...
Diagnostics and troubleshooting Using Safe Mode Safe Mode lets the printer continue to operate in a special limited mode in which it attempts to continue offering as much functionality as possible despite known issues. Note: • When in Safe Mode, the printer only prints in simplex mode from tray 1 at the slowest operating point.
Diagnostics and troubleshooting Securing the printer Resetting the printer without admin credentials Note: • Resetting the printer or replacing the controller board deletes all security settings. • Before changing the security settings, ask permission from your administrator. Perform an Out of Service Erase to reset the printer to factory defaults without using admin credentials.
Diagnostics and troubleshooting Using the security reset jumper The security reset jumper is on the controller board. It can be used if the admin password is lost or forgotten, and Out of Service Erase is not available. Note: • To enable the effect of the security reset jumper, from the home screen navigate to: Security >...
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Diagnostics and troubleshooting Note: • The security framework remains in place after the reset. Public permissions are reset to default and now include Out of Service Erase as an option. • If LDAP is used to authenticate the copy function in MFPs, then the LDAP configuration and copy function are no longer protected.
Diagnostics and troubleshooting Data security notice Identifying printer memory • Volatile memory—The printer uses standard random access memory (RAM) to buffer user data temporarily during simple print and copy jobs. • Nonvolatile memory—The printer may use two forms of nonvolatile memory: EEPROM and NAND (flash memory). Both types are used to store the operating system, printer settings, network information, scanner and bookmark settings, and embedded solutions. •...
Diagnostics and troubleshooting Fixing print quality issues Gray background or toner fog check Note: Before performing this print quality check, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Perform the following tests:...
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Diagnostics and troubleshooting ◦ The problem is solved. Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦ Yes: Go to step 5.
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. Replace the HVPS. See HVPS removal on page 307. Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Yes: Go to the next step. ◦ The problem is solved. Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Remove any packing material left on the imaging unit. Note: You may need a pair of pliers to remove pieces of plastic inside the imaging unit.
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Diagnostics and troubleshooting Make sure that the HVPS1 cable on the controller board and HVPS is properly connected. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Replace the HVPS. See HVPS removal on page 307.
Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting Make sure that there are no obstructions between the charge roller and photoconductor drum. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Turn off the printer, wait for 10 seconds, and then turn on the printer. Set the toner darkness to a lighter setting.
Yes: Go to the next step. ◦ The problem is solved. Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting Insert a genuine and supported Lexmark toner cartridge. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Turn off the printer, wait for 10 seconds, and then turn on the printer.
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Diagnostics and troubleshooting Go to the next step. Reinstall or replace the transfer roller. See .Transfer roller removal on page 328 Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Replace the imaging unit. See .Transfer roller removal on page 328 Does the problem remain? ◦...
Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Make sure that the paper guide setting matches the size of the paper loaded. Does the problem remain? ◦ Yes: Go to the next step. ◦...
Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Perform the following tests: Check if the printer is using a non-Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Make sure that the toner cartridge is compatible with the imaging unit.
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Diagnostics and troubleshooting ◦ The problem is solved. Perform the following tests: Check the toner cartridge for leaks. Using an approved toner vacuum, completely remove the stray toner from the printer, toner cartridge, and imaging unit. Does the problem remain? ◦...
Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting Check the charge roller contact on the right side of the imaging unit for damage and contamination. Is the charge roller contact free of damage and contamination? ◦ Yes: Go to step 6. ◦ Go to the next step. Perform the following tests: Perform a POR.
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Diagnostics and troubleshooting Replace the HVPS. See HVPS removal on page 307. Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting Skewed print check Note: Before performing this print quality check, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Check the guides in the tray where the skewed prints are printed from.
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform a print test. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Check the guides in the MPF tray. Does the position of the guides match the paper loaded? ◦...
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Diagnostics and troubleshooting ◦ The problem is solved. Reinstall or replace the transfer roller. See .Transfer roller removal on page 328 Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Replace the imaging unit. Does the problem remain? ◦...
Yes: Go to the next step. ◦ The problem is solved. Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting Go to the next step. ◦ The problem is solved. Check the status of the imaging unit. Is the imaging unit near its end of life? ◦ Yes: Go to step 6. ◦ Go to the next step. Remove, and then insert the imaging unit.
Diagnostics and troubleshooting Streaked vertical lines appear on prints during a copy job check Note: Before performing this print quality check, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Perform the following tests:...
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. With the scanner cover open, perform a copy job to check the scanner lamp. Note: The scanner lamp must light up and move along the scan area. Is the scanner lamp functional? ◦...
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Diagnostics and troubleshooting Check the firmware version. Is the firmware updated to the latest version? ◦ Yes: Go to step 11. ◦ Go to the next step. Update the firmware. Does the problem remain? ◦ Yes: Go to the next step. ◦...
Diagnostics and troubleshooting Horizontal light bands check Note: Before performing this print quality check, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Check if the banding is along the edge of the paper.
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Diagnostics and troubleshooting The problem is solved. Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦ Yes: Contact the next level of support.
Yes: Go to the next step. ◦ The problem is solved. Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Remove the imaging unit. Clean the printhead laser glass window with a soft cloth. Does the problem remain? ◦...
Diagnostics and troubleshooting Vertical dark bands check Note: Before performing this print quality check, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Check if the banding is along the edge of the paper.
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Diagnostics and troubleshooting ◦ The problem is solved. Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦ Yes: Go to step 6.
Yes: Go to the next step. ◦ The problem is solved. Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Remove any packing material left on the imaging unit. Note: You may need a pair of pliers to remove pieces of plastic inside the imaging unit.
Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting The problem is solved. Check the status of the imaging unit. Is the imaging unit near its end of life? ◦ Yes: Go to the next step. ◦ Contact the next level of support. Replace the imaging unit. Does the problem remain? ◦...
The problem is solved. Remove, and then insert the toner cartridge. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Check if the printer is using a genuine and supported Lexmark toner cartridge.
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Diagnostics and troubleshooting Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦ Yes: Go to step 5. ◦ Go to the next step. Insert a genuine and supported Lexmark toner cartridge. Does the problem remain? ◦...
Diagnostics and troubleshooting Incorrect margins on prints check Note: Before performing this print quality check, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Adjust the guides in the tray to match the size of the paper loaded.
Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting ◦ The problem is solved. Remove, and then install the fuser. See .Fuser removal on page 337 Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Replace the fuser. Does the problem remain? ◦...
Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Check if the printer is using a genuine and supported Lexmark toner cartridge. Note: If the printer is using a third‑party cartridge, then refer the users to their cartridge supplier. Is the printer using a genuine and supported Lexmark toner cartridge? ◦...
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Diagnostics and troubleshooting Go to step 5. Replace the imaging unit. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Check if toner specks appear only on the edges or back side of the paper. Do toner specks appear only on the edges or back side of the paper? ◦...
Diagnostics and troubleshooting Toner specks appear on prints during a copy job check Note: Before performing this print quality check, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Clean the scanner.
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Diagnostics and troubleshooting The problem is solved. Perform the following tests: Make sure that the controller board is properly installed. Reseat all the cables on the controller board. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved.
Diagnostics and troubleshooting Repeating defects check Note: Before performing this print quality check, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages, and then perform the initial print quality check. See Performing the initial troubleshooting check on page Using the Print Quality Test Pages, check if the distance between the repeating defects is...
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Diagnostics and troubleshooting Go to step 5. Replace the toner cartridge. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Check if the distance between the repeating defects is equal to 52 mm (2.05 in.). Does the distance between the repeating defects match the measurement? ◦ Yes: Go to the next step.
Diagnostics and troubleshooting Paper jams 200 paper jams 200 paper jam messages 200 paper jam messages Error code Description Action 200.02 Paper fed from the MPF Sensor (input): Paper was detected earlier than arrived too early jam service expected at the sensor check on page (input).
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Diagnostics and troubleshooting Continued from page 94 Error code Description Action expected at the sensor (input). 200.23 Paper fed from tray 2 was Sensor (input): Paper detected later than failed to arrive jam service expected or was never check on page 100.
Diagnostics and troubleshooting Sensor (input): Paper arrived too early jam service check Identify the source tray. Is MPF the source tray? ◦ Yes: Go to the next step. ◦ Go to step 4. Perform the following tests: Make sure that the MPF pick roller is free of contamination. Clean the MPF pick roller.
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Enter the Diagnostics menu, and then navigate to: Printer diagnostics & adjustments > Sensor tests Find the sensor (input). Make sure that the sensor actuator freely moves and is not stuck. Does the sensor status change while toggling the sensor? ◦...
Diagnostics and troubleshooting Sensor (input): Paper cleared too early jam service check Perform the following tests: Remove the tray insert. Make sure that the paper is properly loaded in the tray. From the printer control panel or Printing Preferences or Print dialog, verify the paper size settings.
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Enter theDiagnostics menu, and then navigate to: Printer diagnostics & adjustments > Sensor tests Find the sensor (input). Make sure that the sensor actuator freely moves and is not stuck. Does the sensor status change while toggling the sensor? ◦...
Diagnostics and troubleshooting Sensor (input): Paper failed to arrive jam service check Note: This service check is not applicable to tray 2. Perform the following tests: Remove the tray insert. Make sure that the paper is properly loaded in the tray. From the printer control panel or Printing Preferences or Print dialog, verify the paper size settings.
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Diagnostics and troubleshooting Replace the crumpled, damaged, or deformed paper. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Enter theDiagnostics menu, and then navigate to: Printer diagnostics & adjustments > Sensor tests Find the sensor (input).
Diagnostics and troubleshooting Sensor (input): Paper failed to clear jam service check Perform the following tests: Remove the tray insert. Make sure that the paper is properly loaded in the tray. From the printer control panel or Printing Preferences or Print dialog, verify the paper size settings.
