Lexmark B3340 Service Manual

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User manual (154 pages)

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B3340, B3442, MS331, MS431,

MS439 Printers

4601-2xx, -4xx

Service Manual

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Start diagnostics

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Maintenance

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Safety and notices

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Index

November 04, 2020

www.lexmark.com

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Summary of Contents for Lexmark B3340

Page 1 B3340, B3442, MS331, MS431, MS439 Printers 4601-2xx, -4xx Service Manual • Start diagnostics • Maintenance • Safety and notices • Index November 04, 2020 www.lexmark.com...
Page 2: Product Information
Trademarks Lexmark and the Lexmark logo are trademarks or registered trademarks of Lexmark International, Inc. in the United States and/or other countries. All other trademarks are the property of their respective owners.
Page 3: Table Of Contents
4601 Table of contents Product information..................2 Edition notice....................2 Notices, conventions, and safety information.......... 9 Laser notice................................9 Conventions.................................10 Safety information............................... 11 Change history.................... 15 Change history..............................15 General information..................17 Printer model conﬁgurations........................... 17 Supported paper sizes, types, and weights....................17 Supported paper sizes..............................17 Supported paper types...............................
Page 4 4601 Vertical dark streaks with print missing check ....................43 White streaks and voided areas check ......................... 44 Clipped pages or images check..........................45 Incorrect margins on prints check ...........................47 Toner rubs off check..............................47 Toner specks appear on prints during a print job check .................. 48 Repeating defects check............................
Page 5 4601 Output bin quick feed ..............................94 Printer Setup................................. 94 Printer diagnostics & adjustments .......................... 96 Conﬁg Menu................................97 Entering the Conﬁg Menu ............................97 Conﬁg Menu ................................. 98 Service Engineer (SE) menu........................... 99 Entering the SE Menu..............................99 General SE Menu................................. 99 Network SE Menu................................
Page 6 4601 Transfer roller removal ..............................129 MPF pick roller removal ............................130 Pick separator roller removal ...........................131 Rear removals..............................132 Rear door removal..............................132 Fuser removal................................133 Top removals..............................134 Top cover removal..............................134 Printhead removal ..............................135 Redrive removal................................137 Bin full sensor actuator removal..........................138 Bottom removals..............................
Page 7 4601 Temperature information..........................165 Theory of operation.................. 167 POR sequence..............................167 Print cycle operation............................167 Print engine layout ..............................167 Print cycle ..................................168 Printer operation...............................174 Printer sections ................................174 Printer paper path ..............................175 Printer paper path sensors ............................177 Main drive ..................................
Page 8 4601 Table of contents...
Page 9: Notices, Conventions, And Safety Information
4601 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.
Page 10: Conventions
4601 Laser-Hinweis Der Drucker wurde in den USA zertiﬁziert und entspricht den Anforderungen der Vorschriften DHHS 21 CFR Kapitel I für Laserprodukte der Klasse I (1), andernorts ist er als Laserprodukt der Klasse I zertiﬁziert, das den Anforderungen von IEC 60825-1 entspricht: 2014. Laserprodukte der Klasse I werden nicht als gefährlich betrachtet.
Page 11: Safety Information
4601 ATTENTION : RISQUE DE PINCEMENT : Signale un risque de pincement entre des pièces mobiles. Convenciones Nota: Las notas señalan información que puede serle útil. Aviso: Las advertencias indican algo que podría dañar el software o el hardware del producto. PRECAUCIÓN: Las precauciones indican una situación de posible peligro que puede implicar lesiones para el usuario.
Page 12: Consignes De Sécurité
CAUTION—POTENTIAL INJURY: 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.
Page 13: Información De Seguridad
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 incendios.