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. Identify the source tray. Is MPF the source tray? ◦ Yes: Go to the next step. ◦ Go to step 9. Make sure that the MPF pick roller is free of contamination. Does the problem remain? ◦...
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Diagnostics and troubleshooting Make sure that the sensor actuator freely moves and is not stuck. Does the sensor status change while toggling the sensor? ◦ Yes: Go to step 13. ◦ Go to the next step. Perform the following tests: Remove the right cover.
Diagnostics and troubleshooting Sensor (input): Static jam service check Check the paper path for paper fragments and partially fed paper. Is the paper path free of paper fragments and partially fed paper? ◦ Yes: Go to step 3. ◦ Go to the next step. Remove the paper fragments and partially fed paper.
Diagnostics and troubleshooting 202 paper jams 202 paper jam messages 202 paper jam messages Error code Description Action 202.03 Paper fed from the MPF Sensor (fuser exit): never arrived at the sensor Paper failed to arrive jam (fuser exit). service check on page 107.
Diagnostics and troubleshooting Sensor (fuser exit): Paper failed to arrive jam service check Check the fuser paper path for paper fragments and partially fed paper. Is the fuser paper path free of paper fragments and partially fed paper? ◦ Yes: Go to step 3.
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Diagnostics and troubleshooting Does the sensor status change while toggling the sensor? ◦ Yes: Go to step 7. ◦ Go to the next step. Perform the following tests: Remove the right cover. See .Right cover removal on page 298 Make sure that the JEXIT1 sensor cable is properly connected to the controller board. Does the problem remain? ◦...
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Replace the main drive gears. See .Main drive gears removal on page 285 Does the problem remain? ◦ Yes: Go to the next step. ◦...
Diagnostics and troubleshooting Sensor (fuser exit): Paper cleared too early jam service check Remove all paper from the bin. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Check the fuser exit area, rear door, and redrive area for jammed paper or paper fragments. Are there jammed paper or paper fragments? ◦...
Diagnostics and troubleshooting Sensor (fuser exit): Paper failed to clear jam service check Perform the following tests: Make sure that the fuser exit area, rear door, and redrive area are free of jammed paper or paper fragments Make sure that the rear door can properly close. Check the rear door for damage.
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. Check the redrive for damage. Is the redrive free of damage? ◦ Yes: Go to step 8. ◦ Go to the next step. Replace the redrive. See .Redrive removal on page 342 Does the problem remain? ◦...
Diagnostics and troubleshooting Sensor (fuser exit): Static jam service check Remove paper fragments and partially fed paper. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Enter the Diagnostics menu, and then navigate to: Printer diagnostics &...
Diagnostics and troubleshooting 232 paper jams 232 paper jam messages 232 paper jam messages Error code Description Action 232.03 Paper fed from MPF was Sensor (input): Paper detected later than (duplex job) failed to arrive expected or was never jam service check on page detected at the sensor 116.
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Diagnostics and troubleshooting Continued from page 114 Error code Description Action sensor (input) during a duplex print job.
Diagnostics and troubleshooting Sensor (input): Paper (duplex job) failed to arrive jam service check Remove all paper from the bin, and then resend the print job. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Check the fuser access area for jammed paper and obstructions.
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Diagnostics and troubleshooting Go to the next step. Reseat the duplex guide, and then make sure that it is properly closed. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Check the duplex guide for damage. Is the duplex guide free of damage? ◦...
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Diagnostics and troubleshooting ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting 242 paper jams 242 paper jam messages 242 paper jam messages Error code Description Action 242.26 Paper fed from tray 2 was Optional tray pick drive picked but it never reached failure service check on the sensor (input). page 154.
Diagnostics and troubleshooting 280–295 paper jams 280–295 paper jam messages 280–295 paper jams Error code Description Action 280.11 Paper remains detected at .ADF jam service the sensor (ADF scan) after check on page 121 the printer is turned on. 280.13 Paper never arrived at the sensor (ADF scan). 280.15 Paper never cleared the sensor (ADF scan).
Diagnostics and troubleshooting ADF jam service check Perform the following tests: Check the ADF paper path for paper fragments, partially fed paper, and obstructions. ◦ Under the ADF cover ◦ Under the ADF ◦ ADF bin Is the paper path free of paper fragments, partially fed paper, and obstructions? ◦...
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Diagnostics and troubleshooting ◦ Yes: Go to step 7. ◦ Go to the next step. Clean the affected components or replace the ADF cover. See ADF cover removal on page 349. Does the problem remain? ◦ Yes: Go to the next step. ◦...
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ Go to step 16. Perform the following tests: Enter the Diagnostics menu, and then navigate to: Scanner diagnostics > Sensor tests Run the test on the following sensors: ▪ ADF paper present ▪...
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Check the scanner and its components for damage. ◦ Belt ◦ Cables Is the scanner free of damage? ◦ Yes: Go to step 17. ◦...
Diagnostics and troubleshooting User attendance messages 29-33 user attendance messages 29–33 user attendance messages 29–33 user attendance messages Error code Description Action 29.xx Packing material present on Remove the packing supplies. material from the supplies. 31.40 The toner cartridge is Unsupported or missing or unresponsive. unresponsive toner cartridge service check on page 130.
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Diagnostics and troubleshooting Continued from page 125 Error code Description Action cartridge only when prompted to do so. • Replace the used SWE toner cartridge only with a newly ordered aftermarket toner cartridge compatible with the printer. 32.40E The toner cartridge is unsupported.
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32.60E The imaging unit is unsupported. 32.60F The imaging unit is unsupported. 33.40 A non-Lexmark black toner Unsupported or cartridge was detected. unresponsive toner 33.60 cartridge service check on page 130.
Diagnostics and troubleshooting Unsupported or unresponsive imaging unit service check Check whether the imaging unit installed is genuine and supported by the printer model. Is the imaging unit a genuine and supported Lexmark unit? ◦ Yes: Go to step 3.
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. Reseat the smart chip contact cable on the controller board. Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting Unsupported or unresponsive toner cartridge service check Check whether the toner cartridge installed is genuine. Is the cartridge a genuine and supported Lexmark unit? ◦ Yes: Go to step 3. ◦ Go to the next step. Install a genuine and supported Lexmark toner cartridge.
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Diagnostics and troubleshooting ◦ The problem is solved. Reseat the smart chip contact cable on the controller board. Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting 4y user attendance messages 41‑43 user attendance messages Note: The .xy in the error code after 42 indicates the printer and cartridge regions. Where x is the printer region and y is the cartridge region. The numeric value is from 0 to 6. See the following table for the xy definitions: Printer and toner cartridge regions Region Numeric code...
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Diagnostics and troubleshooting Continued from page 132 Error code Description Action 42.05 42.09 42.10 42.12 42.13 42.14 42.15 42.19 42.20 42.21 42.23 42.24 42.25 42.29 42.30 42.31 Toner cartridge region does Toner cartridge service not match the printer region. check on page 136.
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Diagnostics and troubleshooting Continued from page 133 Error code Description Action 42.51 42.52 42.53 42.54 42.59 42.90 42.91 42.92 42.93 42.94 42.95 43.40 A toner cartridge sensor error was detected.
Diagnostics and troubleshooting Mismatched supplies error service check Check whether the supplies installed are genuine and supported by the printer model. Are the supplies genuine and supported Lexmark units? ◦ Yes: Go to step 3. ◦ Go to the next step.
Diagnostics and troubleshooting Toner cartridge service check Make sure that the imaging unit and toner cartridge are genuine Lexmark supplies. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Shake the toner cartridge.
Diagnostics and troubleshooting 8y user attendance messages 80‑88 user attendance messages 80‑88 user attendance messages Error code Description Action 80.0x The remaining life of the Supplies low service fuser, pick roller, or transfer check on page 139. roller are nearly low. 80.1x The remaining life of the fuser, pick roller, or transfer roller are low.
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Diagnostics and troubleshooting Continued from page 137 Error code Description Action 88.4x The toner cartridge life has ended. The printer forces a hard stop on the toner cartridge.
Diagnostics and troubleshooting Supplies low service check Perform a print test on paper from a fresh package, and then check the result. Are there print quality defects on the test page? ◦ Yes: Go to the next step. ◦ Go to step 3. Identify, and then resolve the print quality defects. See the “Fixing print quality issues” ...
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Diagnostics and troubleshooting ◦ Pick roller ◦ Transfer roller Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting Printer hardware errors 111 errors 111 error messages 111 error messages Error code Description Action 111.20 Printhead error (mirror Printhead service motor lock) was detected check on page 143. before the motor was turned 111.21 No printhead power (+5 V) when the laser servo started.
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Diagnostics and troubleshooting Continued from page 141 Error code Description Action 111.40 The wrong printhead is installed. 111.91 Printhead error (bad facet time reading).
Diagnostics and troubleshooting Printhead service check Perform a POR. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Make sure that the JVD01 and JMIR1 cables are properly connected on the controller board.
Diagnostics and troubleshooting 121 errors 121 error messages 121 error messages Error code Description Action 121.00 Fuser did not reach the Fuser service check on required temperature. page 146. 121.02 Fuser went over the required temperature during EWC/line voltage detection. 121.04 During an attempt to heat up, the fuser relay was...
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Diagnostics and troubleshooting Continued from page 144 Error code Description Action can occur during printing or in standby mode. 121.22 Open fuser relay was detected. 121.23 Fuser relay was turned off, but the feedback to the engine code indicated that it was still open.
Go to the next step. ◦ The problem is solved. Check whether the fuser installed is genuine and supported by the printer model. Is the fuser a genuine and supported Lexmark unit? ◦ Yes: Go to the next step. ◦...
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Make sure that the JFUSER1 and JEXIT1 cables are properly connected on the controller board. Does the problem remain? ◦ Yes: Go to the next step.
Diagnostics and troubleshooting 126 errors 126 error messages 126 error messages Error code Description Action 126.01 Line frequency has gone LVPS service check on outside the operating range. page 149. 126.02 No line frequency was detected. 126.05 The LVPS power dropped but the printer was not in sleep mode.
Diagnostics and troubleshooting LVPS service check Make sure that the printer is directly plugged into the electrical outlet. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Make sure that the voltage output of the electrical outlet matches the voltage rating of the printer.
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. Perform a POR. Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting 140 errors 140 error messages 140 error messages Error code Description Action 140.80 Motor (main drive) does not Motor (main drive) turn on. service check on page 152. 140.81 Motor (main drive) does not turn off. 140.82 Motor (main drive) speed did not ramp up to the required level.
Diagnostics and troubleshooting Motor (main drive) service check Perform the following tests: Remove the imaging unit. Manually turn the photoconductor gear, and then check the cleaning blade for damage or failure. Does the photoconductor drum rotate? ◦ Yes: Go to step 3. ◦...
Diagnostics and troubleshooting 162 errors 162 error messages 162 error messages Error code Description Action 162.80 The motor (tray 2 pick) does Optional tray pick drive not turn on. failure service check on page 154. 162.81 The motor (tray 2 pick) does not turn off.
Diagnostics and troubleshooting Optional tray pick drive failure service check Check if the optional tray motor (pick) runs. Does the motor run? ◦ Yes: Go to step 3. ◦ Go to the next step. Reseat the motor cable, and then reseat the cable on the optional tray controller board. Does the problem remain? ◦...
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Diagnostics and troubleshooting Contact the next level of support. ◦ Go to the next step. Replace the tray insert. Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting 6yy errors 600‑680 error messages 600‑680 error messages Error code Description Action 600.01 Toner tally from the RIP was Resend the print job. If the not received. problem remains, then contact the next level of 600.02 Video did not start. support. 600.04 Duplex page was not picked.
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Diagnostics and troubleshooting Continued from page 156 Error code Description Action interlock system may be the cause. 611.33 Lost Hsync errors were detected during servo. 611.34 A mirror motor lock error was detected. 611.35 Mirror motor never got first lock. 611.36 Mirror motor lock never stabilized.
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Diagnostics and troubleshooting Continued from page 157 Error code Description Action 662.85 Jam detection caused by motor (tray 2) running too fast. 662.86 Jam detection caused by motor (tray 2) running too long. 680.20 During an ADF job, there ADF failure service was no paper detected on check on page 160.
Diagnostics and troubleshooting Fuser overheated service check Perform the following tests: Allow fuser to cool for three minutes. Resend the print job. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Replace the fuser. See .Fuser removal on page 337 Does the problem remain? ◦...
Diagnostics and troubleshooting ADF failure service check Perform the following tests: Check the ADF paper path for paper fragments, partially fed paper, and obstructions. ◦ Under the ADF cover ◦ Under the ADF ◦ ADF bin Is the paper path free of paper fragments, partially fed paper, and obstructions? ◦...
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Diagnostics and troubleshooting Scanner diagnostics > Sensor tests Run the test on the following sensors: ▪ ADF paper present ▪ ADF scan Does the sensor status change while toggling the sensors? ◦ Yes: Go to step 10. ◦ Go to the next step. Check the affected sensor and its flag for damage.
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Diagnostics and troubleshooting ◦ Yes: Go to the next step. ◦ The problem is solved. Check the controller board and its connector pins for damage. Are the controller board and its connectors free of damage? ◦ Yes: Contact the next level of support. ◦...
Diagnostics and troubleshooting Scanner communication error service check Perform the following tests: Remove the right cover. See .Right cover removal on page 298 Reseat the following cables on the controller board: ▪ JADFM1 ▪ JFBM1 ▪ JSCANSNS1 ▪ scanner ground cable Does the problem remain? ◦...
Diagnostics and troubleshooting 84y errors 840–845 error messages 840–845 error messages Error code Description Action 840.01 The scanner was manually Scanner disabled by the user. communication failure service check on page 165. 840.02 The scanner was automatically disabled by the printer after two consecutive hardware failures.
Diagnostics and troubleshooting Scanner communication failure service check Perform the following tests: Check the ADF paper path for paper fragments, partially fed paper, and obstructions. ◦ Under the ADF cover ◦ Under the ADF ◦ ADF bin Is the paper path free of paper fragments, partially fed paper, and obstructions? ◦...
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: Enter the Diagnostics menu, and then navigate to: Scanner diagnostics > Motor tests Select ADF transport, and then start the test. Does the motor run? ◦...
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Diagnostics and troubleshooting ◦ Go to step 13. Perform the following tests: Enter the Diagnostics menu, and then navigate to: Scanner diagnostics > Motor tests Select Scanner, and then start the test. Does the motor run? ◦ Yes: Go to step 14. ◦...
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Diagnostics and troubleshooting Go to the next step. ◦ The problem is solved. Check the controller board and its connector pins for damage. Are the controller board and its connectors free of damage? ◦ Yes: Contact the next level of support. ◦...
Diagnostics and troubleshooting Scanner noise service check With the scanner cover open, do a copy job to check the scanner lamp. Note: The scanner lamp must light up and move along the scan area. Is the scanner lamp functional? ◦ Yes: Go to step 3.
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Diagnostics and troubleshooting Check the firmware version. Is the firmware updated to the latest version? ◦ Yes: Go to step 7. ◦ Go to the next step. Update the firmware. Does the problem remain? ◦ Yes: Go to the next step. ◦...
Diagnostics and troubleshooting Duplex scan error service check Perform the following tests: Check the ADF paper path for paper fragments, partially fed paper, and obstructions. ◦ Under the ADF cover ◦ Under the ADF ◦ ADF bin Is the paper path free of paper fragments, partially fed paper, and obstructions? ◦...
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Diagnostics and troubleshooting Scanner diagnostics > Sensor tests Run the test on the following sensors: ▪ ADF paper present ▪ ADF scan Does the sensor status change while toggling the sensors? ◦ Yes: Go to step 8. ◦ Go to the next step. Check the affected sensor and its flag for damage.
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Diagnostics and troubleshooting Replace the ADF and scanner. See .ADF and scanner removal on page 352 Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting Procedure before starting the 9yy service checks Retrieve certain information that helps your next level of support in diagnosing the problem before replacing the controller board. Warning—Potential Damage Do not replace the controller board unless instructed by your next level of support. Collect the history information and firmware logs (Fwdebug and logs.tar.gz) from the SE menu.
Diagnostics and troubleshooting • Some printers are designed to restart automatically after a 9yy error. On these printers, you can retrieve the secondary crash code information using the SE menu. Open a web browser, type http://printer_IP_address/se, and then press Enter. Click Logs Gzip Compressed.
Diagnostics and troubleshooting D. Collecting information from the user Ask the user for information about the following: • Print job being run • Operating system being used • Print driver being used • Other information on what was happening when the 9yy error occurred...
Diagnostics and troubleshooting 900 errors 900 error messages Steps in solving the problem Error code Description Action 900.xx Unrecoverable RIP software 900 error service check error/illegal trap. on page 178.
Diagnostics and troubleshooting 900 error service check Perform the following tests: Perform a POR. Check if a 900.xx error code appears on the display. Does a 900.xx error code appear? ◦ Yes: Go to step 4. ◦ Go to the next step. Check if another type of error code appears instead of the 900.xx error code.
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Diagnostics and troubleshooting Check if the printer has a scanner. Does the printer have a scanner? ◦ Yes: Go to the next step. ◦ Go to step 8. Using the scanner, perform a one-page copy job in color. Does the problem remain? ◦...
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Diagnostics and troubleshooting Go to the next step. ◦ The problem is solved. Perform the following tests: Turn off the printer. Reseat all FFC type cables on the controller board, and then make sure that the cables are properly connected. Make sure that all the cables on the controller board and scanner are properly connected.
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Check if the printer has any of the following components installed: ◦ Memory options ◦ Fax card ◦ Modem ◦ Wireless and network option cards Is any of the components installed? ◦...
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Diagnostics and troubleshooting Perform the following tests: Turn off the printer. Replace the components that caused the error. Turn on the printer. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Replace the controller board. See .Controller board removal on page 301 Does the problem remain? ◦...
Diagnostics and troubleshooting 912 errors 912 error messages 912 error messages Error code Description Action 912.01 An engine error occurred. Resend the print job. If the problem remains, then 912.02 An engine error occurred. contact the next level of support. 912.04 An engine error occurred.
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Diagnostics and troubleshooting Continued from page 183 Error code Description Action 912.32 An engine error occurred. 912.33 An engine error occurred. 912.34 An engine error occurred. 912.35 An engine error occurred. 912.36 An engine error occurred. 912.38 An engine error occurred. Optional tray communication error service check on page...
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Diagnostics and troubleshooting Continued from page 184 Error code Description Action 912.65 An engine error occurred. 912.66 An engine error occurred. 912.69 An engine error occurred. 912.70 An engine error occurred. 912.72 An engine error occurred. 912.73 An engine error occurred. 912.74 An engine error occurred.
Diagnostics and troubleshooting Optional tray communication error service check Check the paper path and trays for paper fragments and partially fed paper. Is the paper path free of paper fragments and partially fed paper? ◦ Yes: Go to step 3. ◦...
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Diagnostics and troubleshooting Go to the next step. Replace the optional tray. Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting 938–992 errors 938–992 error messages 938–992 error messages Error code Description Action 938.yy Supplies security is not Restart the printer. If the enabled. problem remains, then contact the next level of support. 950.10 Non-Generic FRU installed. NVRAM mismatch failure service check on Mismatch between system page 189.