Page 14 Laserdrucker schnell überschritten werden, was zu Brandgefahr, Beschädigung von Eigentum oder einer eingeschränkten Druckerleistung führen kann. VORSICHT – MÖGLICHE VERLETZUNGSGEFAHR 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, Beschädigung von Eigentum oder einer...
Page 15: Change History
4601 Change history Change history November 5, 2020 • Updated the description of PN 41X2860 in the Parts catalog chapter. October 23, 2020 • Added the False bin full error service check in the Diagnostics and troubleshooting chapter. • Added the Bin full sensor actuator removal topic in the Parts removal chapter. September 29, 2020 •...
Page 16 4601 April 14, 2020 • First release. Change history...
Page 17: General Information
4601 General information Printer model conﬁgurations The Lexmark MS331, Lexmark B3340, Lexmark MS431, Lexmark MS439, and Lexmark B3442 printers are small, monochrome, network‑capable, laser printers. Model Conﬁgurations Machine type/model MS331dn Network-ready monochrome laser printer with 2‑line 4601-230 LCD display, 40 ppm, 10/100 Ethernet, and internal duplex printing for small workgroups.
Page 18 4601 Paper size Standard Optional Multipurpose Two‑sided 250‑sheet 550‑sheet feeder printing tray tray 105 x 148 mm (4.13 x 5.83 in.) JIS B5 182 x 257 mm (7.17 x 10.1 in.) Oﬁcio (Mexico) 215.9 x 340.4 mm (8.5 x 13.4 in.) Hagaki 100 x 148 mm (3.94 x 5.83 in.)
Page 19: Supported Paper Types
4601 Paper size Standard Optional Multipurpose Two‑sided 250‑sheet 550‑sheet feeder printing tray tray 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.)
Page 20: Supported Paper Weights
4601 Paper type Standard Optional 550‑sheet Multipurpose feeder Two‑sided printing 250‑sheet tray tray Bond Letterhead Preprinted Colored Paper Light Paper Heavy Paper Rough/Cotton Envelope Rough envelope * One‑sided paper labels are supported for occasional use of less than 20 pages per month. Vinyl, pharmacy, or two‑sided labels are not supported.
Page 21 4601 • Feeler gauges • Analog or digital multimeter • 3‑mm ball hex wrench • Toner vacuum • Flashlight General information...
Page 22 4601...
Page 23: Diagnostics And Troubleshooting
4601 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. CAUTION—SHOCK HAZARD: This product uses an electronic power switch.
Page 24 4601 Precauciones durante la solución de problemas PRECAUCIÓN: PELIGRO DE DESCARGAS ELÉCTRICAS: 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.
Page 25: Troubleshooting Overview
4601 VORSICHT – QUETSCHGEFAHR: Um das Risiko einer Quetschung zu vermeiden, gehen Sie in Bereichen, die mit diesem Etikett gekennzeichnet sind, mit Vorsicht vor. Quetschungen können im Bereich von beweglichen Komponenten auftreten, wie z. B. Zahnrädern, Klappen, Fächern und Abdeckungen. Troubleshooting overview Performing the initial troubleshooting check •...
Page 26: Fixing Print Quality Issues
Step 3 Go to step 5. Go to step 4. 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.
Page 27: Blank Page Check
4601 Action Step 5 Go to step 6. The problem is solved. 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. Does the problem remain? Step 6 Go to step 7.
Page 28 Step 3 Go to step 5. Go to step 4. 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.
Page 29: Print Is Too Dark Check
Step 1 Go to step 3. Go to step 2. 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.
Page 30: Print Is Too Light Check
4601 Action Step 3 Go to step 4. The problem is solved. 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. Make sure that there are no obstructions between the charge roller and photoconductor drum.
Page 31 Step 3 Go to step 5. Go to step 4. 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.
Page 32 4601 Action Step 6 Go to step 7. The problem is solved. Remove the imaging unit. Push either side of the transfer roller, and then check if it depresses and bounces back into place. If the transfer roller does not depress and bounce back into place, then reinstall the transfer roller.
Page 33: Paper Curl Check
Step 1 Go to step 3. Go to step 2. 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.
Page 34: Folded Or Wrinkled Paper Check
Go to step 2. The problem is solved. 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.
Page 35: Solid Black Pages Check
4601 Action Step 3 Go to step 4. The problem is solved. 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? Step 4 Go to step 5.
Page 36 Step 1 Go to step 3. Go to step 2. 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.
Page 37: Skewed Print Check
4601 Action Step 6 Go to step 7. The problem is solved. Remove the right cover. See “Right cover removal” on page 117. Make sure that the HVPS1 cable on the controller board and HVPS is properly connected. Does the problem remain? Step 7 Contact the next The problem is...
Page 38 4601 Action Step 4 Go to step 5. The problem is solved. Remove the paper, and then load a supported one. Does the problem remain? Step 5 Go to step 6. The problem is solved. Perform a print test. Does the problem remain? Step 6 Go to step 8.
Page 39: Streaked Vertical Lines Appear On Prints During A Print Job Check
Step 2 Go to step 4. Go to step 3. 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.
Page 40: Horizontal Light Bands Check