Diagnostics and troubleshooting NVRAM mismatch failure service check Warning—Potential Damage To avoid NVRAM mismatch issues, replace only one of the following components at a time: • Control panel • Controller board To replace a component and to test whether the problem is resolved: Replace the affected component.
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Diagnostics and troubleshooting ◦ The problem is solved. Replace the original control panel with a new control panel. Note: Make sure that the new control panel is not previously installed from another printer. Does the problem remain? ◦ Yes: Contact the next level of support. ◦...
Diagnostics and troubleshooting Other symptoms Base printer symptoms Base printer symptoms Base printer symptoms Symptom Action A false tray paper low message appears. Tray near empty service check on page 192. A false bin full message appears False bin full error service check on page 194.
Diagnostics and troubleshooting Tray near empty service check Check the actuator in the tray insert for damage. Is the actuator free of damage? ◦ Yes: Go to step 3. ◦ Go to step 2. Replace the tray insert. Does the problem remain? ◦ Yes: Go to step 3. ◦...
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Diagnostics and troubleshooting ◦ Yes: Go to step 7. ◦ The problem is solved. Perform a POR. Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting False bin full error service check Remove, and then install the bin full sensor actuator. See .Bin full sensor actuator removal on page 344 Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Check the bin full sensor actuator for damage, and replace if necessary Does the problem remain? ◦...
Diagnostics and troubleshooting Fax symptoms Fax symptoms Fax symptoms Symptom Action No dial tone. Modem/fax card service check on page 203. The printer does not transmit faxes. Fax transmission service check on page 207. The printer does not receive faxes. Fax reception service check on page 211.
Diagnostics and troubleshooting Fax error log codes Fax error log codes Error code Description Action No error occurred during fax No action is needed. transmission. Error occurred when • Check line quality. transmitting training. • Select a lower Max Speed value under Fax Send settings.
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Diagnostics and troubleshooting Continued from page 196 Error code Description Action Received EOT If error persists, then unexpectedly from the disable V34 modulation modem in V34 mode. scheme. Too many timeouts If error persists, then occurred during ECM disable ECM mode. reception.
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Diagnostics and troubleshooting Continued from page 197 Error code Description Action Remote device failed to • Select a lower ‘Max respond to the CTC Speed’ value under command. Fax Send settings. • Adjust ‘Transmit Level’. Received too many • Check line quality. requests from remote end •...
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Diagnostics and troubleshooting Continued from page 198 Error code Description Action Fax transmission failed due Adjust ‘Memory Use’ setting to insufficient memory to to allocate more memory for store scanned image. send jobs. Fax transmission failed due Adjust ‘Memory Use’ setting to insufficient memory to to allocate more memory for store received image.
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Diagnostics and troubleshooting Continued from page 199 Error code Description Action • Adjust the “Transmit Level”. • Check line quality. Failure to transmit training • Select a lower “Max successfully in V17 terminal Speed” under Fax modulation scheme. Send settings. • Adjust the “Transmit Level”. • Check line quality. Failure to transmit training •...
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Diagnostics and troubleshooting Continued from page 200 Error code Description Action No fax tones detected from • Verify destination remote end. phone number. • Verify that the remote fax is authorized to receive faxes. No dial tone detected. • Check by enabling ‘Behind a PABX’ ...
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Diagnostics and troubleshooting Continued from page 201 Error code Description Action type from remote fax device. Received request for No action needed. unsupported image length from remote fax device. Unknown error occurred. No action needed.
Diagnostics and troubleshooting Modem/fax card service check Check if the telephone cable is properly connected to the modem card and electrical outlet. Is the cable properly connected to the modem card and electrical outlet? ◦ Yes: Go to the next step. ◦...
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Diagnostics and troubleshooting The problem is solved. Check the voltages values of the following pins on the JFAX1 connector on the controller board: ◦ Pin 5: +5 V dc ◦ Pin 7: Ground ◦ Pin 9: Ground ◦ Pin 11: Ground ◦...
The problem is solved. ◦ Go to the next step. Make sure that etherFAX is set up correctly. For more information, see the printer User’s Guide. Can you set up etherFAX? ◦ Yes: The problem is solved. ◦ Go to https://www.etherfax.net/lexmark.
Can you send or receive faxes using etherFAX? ◦ Yes: The problem is solved. ◦ Go to the next step. Split large documents into smaller file sizes. Can you send or receive faxes using etherFAX? ◦ Yes: The problem is solved. ◦ Go to https://www.etherfax.net/lexmark.
Diagnostics and troubleshooting Fax transmission service check Note: These instructions apply only to printers that support analog fax. For more information, see .Supported fax on page 33 Reseat the telephone cable on the LINE port of the printer and on the wall jack. Does the problem remain? ◦...
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Diagnostics and troubleshooting Select On. Does the problem remain? ◦ Yes: Go to the next step. ◦ The problem is solved. Perform the following tests: From the home screen, navigate to Settings > Fax > Analog Fax Setup > Fax Receive Settings >...
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Diagnostics and troubleshooting Can the device send a fax? ◦ Yes: Contact the next level of support. ◦ Go to the next step. Perform the following tests: From the home screen, navigate to Settings > Fax > Analog Fax Setup > Fax Receive Settings >...
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Diagnostics and troubleshooting ◦ The problem is solved. Perform the following tests: Enter the Service Engineer menu, and then navigate to: Fax SE > Fax Settings > AutoPrint T30 Logs Check the reported error code. See Fax error log codes on page 196.
Diagnostics and troubleshooting Fax reception service check Note: These instructions apply only to printers that support analog fax. For more information, see .Supported fax on page 33 Note: Before performing this service check, make sure that the correct country code is selected. Reseat the telephone cable on the LINE port of the printer and on the wall jack.
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Diagnostics and troubleshooting Go to step 7. Ask the system administrator to verify if the VOIP server is configured to receive faxes. Is the server configured to receive faxes? ◦ Yes: Go to the next step. ◦ Contact the next level of support. Check if the printer is on a PABX.
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Diagnostics and troubleshooting ◦ Yes: Go to step 13. ◦ Go to the next step. Check if the device that does not receive a fax can send a fax. Can the device send a fax? ◦ Yes: Go to the next step. ◦...
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Diagnostics and troubleshooting Does the problem remain? ◦ Yes: Contact the next level of support. ◦ The problem is solved.
Diagnostics and troubleshooting Lost connection to HTTPS fax server when using etherFAX service check Perform the following tests: Enter the Service Engineer (SE) menu, and then navigate to: Fax SE Menu > Fax Settings Make sure that the Fax Transport option is set to etherFAX. Does the problem remain? ◦...
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Diagnostics and troubleshooting Contact the next level of support. ◦ The problem is solved.
Service menus Service menus Understanding the printer control panel Using the control panel Control panel parts and their functions Control panel part Function Display • View printer messages and supply status. • Set up and operate the printer. Power button Turn on or turn off the printer.
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Service menus Continued from page 217 Control panel part Function Home button Go to the home screen. Back button Return to the previous screen. Start button Start a job, depending on which mode is selected. Indicator light Check the status of the printer.
Service menus Understanding the status of the indicator light Indicator light color and its corresponding printer status Indicator light Printer status The printer is off or in Hibernate mode. Blue The printer is ready or processing data. Blinking red The printer requires user intervention. Solid amber The printer is in Sleep mode.
Service menus Diagnostics menu Entering the Diagnostics Menu The Diagnostics Menu contains tests that are used to help isolate printer issues. • To access the menu from POST, do the following: Unplug the power cord from the electrical outlet. Open tray 1. Connect the power cord to the electrical outlet.
Service menus Reports Device Settings This report lists all the current printer settings. Enter the Diagnostics menu, and then navigate to: Reports > Device > Device Settings For non‑touch‑screen printer models, press to navigate through the settings.
Service menus Installed Licenses This setting lists all the installed licenses and their feature data. Enter the Diagnostics menu, and then navigate to: Reports > Licenses > Installed Licenses For non‑touch‑screen printer models, press to navigate through the settings.
Service menus Advanced Print Quality Samples This setting prints the Print Quality Test Pages. Enter the Diagnostics menu, and then select Advanced Print Quality Samples.
Service menus Format Fax Storage This setting allows formatting of non‑volatile fax storage. Enter the Diagnostics menu, and then navigate to: Format Fax Storage > Format Fax Storage...
Service menus Event Log Display Log This setting shows a history of printer events. Enter the Diagnostics menu, and then navigate to: Event Log > Display Log For non‑touch‑screen printer models, press to navigate through the settings.
Service menus Print Log This setting shows additional information about the printer events. Enter the Diagnostics menu, and then navigate to: Event Log > Print Log For non‑touch‑screen printer models, press to navigate through the settings. Note: The events that appear in the report vary depending on the operational history of the printer.
Service menus Print Log Summary This setting lists a brief summary of the various printer events. Enter the Diagnostics menu, and then navigate to: Event Log > Print Log Summary For non‑touch‑screen printer models, press to navigate through the settings. Note: The events that appear in the report vary depending on the operational history of the printer.
Service menus Mark Log This setting allows you to create a service, maintenance, or custom log entry. Each log entry is added in the printer event log. Enter the Diagnostics menu, and then navigate to: Event Log > Mark Log For non‑touch‑screen printer models, press ...
Service menus Input tray quick print This setting lets you print a single or continuous Quick Test page in either duplex or simplex mode. Enter the Diagnostics menu, and then select Input tray quick print. Select a paper source. Select whether to print a single or continuous test page.
Service menus Output bin quick feed This setting lets you feed a single or continuous page from the standard bin. Enter the Diagnostics menu, and then navigate to: Output bin quick feed > Standard bin For non‑touch‑screen printer models, press to navigate through the settings. Select whether to print a single or continuous test page.
Service menus Printer Setup Printed page count (mono) This setting displays the amount of pages printed in mono. Enter the Diagnostics menu, and then navigate to: Printer Setup > Printed page count (mono) View the printed page count for mono.
Service menus Permanent page count This setting displays the total number of pages printed. After all the print tests are completed, this value resets to zero. Enter the Diagnostics menu, and then navigate to: Printer Setup > Permanent page count View the permanent page count.
Service menus Enable edge‑to‑edge (printing) This setting allows print jobs to include the edges of the page. Enter the Diagnostics menu, and then navigate to: Printer Setup > Enable edge‑to‑edge (printing) Select a setting.
Service menus Enable edge‑to‑edge (copy) This setting allows copy jobs to include the edges of the page. Enter the Diagnostics menu, and then navigate to: Printer Setup > Enable edge‑to‑edge (copy) Select a setting.
Service menus Processor ID This setting indicates the ID of the processor on the controller board. Enter the Diagnostics menu, and then navigate to: Printer Setup > Processor ID View the processor ID.
Service menus Serial number This setting shows the printer serial number. Enter the Diagnostics menu, and then navigate to: Printer Setup > Serial number For non-touch-screen printer models, press to navigate through the settings. View the serial number.
Service menus Model name This setting shows the model name of the printer. Enter the Diagnostics menu, and then navigate to: Printer Setup > Model name For non-touch-screen printer models, press to navigate through the settings. View the model name.
Service menus Engine setting [x] Warning—Potential Damage Do not change this setting without specific instructions from the next level of support. This setting allows you to select a printer engine setting. Possible values are 0–255. 0 is the default. For non‑touch‑screen printer models, press to navigate through the settings. Enter the Diagnostics menu, and then navigate to: Printer Setup > Engine setting [x] Select a setting, and then enter a value.
Service menus EP setup Warning—Potential Damage Do not change this setting without specific instructions from the next level of support. This setting allows you to adjust the EP setup of the printer. For non‑touch‑screen printer models, press to navigate through the settings. Enter the Diagnostics menu, and then navigate to: Printer Setup >...
Service menus Printer diagnostics & adjustments Sensor tests Enter the Diagnostics menu, and then select Printer diagnostics & adjustments. A list of sensor tests appears. Find, and then manually toggle the sensor. Note: ◦ The sensor status on the screen toggles between 1 and 0 when the sensor is properly working.
Service menus Motor tests Enter the Diagnostics menu, and then navigate to: Printer diagnostics & adjustments > Motor tests For non‑touch‑screen printer models, press to navigate through the settings. Select a motor. Note: • If the motor is activated, then it is properly working. •...
Service menus Registration adjust This setting lets you adjust the skew and margins or print a Quick Test page. For non-touch-screen printer models, press to navigate through the settings. Enter the Diagnostics menu, and then navigate to: Printer diagnostics and adjustments > Registration adjust Select a setting to adjust.
Service menus Margin Offset This setting allows you to adjust the margin offset and to print or reset the default settings. For non-touch-screen printer models, press to navigate through the settings. Enter the Diagnostics menu, and then navigate to: Printer diagnostics & adjustments > Margin Offset Select a setting.
Service menus Universal Override This setting allows the user to load custom paper sizes into a paper source. For non-touch-screen printer models, press to navigate through the settings. Enter the Diagnostics menu, and then navigate to: Printer diagnostics and adjustments > Universal Override Select a setting to adjust.
Service menus Scanner Diagnostics Motor Tests Enter the Diagnostics menu, and then navigate to: Scanner Diagnostics > Motor Tests For non-touch-screen printer models, press to navigate through the settings. Select a motor. Note: • If the motor is activated, then it is properly working. •...
Service menus Sensor Test This test verifies the status of the scanner sensors. Enter the Diagnostics menu, and then navigate to: Scanner diagnostics > Sensor test A list of sensor tests appears. Find, and then manually toggle the sensor. Note: ◦...
Service menus Feed Test This test allows for a continuous feed from the ADF or flatbed. Enter the Diagnostics menu, and then navigate to: Scanner Diagnostics > Feed Test Note: Set the paper size to match the paper loaded in the ADF tray if necessary. Touch Feed Test.
Service menus Scanner Calibration Reset Before starting the test, clean the scanner. For more information, see Cleaning the scanner on page 372. Enter the Diagnostics menu, and then select Scanner Diagnostics. Touch Scanner Calibration Reset. To verify the result, do the following: Note: The following procedure only applies to models with ADF.
Service menus Controller Calibration This test must be done when the scanner controller or flatbed scanner is changed. Enter the Diagnostics menu, and then navigate to: Scanner Diagnostics > Controller Calibration Touch Start.
Service menus Config Menu Config Menu items and their descriptions Menu item Description USB Configuration Change the USB driver mode of the printer to improve its compatibility with a personal USB PnP computer. USB Configuration Set whether the USB device driver enumerates as a USB Simple device (single USB Scan to Local interface) or as a USB Composite device...
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Service menus Continued from page 251 Menu item Description Manual Paper Tray Configuration Set the paper source that the user fills when a prompt to load envelope appears. Envelope Prompts Auto* MP Feeder Manual Envelope Tray Configuration Set the printer to resolve paper- or envelope-related change prompts.
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Service menus Continued from page 252 Menu item Description Emulator Security Disable Printer Message Access (On*) Fax Configuration Set fax to enter Sleep mode whenever the printer determines that it must. Fax Low Power Support Disable Sleep Note: This menu item is available Permit Sleep only in some printer models.
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Service menus Continued from page 253 Menu item Description For example, when set to On, and the duplex motor is nonfunctional, the printer performs one‑sided printing of the documents even if the job is two‑sided printing. Note: This setting cannot be used when the tray is not fully inserted or the tray sensor is damaged.
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Service menus Continued from page 254 Menu item Description Disable Scanner Enabled* Disabled ADF Disabled Scanner Configuration Set the byte order of a TIFF‑formatted scan output. Tiff Byte Order CPU Endianness* Little Endian Big Endian Scanner Configuration Set the RowsPerStrip tag value of a TIFF‑formatted scan output. Exact Tiff Rows Per Strip Note: An asterisk (*) next to a value indicates the factory default setting.
Service menus Service Engineer (SE) menu Entering the SE Menu To access the menu from the home screen, on the control panel, press the following buttons in this sequence: Back, Back, Home, Home...
Service menus General SE Menu • Capture Logs to USB Drive Note: This setting allows you to save a log file to a USB drive. • Code Versions • Debug Level...
Service menus Network SE Menu Enter the SE menu, and then select Network SE Menu. Note: Use these settings as directed by the next level of support. Service engineer menu Top‑level menu Intermediate menu HISTORY • Print History • Mark History •...
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Service menus Continued from page 258 Top‑level menu Intermediate menu Enable DHCPCD Debugging Enable wpa‑supplicant Debugging Enable Ethernet Gigabit...
Service menus Fax SE Menu Use this menu to help resolve fax transmission and reception issues. Enter the SE menu, and then touch Fax SE Menu. Note: Use these settings as directed by the next level of support. Note: For printers with firmware version FW7.1 and up, adjust the Transmit Level setting via EWS SE.
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Service menus Continued from page 261 Top‑level menu Intermediate menu • Print All Auto Captured Logs On • Print T38 Trace Log • Clear T38 Trace Log Reboot System...
Service menus EWS SE Menu Enter this setting to help resolve customer communication related printing issues. To access the Silabs configuration: Open a web browser and then type https://<IP address>/se . Navigate to: Fax > Settings > Silabs Configuration...
Service menus Entering invalid engine mode This mode allows the printer to load the correct firmware code. Unplug the power cord from the electrical outlet. Open tray 1. Connect the power cord to the electrical outlet. When the display shows the following icon, close tray 1. From the menu that appears on the display, select ‑>, and then select ENGINE_FLASH.
Service menus Entering Recovery mode This mode allows the printer to boot from a secondary set of instructions and flash firmware code. While in this mode, you can only flash firmware code through a USB cable directly connected to a PC. Depending on your printer model, do any of the following: For LED display Turn off the printer. Open the front door.
Service menus For 2.8‑, 4.3‑, 7‑, and 10‑inch displays without number pads Turn off the printer. Open tray 1. Note: Make sure that paper is loaded in the tray. Turn on the printer. When an ellipses appears on the upper‑left corner of the display, close tray 1. Note: If tray 1 is not closed, then the printer boots normally.
Parts removal Parts removal Removal precautions Removal precautions CAUTION—SHOCK HAZARD The low-voltage power supply (LVPS) and the high-voltage power supply (HVPS) may have residual voltage present. To avoid the risk of electrical shock, do not touch their circuit components or the solder side of the board. Only handle them by their outer edges or metal housing.
Parts removal Précautions de retrait CAUTION—SHOCK HAZARD Une tension résiduelle peut être présente dans le bloc d'alimentation basse tension (LVPS) et le bloc d'alimentation haute tension (HVPS). Pour éviter tout risque d'électrocution, ne touchez pas les composants du circuit ou le côté...
Parts removal CAUTION—SHOCK HAZARD Este producto utiliza un interruptor de corriente electrónico. No desconecta físicamente la entrada de voltaje de CA. Para evitar el riesgo de descarga eléctrica, desenchufe siempre el cable de alimentación de la impresora cuando sea necesario retirar la entrada de voltaje de CA. CAUTION—SHOCK HAZARD Para evitar el riesgo de descargas eléctricas y daños en la impresora, retire el cable de alimentación de la toma eléctrica y desconecte todas las...
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Parts removal CAUTION—SHOCK HAZARD Um das Risiko eines elektrischen Schlags und Schäden am Drucker zu vermeiden, ziehen Sie das Netzkabel aus der Steckdose und trennen Sie alle Verbindungen zu jeglichen externen Geräten, bevor Sie Kabel, Elektronikplatinen oder Baugruppen einstecken oder abziehen. CAUTION—HOT SURFACE Das Innere des Druckers kann sehr heiß...