Contact the next Go to step 6. level of support. 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.
Page 41: Vertical Light Bands Check
Step 3 Go to step 5. Go to step 4. 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.
Page 42: Vertical Dark Bands Check
Step 4 Go to step 6. Go to step 5. 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.
Page 43: Vertical Dark Streaks With Print Missing Check
Step 3 Go to step 5. Go to step 4. 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.
Page 44: White Streaks And Voided Areas Check
4601 Action Step 5 Contact the next Go to step 6. level of support. 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. Check the charge roller contact on the right side of the imaging unit for damage and contamination.
Page 45: Clipped Pages Or Images Check
Step 1 Go to step 3. Go to step 2. 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.
Page 46 Step 3 Go to step 5. Go to step 4. 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.
Page 47: Incorrect Margins On Prints Check
4601 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”...
Page 48: Toner Specks Appear On Prints During A Print Job Check
Step 1 Go to step 3. Go to step 2. 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.
Page 49 Step 1 Go to step 3. Go to step 2. 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.
Page 50: Repeating Defects Check
4601 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”...
Page 51: Paper Jams
4601 Action Step 6 Go to step 7. The problem is solved. Replace the transfer roller. See “Transfer roller removal” on page 129. Does the problem remain? Step 7 Go to step 8. Contact the next level of support. Check if the distance between the repeating defects is equal to any of the following: •...
Page 52 4601 Error Description Action code 200.15 Paper fed from tray 1 never cleared the sensor “Sensor (input): Paper failed to clear jam (input). service check” on page 200.22 Paper fed from tray 2 was detected earlier than “Sensor (input): Paper arrived too early jam expected at the sensor (input).
Page 53 4601 Action Step 6 Go to step 7. The problem is solved. Make sure that the pick roller and separator roller are free from contamination. Clean the pick roller and separator roller. Does the problem remain? Step 7 Go to step 9. Go to step 8.
Page 54 4601 Action Step 3 Go to step 4. The problem is solved. Make sure that the tray is not overﬁlled. Make sure that the paper guides are not set too tight against the paper. Does the problem remain? Step 4 Go to step 5.
Page 55 4601 Action Step 1 Go to step 3. Go to step 2. 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. Note: The tray has no size sensing mechanism.
Page 56 4601 Action Step 8 Contact the next The problem is level of support. solved. Perform a print test. Does the problem remain? Sensor (input): Paper failed to clear jam service check Action Step 1 Go to step 3. Go to step 2. Remove the tray insert.
Page 57 4601 Action Step 7 Go to step 8. The problem is solved. Make sure that the MPF pick roller is free of contamination. Does the problem remain? Step 8 Go to step 9. The problem is solved. Replace the front door. See “Front door removal”...
Page 58: Sensor (Input): Static Jam Service Check
4601 Sensor (input): Static jam service check Action Step 1 Go to step 3. Go to step 2. Check the paper path for paper fragments and partially fed paper. Is the paper path free of paper fragments and partially fed paper? Step 2 Go to step 3.
Page 59 4601 Error code Description Action 202.05 Paper fed from the MPF never cleared the sensor “Sensor (fuser exit): Paper failed to clear jam (fuser exit). service check” on page 202.15 Paper fed from tray 1 never cleared the sensor (fuser exit). 202.25 Paper fed from tray 2 never cleared the sensor (fuser exit).
Page 60 4601 Action Step 5 Go to step 7. Go to step 6. Enter the Diagnostics menu, and then navigate to: Printer diagnostics & adjustments > Sensor tests Find the sensor (fuser exit). Make sure that the sensor actuator freely moves and is not stuck.
Page 61 4601 Action Step 11 Go to step 12. The problem is solved. Replace the main drive gears. See “Main drive gears removal” on page 110. Does the problem remain? Step 12 Contact the next The problem is level of support. solved.
Page 62 4601 Action Step 2 Go to step 5. Go to step 3. Enter the Diagnostics menu, and then navigate to: Printer diagnostics & adjustments > Sensor tests Find the sensor (fuser exit). Make sure that the sensor actuator freely moves and is not stuck.
Page 63: Sensor (Fuser Exit): Static Jam Service Check
4601 Sensor (fuser exit): Static jam service check Action Step 1 Go to step 2. The problem is solved. Remove paper fragments and partially fed paper. Does the problem remain? Step 2 Go to step 4. Go to step 3. Enter the Diagnostics menu, and then navigate to: Printer diagnostics &...
Page 64: 232 Paper Jams
4601 232 paper jams 232 paper jam messages Error code Description Action 232.03 Paper fed from MPF was detected later than “Sensor (input): Paper (duplex job) failed to expected or was never detected at the sensor arrive jam service check” on page (input) during a duplex print job.