Parts removal 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, do the following: • Turn off the printer before removing logic boards. • Keep the parts in their original packing material until you are ready to install them into the printer.
Parts removal Critical information for controller board or control panel replacement CAUTION—POTENTIAL INJURY The lithium battery in this product is not intended to be replaced. There is a danger of explosion if a lithium battery is incorrectly replaced. Do not recharge, disassemble, or incinerate a lithium battery. Discard used lithium batteries according to the manufacturer's instructions and local regulations.
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Parts removal Warning—Potential Damage To avoid damaging the part or experiencing NVRAM mismatch issues, replace only one of the following components at a time: • Control panel • Controller board To replace a component and to test whether the problem is resolved: Replace the affected component.
Note: The software bundle contains the latest version of the firmware, applications, and software licenses from the Lexmark CFM and Package Builder. The printer firmware may be at a different level from what is used before replacement of the part.
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Parts removal Save the zip file. Note: Make sure that the serial number in the zip file matches the serial number of the printer being restored. Extract the contents of the zip file, open the Readme file, and then follow the instructions in the file.
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Parts removal Note: ◦ Perform the install instructions on the Readme file in the exact order shown. Restart the printer only if the file says so. ◦ For more information on how to flash the downloaded files, see Updating the printer firmware on page 277.
Parts removal Updating the printer firmware Warning—Potential Damage Before updating the printer firmware, ask the next level of support for the correct code. Using an incorrect code level may damage the printer. Using a flash drive Note: The printer must be in ready state to update the firmware. This option is available only in printer models with front USB port.
Note: Make sure that the cable is connected to the rear USB port. Using USB Flash Utility Go to support.lexmark.com, and then download USB Flash Utility. Extract, and then run the utility. Click Browse Files, and then browse to the firmware file directory.
Parts removal Ribbon cable connectors Low insertion force (LIF) connector Warning—Potential Damage When installing a cable into an LIF connector, avoid bending the edges of the cables and damaging the contacts on the cables. Inserting the cable Make sure that the contacts of the controller board and connectors are on the same side. Insert the cable.
Parts removal Adjustments Adjusting the fax volume Enter the SE menu on the EWS page by navigating to the following address: http://<printer’s IP address>/se. From the menu options, click Fax. Under Settings, click Conexant Configuration. Change the volume level based on the following values: ◦...
Parts removal Removal procedures Keep the following tips in mind as you replace parts: • Some removal procedures require removing cable ties. You must replace cable ties during reassembly to avoid pinching wires, obstructing the paper path, or restricting mechanical movement.
Parts removal Left side removals Left cover removal Remove the screw at the front, and then remove the screw at the rear of the cover. Open the front door, and then release the left front door link.
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Parts removal Place the printer on its right side. Release the three latches (A) at the bottom of the cover, and then remove the cover.
Parts removal Main drive gears removal Note: For a video demonstration, see Main drive gears removal. Remove the left cover. See Left cover removal on page 283. Place the printer on its right side. Warning—Potential Damage If the printer is not placed on its right side, then the gears fall out of place when the gear plates are removed.
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Parts removal Installation Note ◦ Pay attention to the position of the gears. ◦ Most gears have a molded letter for identification.
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Parts removal ◦ Note the letter or number on the gears, and then use the following illustration to match their proper location and position in the printer. ◦ Some locations have multiple gears stacked on top of each other.
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Parts removal Remove the left front door link. See Left front door link removal on page 295. Remove the two screws (A), and then remove the coupling (B).
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Parts removal 6. Place the printer on its left side, remove the screw (C), and then remove the duplex swing arm assembly (D).
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Parts removal Installation Note Make sure that the gears assembly is properly installed in the housing. Align the tab on the housing to the notch in the frame, and then install the duplex swing arm assembly.
Parts removal Imaging unit coupling removal Remove the left cover. See Left cover removal on page 283. Remove the left front door link. See Left front door link removal on page 295. Remove the two screws (A), and then remove the imaging unit coupling (B).
Parts removal Pick roller clutch removal Remove the left cover. See Left cover removal on page 283. Remove the six screws, and then remove the gear cover. Remove the three gears. Installation Note Pay attention to the position of the gears. Remove the clutch (A), and then disconnect the cable (B).
Parts removal Left front door link removal Remove the left cover. See Left cover removal on page 283. Remove the six screws, and then remove the gear cover. Remove the gear. Release the left front door link (A) from the retainer (B), and then remove the left front door link.
Parts removal Left paper tray guide removal Remove the tray insert. Place the printer on its rear. Remove the screw (A). Remove the left paper tray guide.
Parts removal Right side removals Right cover removal Remove the screw at the front, and then remove the screw at the rear of the cover. Open the front door, and then place the printer on its left side.
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Parts removal Release the three latches at the bottom (A). Release the latch at the front, and then remove the cover.
Parts removal Controller board removal Note: For a video demonstration, see Controller board removal. Note: When replacing the controller board for the MX431adn, MX431adw, MB3442adw, and XM1342 models, make sure that it is compatible with the ADF scanner. Not all ADF scanners are compatible with the controller board. Check the following before installation: •...
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Parts removal Continued from page 301 Printer S/N Flatbed scanner and ADF Compatible printer variant controller board • If 41X2598 is no Note: longer available, then perform one of the • If 41X2660 is following: no longer available, ◦ For printer then replace model both the ADF...
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Parts removal Continued from page 302 Printer S/N Flatbed scanner and ADF Compatible printer variant controller board • 41X2977 (MB3442adw, MX431adw, XM1342) JDCIS2 connector: 30‑pin slot Note: Do not downgrade the firmware to versions earlier than FW 074.038. Remove the right cover. See Right cover removal on page 298.
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Parts removal 3. Remove the five screws, and then remove the controller board.
Parts removal LVPS removal Note: For a video demonstration, see LVPS removal. Remove the right cover. See .Right cover removal on page 298 Disconnect the two cables (A), remove the six screws (B), and then remove the LVPS. CAUTION—SHOCK HAZARD To avoid the risk of electrical shock, do not remove the shield from the back of the LVPS.
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Parts removal CAUTION—SHOCK HAZARD Um die Gefahr eines elektrischen Schlags zu vermeiden, entfernen Sie die Abdeckung nicht von der Rückseite des Niederspannungsnetzteils.
Parts removal HVPS removal Note: For a video demonstration, see HVPS removal. Remove the right cover. SeeRight cover removal on page 298. Remove the rear door. See Rear door removal on page 335. Place the printer on its left side. Remove the three screws (A), remove the right paper tray guide assembly, and then ...
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Parts removal Remove the plastic shield (C). Installation Note Make sure to properly attach the plastic shield. Remove the two screws (D). Separate the HVPS (E) from the right paper tray guide (F).
Parts removal Right paper tray guide removal Remove the right cover. SeeRight cover removal on page 298. Remove the rear door. See Rear door removal on page 335. Place the printer on its left side. Remove the three screws (A), remove the right paper tray guide assembly, and then disconnect the connector (B).
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Parts removal Remove the plastic shield (C). Installation Note Make sure to properly attach the plastic shield. Remove the two screws (D). Separate the HVPS (E) from the right paper tray guide (F).
Parts removal Sensor (MPF paper present) removal Note: For a video demonstration, see Sensor (MPF paper present) removal. Remove the right cover. See .Right cover removal on page 298 Open the front door, and then remove the screw. Release the latches securing the sensor, and then disconnect the sensor cable.
Parts removal Right front door link removal Remove the right cover. See .Right cover removal on page 298 Remove the screw, and then remove the link from the front door.
Parts removal MPF solenoid cable removal Note: For a video demonstration, see MPF solenoid cable removal. Remove the left cover. See Left cover removal on page 283. Remove the right cover. See .Right cover removal on page 298 Remove the ADF and scanner. See .ADF and scanner removal on page 352 Disconnect the cable, and then remove the screw to remove the solenoid cable.
Parts removal Main fan removal Note: For a video demonstration, see Main fan removal. Remove the left cover. See Left cover removal on page 283. Remove the right cover. See .Right cover removal on page 298 Remove the ADF and scanner. See .ADF and scanner removal on page 352 Disconnect the cable, and then remove the screw to remove the fan.
Parts removal Speaker removal Remove the right cover. See Right cover removal on page 298. Disconnect the cable (A), remove the screw (B), and then remove the speaker.
Parts removal Interlock switch removal Remove the right cover. See .Right cover removal on page 298 Remove the screw (A), and then disconnect the connector (B). Remove the switch.
Parts removal Front removals Control panel removal Remove the right cover. See Right cover removal on page 298. Disconnect the two cables. Remove the ADF and scanner. See ADF and scanner removal on page 352. Remove the control panel cables from the top right frame of the printer. Remove the screw, and then remove the control panel.
Parts removal Upper front cover removal Note: For a video demonstration, see Upper front cover removal. Open the front door. Release the two latches. Remove the cover.
Parts removal Front door removal Note: For a video demonstration, see Front door removal. Remove the right cover. See .Right cover removal on page 298 Remove the right front door link. See . Release the left front door link, and then remove the front door.
Parts removal Transfer roller removal Note: For a video demonstration, see Transfer roller removal. Open the front door. Release the two latches, and then remove the transfer roller. Installation Note ◦ Do not touch the foam on the roller. ◦ The shaft has grease.
Parts removal Sensor (input) removal Open the front door. Remove the imaging unit. Remove the two screws (A), and then remove the roller assembly (B). Release the two latches (C), and then remove the paper guide (D).
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Parts removal 5. Remove the screw (E), and then disconnect the cable (F) from the sensor.
Parts removal Important information before installing the duplex shaft bushing The duplex shaft bushing (41X4471) comes with grease applied to a small area (A). The grease may spread and contaminate other areas of the bushing. If this happens, the grease may transfer when paper is being picked from the tray. To avoid the problem, wipe clean the areas in orange with a soft cloth before installing the bushing in the printer.
Parts removal Rear removals Rear door removal Remove the left cover. See . Remove the screw, and then remove the rear door. Note: Pay attention to the position of the locating feature on the right side before removing the door.
Parts removal Fuser removal Note: For a video demonstration, see Fuser removal. Remove the right cover. See .Right cover removal on page 298 Disconnect the three cables. Open the rear door, remove the four screws, and then remove the fuser.
Parts removal Top removals Printhead removal Note: For a video demonstration, see Printhead removal. Remove the right cover. See Right cover removal on page 298. Remove the left cover. See Left cover removal on page 283. Remove the ADF and scanner. See ADF and scanner removal on page 352.
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Parts removal Installation Note When installing the printhead, tighten the screws in the following the order:...
Parts removal Redrive removal Note: For a video demonstration, see Redrive removal. Remove the right cover. See Right cover removal on page 298. Remove the left cover. See Left cover removal on page 283. Remove the ADF and scanner. See ADF and scanner removal on page 352.
Parts removal Bin full sensor actuator removal Remove the ADF and scanner. See .ADF and scanner removal on page 352 Firmly pull the bin full actuator to the left until it is disengaged from the printer frame. Remove the actuator. Installation Note Make sure that the actuator is properly positioned as shown.
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Parts removal 2. Carefully rotate the actuator upward until it is engaged to the printer frame.
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Parts removal 3. Make sure that the actuator is properly installed and freely rotates without binding.
Parts removal ADF separator pad removal Open the ADF cover. Release the latch to remove the ADF separator pad. Installation Note Do not lose the spring under the ADF separator pad.
Parts removal ADF and scanner removal Note: For a video demonstration, see ADF and scanner removal. Note: When replacing the ADF scanner for the MX431adn, MX431adw, MB3442adw, and XM1342 models, make sure that it is compatible with the controller board. Not all ADF scanners are compatible with the controller board. Check the following before installation: •...
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Parts removal Continued from page 352 Printer S/N Flatbed scanner and ADF Compatible printer variant controller board • If 41X2598 is no Note: longer available, then perform one of the • If 41X2660 is following: no longer available, ◦ For printer then replace model both the ADF...
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Parts removal Continued from page 353 Printer S/N Flatbed scanner and ADF Compatible printer variant controller board • 41X2977 (MB3442adw, MX431adw, XM1342) JDCIS2 connector: 30‑pin slot Note: Do not downgrade the firmware to versions earlier than FW 074.038. Remove the right cover. See Right cover removal on page 298.
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Parts removal Installation Note Secure the fax card ground wire to location A on the frame (see above). Remove the three screws from the printer frame.
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Parts removal Remove the ADF and scanner. Installation Note Make sure to perform the ADF scanner calibration after replacing the ADF and scanner. To perform the ADF scanner calibration: Load the calibration sheet into the ADF tray. Note: Adjust the guides to match the size of the calibration sheet. Enter the Diagnostics menu, and then select Scanner Diagnostics.
Parts removal Scanner pivot arm removal Slightly raise the ADF and scanner assembly. While pulling on the scanner pivot arm latch, completely raise the ADF and scanner assembly to release the latch.
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Parts removal 3. Remove the two screws, and then remove the scanner pivot arm.
Component locations Component locations Printer configuration Parts of a basic printer model Automatic document feeder (ADF) ADF tray ADF bin Control panel Standard bin Multipurpose feeder Standard 250‑sheet tray Optional 550‑sheet tray...
Component locations Controller board connectors See the table below for controller board connectors: Connector Connects to Pin number Signal JSCANSNS1 Sensor (ADF paper SNS_ADF_DOC present) SNS_ADF_DOC_LED SNS_ADF_SCAN PWR_ADF_SCAN_LED JFBM1 Motor (scanner FBM_BOUT1 fatbed) FBM_BOUT2 FBM_AOUT2 FBM_AOUT1 JADFM1 Motor (ADF ADFM_BOUT1 scanner) ADFM_BOUT2 ADFM_AOUT2...
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Component locations Continued from page 362 Connector Connects to Pin number Signal A_CIS_PCLK +5 V_AWAKE SCAN_LEDB SCAN_LEDG SCAN_LEDR JDCIS1 Scanner ADF digital CIS bar SCAN_RXIN_P(0) SCAN_RXIN_N(0) SCAN_RXCLK_P SCAN_RXCLK_N D_SOL D_AFE_SEN D_AFE_SDIO D_AFE_SCK D_CIS_PCLK +3.3 V_ADF JWIFI1 Wi‑Fi antenna WIFI_ANT USB front port +5 V_FUSB cable USB_N...
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Component locations Continued from page 363 Connector Connects to Pin number Signal JVDO1 Printhead video VDO_HSYNC- VDO_K1+ VDO_K1- VDO_LPOW_K VDO_LADJ_K1 VDO_BOOST_K +3.3 V_PHRAIL_SW VDO_LEN_K- +3.3 V_PHRAIL_SW VDO_K0+ VDO_K0- VDO_LADJ_K0 JMIR1 Motor (printhead +25 V_SW mirror) MM_START MM_LOCK MM_REFCLK JUICC28 2.8‑in. control panel LED_DRIVE +5 V_CONT MIR_TXD...
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Component locations Continued from page 364 Connector Connects to Pin number Signal LCD_RS LCD_TE MIR_RXD MIR_CLK I2C_DAT I2C_CLK +5 V_UI RESET- IRQ- LCD_WR LCD_RD +5 V_UI +5 V_UI +5 V_UI Continued on page 366...
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Component locations Continued from page 365 Connector Connects to Pin number Signal JSPKR1 Speaker Speaker+ Speaker - JSCHIP1 Toner cartridge and I2C_DAT imaging unit smart +3.3 V_SCHIP chip I2C_CLK TONER_EMPTY JCVR1 Front door laser +3.3 V_PHRAIL safety switch +3.3 V JMPSNS1 Sensor (MPF paper SNS_MPS...
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Component locations Continued from page 366 Connector Connects to Pin number Signal Sensor (toner LED_PWM_TDS density) THERM_TDS SNS_TDS PWR_TDS Pick clutch +25 V_SW CLUTCH_SINK Sensor (input) SNS_INPUT PWR_INPUT JTRAY1 Tray present switch PWR_TRAY TRAY_DETECT JOPT1 Paper handling +25 V_SW option TXD_OPT TRAY_PULLED_N RXD_OPT...
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Component locations Continued from page 367 Connector Connects to Pin number Signal JEXIT1 Sensor (fuser exit) SNS_EXIT PWR_EXIT JFUSER1 Fuser thermistor THERM_FUSER AC_RELAY_ON_TCO AC_RELAY_ON JFAN1 +25 V_SW FAN_SINK JBIN1 Sensor (bin full) SNS_BF PWR_BF JSOL1 MPF pick solenoid +25 V_SW SOL_SINK JFAX1 TONE...
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Component locations Continued from page 368 Connector Connects to Pin number Signal...
Maintenance Maintenance Cleaning printer parts Cleaning the printer CAUTION—SHOCK HAZARD To avoid the risk of electrical shock when cleaning the exterior of the printer, unplug the power cord from the electrical outlet and disconnect all cables from the printer before proceeding. CAUTION—SHOCK HAZARD pour éviter tout risque d'électrocution lors du nettoyage de l'extérieur de l'imprimante, débranchez le cordon d'alimentation électrique de la prise et...
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Maintenance Note: ◦ Do not use household cleaners or detergents, as they may damage the finish of the printer. ◦ Make sure that all areas of the printer are dry after cleaning. Connect the power cord to the electrical outlet, and then turn on the printer.
Maintenance Cleaning the scanner Open the scanner cover. Using a damp, soft, lint-free cloth, wipe the following areas: ◦ ADF glass pad Note: In some printer models, this location has an ADF glass instead of a pad. ◦ Scanner glass pad...
Parts catalog Parts catalog Legend The following column headings are used in the parts catalog: • Asm‑index—Identifies the item in the illustration. • Part number—Identifies the unique number that correlates with the part. • Units/mach—Refers to the number of units actually used in the base machine or product. • Units/FRU—Refers to the number of units in a particular FRU. • Description—Describes the part. The following abbreviations are used in the parts catalog: • NS (not shown) in the Asm‑index column indicates that the part is procurable but is not pictured in the illustration. •...
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41X2582 Rear door Rear door removal on page 41X2580 Right cover (MX331) Right cover removal on page 41X4207 Right cover (MB3442, MX431, Right cover removal on page XM1342) 41X2584 Front door with MPF pick Front door removal on page roller...
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Parts catalog Asm- Units/ Units/ Description Removal procedure index mach 41X2573 Printhead Printhead removal on page 41X2978 Speaker Speaker removal on page 322 41X2659 Controller board (MX331adn) Controller board removal on page 301 41X2975 Controller board (MX331adn) Controller board removal on page 301 Note: Make sure to upgrade the...
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Parts catalog Continued from page 381 Asm- Units/ Units/ Description Removal procedure index mach • Make sure to upgrade the firmware to FW 074.038 version or later. 41X2661 Controller board Controller board removal on (MB3442adw, MX431adw, page 301 XM1342) • This part is compatible with older printers that...
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Parts catalog Continued from page 382 Asm- Units/ Units/ Description Removal procedure index mach 074.038 version or later. 41X4479 Controller board Controller board removal on (MB3442adw, MX431adw, page 301 XM1342) • This part is compatible for new printers that have 1 or greater as the eighth character of the printer serial...
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Parts catalog Asm- Units/ Units/ Description Removal procedure index mach 41X2425 Pick roller clutch Pick roller clutch removal on page 293 41X2576 Main drive gears kit Main drive gears removal on page 285 41X4471 Duplex shaft bushing Important information before installing the duplex shaft bushing on page 334...
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Parts catalog Asm- Units/ Units/ Description Removal procedure index mach 41X2575 Separator roller and pick roller Pick separator roller removal on page 331 Note: This part has a CRU sheet. 41X2585 250-sheet tray 41X2599 Fuser, 100 V Fuser removal on page 337 41X2586 Fuser, 115 V Fuser removal on page 337...
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Scanner with fax card ADF and scanner removal on (MX331) (simplex ADF) page 352 41X2598 Scanner with fax card ADF and scanner removal on (MB3442, MX431, XM1342) page 352 Notes: • This part is compatible with older printers that have 0 as the...
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Parts catalog Continued from page 391 Asm- Units/ Units/ Description Removal procedure index mach 41X2511 ADF separator pad ADF separator pad removal on page 351 41X2428 ADF tray ADF tray removal on page 41X2596 Scanner pivot arm Scanner pivot arm removal on page 358...
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Asm- Units/ Units/ Description Removal procedure index mach 41X1872 MarkNet N8372 802.11 a/b/g/ n/ac wireless print server (MX431, MB3442, XM1342) 40X0288 Power cord, Argentina 40X1767 Power cord, Europe 40X1766 Power cord, Bolivia and Peru 40X0259 Power cord, Brazil 40X0273 Power cord, Chile and...
The product is generating 550 (MX331); 600 hard‑copy output from (MB3442, MX431, XM1342) hard‑copy original documents. Scan The product is scanning 13 (MX331); 14 (MB3442, hard‑copy documents. MX431, XM1342) Ready The product is waiting for a 6.5 (MX331); 7 (MX431dn, print job. MX431adn); 7.5 (MB3442,...
Printer specifications Sleep Mode This product is designed with an energy-saving mode called Sleep Mode. The Sleep Mode saves energy by lowering power consumption during extended periods of inactivity. The Sleep Mode is automatically engaged after this product is not used for a specified period of time, called the Sleep Mode Timeout.
Printer specifications Hibernate Mode This product is designed with an ultra‑low power operating mode called Hibernate mode. When operating in Hibernate Mode, all other systems and devices are powered down safely. The Hibernate mode can be entered in any of the following methods: • Using the Hibernate Timeout • Using the Schedule Power modes Default Hibernate timeout Factory default Hibernate Timeout for this 3 days...
Printer specifications Off mode If this product has an off mode which still consumes a small amount of power, then to completely stop product power consumption, disconnect the power supply cord from the electrical outlet.
Printer specifications Total energy usage It is sometimes helpful to estimate the total product energy usage. Since power consumption claims are provided in power units of Watts, the power consumption should be multiplied by the time the product spends in each mode in order to calculate energy usage.
Printer specifications Applicability of Regulation (EU) 2019/2015 and (EU) 2019/2020 Per Commission Regulation (EU) 2019/2015 and (EU) 2019/2020, the light source contained within this product or its component is intended to be used for Image Capture or Image Projection only, and is not intended for use in other applications.
Printer specifications Selecting a location for the printer • Leave enough room to open trays, covers, and doors and to install hardware options. • Set up the printer near an electrical outlet. CAUTION—POTENTIAL INJURY To avoid the risk of fire or electrical shock, connect the power cord to an appropriately rated and properly grounded electrical outlet that is near the ...
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Printer specifications Continued from page 401 Note: The minimum space needed in front of the printer is 76 mm (3 in.). Left side 110 mm (4.33 in.)
The following measurements were made in accordance with ISO 7779 and reported in conformance with ISO 9296. Note: Some modes may not apply to your product. 1-meter average sound pressure, dBA Printing One-sided: 53; Two-sided: 50 Ready Values are subject to change. See www.lexmark.com for current values.
Printer specifications Temperature information Ambient operating temperature 10 to 32.2°C (50 to 90°F) Shipping temperature -40 to 40°C (-40 to 104°F) Storage temperature and relative humidity -40 to 40°C (-40 to 104°F) 8 to 80% RH...
Theory of operation Theory of operation POR sequence As the printer is turned on, the engine code goes through a series of tests to verify hardware integrity. If a hardware failure is detected, then it is reported to the printer. If the POR sequence cannot be completed successfully, then the printer may post an error message.
Theory of operation Charge Charge theory Charge roller Photoconductor The charge roller applies a uniform negative electrical charge to the surface of the photoconductor. The insulative properties of the photoconductor allow it to hold a charge and its photoconductive properties allow it to discharge when exposed to light.
Theory of operation Expose Charge theory Photoconductor Printhead The printhead emits a laser that exposes the surface of the photoconductor. The laser pulses coincide with the digital latent image. The exposed areas of the photoconductor surface are discharged, resulting in a photoconductor surface potential that is less negative than the non-exposed areas.
Theory of operation Develop develop theory Developer roller Toner cartridge Photoconductor The developer roller applies the toner from the toner cartridge to the photoconductor during the development process. The difference in surface potential creates an electric field that causes the toner particles to move to the photoconductor according to the pattern of the latent image.
Theory of operation Transfer Transfer theory Charge roller Transfer roller Paper A positive potential relative to the toned image formed on the photoconductor is applied to the transfer roller. This allows the transfer roller to move the developed toner from the surface of the photoconductor to the paper as the paper is passed between the transfer roller and photoconductor.
Theory of operation Clean The cleaning blade removes the residual toner from the photoconductor after the transfer. After cleaning, the process moves again to the charge process and repeats each cycle until the entire image is transferred to a side of the paper.
Theory of operation Fuse fuse theory Fuser Paper After the toner image is transferred to the paper, the toner particles are not yet permanently bonded to the paper. For the final step in the print process, paper is transported to the fuser where heat and pressure are applied to it. As a result, the toner particles melt and are permanently fused to the paper, completing the print process.
Theory of operation Printer paper path Simplex print job Simplex print job Photoconductor Transport roller MPF pick roller Feed roller Separator roller Pick roller Separator pad Continued on page 417...
Theory of operation Continued from page 416 Transfer roller Fuser Paper exit roller The pick roller picks and the feed roller feeds the paper to the separator roller or separator pad. The feed roller feeds the paper to the transport roller. For MPF print jobs, the MPF pick roller picks and feeds the paper to the transport roller.
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Theory of operation Duplex print job Duplex rear roller Duplex front roller After the first side is printed, the paper stops at the output bin while still in the paper exit roller. The paper is fed again into the duplex paper path to have the opposite side printed. The paper travels along the duplex path until it enters again the transport roller.
Theory of operation Printer paper path sensors Paper path sensors Sensor Function Sensor (input) Detects paper that is traveling from the transport roller Sensor (MPF paper Detects paper presence present) in the MPF Sensor (trailing edge) Detects the trailing edge of the paper that is fed from the optional tray Sensor (index)
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Theory of operation Continued from page 419 Sensor Function to pick paper from the optional tray Sensor (paper present) Detects paper presence in the optional tray Sensor (fuser exit) Detects paper that is exiting the fuser Sensor (narrow media/ • Detects if paper bin full) is narrow...
Theory of operation Main drive Main drive MPF pick roller Transport roller Motor (main drive) Transfer roller Photoconductor Fuser Continued on page 422...
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Theory of operation Continued from page 421 Paper exit roller Duplex The motor (main drive) provides mechanical power to the printer. The motor transfers power through several gears to the following parts: • MPF pick roller • Transport roller • Transfer roller •...
Theory of operation Tray drive Tray drive Pick roller Separator roller Separator pad Optional tray Standard tray The motor (main drive) in the printer drives the standard tray. The lift plate in the tray is spring loaded and is not driven by a motor. The spring raises the lift plate until the paper is in contact with the pick roller.
Theory of operation ADF theory ADF paper path ADF paper path parts ADF tray ADF pick roller ADF separator pad ADF feed roller ADF scan roller Sensor (ADF scan) Sensor (ADF paper present) ADF exit roller ADF bin Paper from the ADF tray enters the ADF through the ADF pick roller, ADF feed roller, and ADF separator pad.
Index Index data security notice diagnostics menu advanced print quality samples feed test adjustments controller calibration fax volume scanner calibration reset ADF paper path accessing duplex shaft bushing configurations develop printer models cannot send or receive faxes using etherFAX error codes configuration menu 202 paper jam messages accessing...
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Index 600 error messages format fax storage 602 error messages fuse 611 error messages 621 error messages indicator light 662 error messages understanding the status 680 error messages invalid engine mode 912 error messages accessing 200 paper jam messages invalid code, fixing 840 error messages 842 error messages low insertion force (LIF) connector...
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Index output bin quick feed selecting a location printer setup minimum clearances print engine layout printed page count (mono) paper path, simplex enable edge‑to‑edge (printing) paper path, duplex enable edge‑to‑edge (copy) printer sections permanent page count process ID serial number resetting the printer EP setup without admin credentials engine setting [x] removal procedures...
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Index MPF pick roller 900 service error messages sensor (input) symptoms rear door printer printhead redrive safe mode ADF tray serial number, printer duplex guide finding ADF cover security reset jumper ADF and scanner using ADF separator pad scanner diagnostics scanner pivot arm sensor tests HVPS...
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Index 900 service error messages theory troubleshooting, fax simplex paper path cannot set up etherFAX duplex paper path cannot send or receive faxes using etherFAX paper path sensors tray drive troubleshooting, print quality main drive fax transmission service check fax reception service check updating the printer firmware troubleshooting using a flash drive...