Page 65 4601 Action Step 4 Go to step 6. Go to step 5. Check the duplex path area for jammed paper and obstructions. Is the duplex path area free of jammed paper and obstructions? Step 5 Go to step 6. The problem is solved.
Page 66: 242 Paper Jams
4601 Action Step 12 Contact the next The problem is level of support. solved. Perform a print test. Does the problem remain? 242 paper jams 242 paper jam messages Error code Description Action 242.26 Paper fed from tray 2 was picked but it never “Optional tray pick drive failure service reached the sensor (input).
Page 67 4601 Error code Description Action 33.40 A non-Lexmark black toner cartridge was “Unsupported or unresponsive toner detected. cartridge service check” on page 33.60 41.60 The imaging unit and toner cartridge are “Mismatched supplies error service check” mismatched or incompatible. on page 42.xx...
Page 68: Unsupported Or Unresponsive Toner Cartridge Service Check
Action Step 1 Go to step 3. Go to step 2. Check whether the toner cartridge installed is genuine. Is the cartridge a genuine and supported Lexmark unit? Step 2 Go to step 3. The problem is solved. Install a genuine and supported Lexmark toner cartridge.
Page 69: Unsupported Or Unresponsive Imaging Unit Service Check
Go to step 3. Go to step 2. Check whether the imaging unit installed is genuine and supported by the printer model. Is the imaging unit a genuine and supported Lexmark unit? Step 2 Go to step 3. The problem is solved.
Page 70: Mismatched Supplies Error Service Check
Step 1 Go to step 3. Go to step 2. Check whether the supplies installed are genuine and supported by the printer model. Are the supplies genuine and supported Lexmark units? Step 2 Go to step 3. The problem is solved.
Page 71: Printer Hardware Errors
4601 Action Step 5 Contact the next The problem is level of support. solved. Replace the affected part with a new one. • Fuser • Pick roller • Transfer roller Does the problem remain? Printer hardware errors 111 errors 111 error messages Error code Description Action...
Page 72: Printhead Service Check
4601 Printhead service check Action Step 1 Go to step 2. The problem is solved. Perform a POR. Does the problem remain? Step 2 Go to step 4. Go to step 3. Make sure that the JVD01 and JMIR1 cables are properly connected on the controller board.
Page 73: Errors
4601 121 errors 121 error messages Error code Description Action 121.00 Fuser did not reach the required temperature. “Fuser service check” on page 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 open and the micro‑controller was not reporting an error.
Page 74: Fuser Service Check
Go to step 3. Go to step 5. Check whether the fuser installed is genuine and supported by the printer model. Is the fuser a genuine and supported Lexmark unit? Step 3 Go to step 4. Go to step 5.
Page 75: 126 Errors
4601 Action Step 10 Go to step 11. The problem is solved. Replace the LVPS. See “LVPS removal” on page 120. Does the problem remain? Step 11 Contact the next The problem is level of support. solved. Replace the fuser. See “Fuser removal”...
Page 76: 140 Errors
4601 Action Step 3 Go to step 4. The problem is solved. Make sure that the PCN1 cable on the LVPS is properly connected. Make sure that the JLVPS1 cable on the controller board is properly connected. Does the problem remain? Step 4 Go to step 5.
Page 77: 162 Errors
4601 Motor (main drive) service check Action Step 1 Go to step 3. Go to step 2. Remove the imaging unit. Manually turn the photoconductor gear, and then check the cleaning blade for damage or failure. Does the photoconductor drum rotate? Step 2 Go to step 3.
Page 78 4601 Optional tray pick drive failure service check Action Step 1 Go to step 3. Go to step 2. Check if the optional tray motor (pick) runs. Does the motor run? Step 2 Go to step 3. The problem is solved.
Page 79: 6Yy Errors
4601 6yy errors 600–680 error messages Error code Description Action 600.01 Toner tally from the RIP was not received. Resend the print job. If the problem remains, then contact the next level of support. 600.02 Video did not start. 600.04 Duplex page was not picked.
Page 80: Procedure Before Starting The 9Yy Service Checks
4601 Error code Description Action 662.23 The tray 2 lift plate failed to lift. “Optional tray pick drive failure service check” on page 662.80 Jam detection caused by motor (tray 2) not turning 662.81 Jam detection caused by motor (tray 2) not turning off.
Page 81: Collecting The History Information From The Se Menu
4601 A. Collecting the history information from the SE menu Note: Make sure that your printer is connected to a network or to a print server. Open a web browser, type http://printer_IP_address/se, and then press Enter. Notes: printer_IP_address is the TCP/IP address of the printer. •...
Page 82: Collecting Information From The User
4601 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 912 errors 912 error messages Error code...
Page 83 4601 Error code Description Action 912.08 An engine error occurred. Resend the print job. If the problem remains, then contact the next level of 912.09 An engine error occurred. support. 912.10 An engine error occurred. 912.13 An engine error occurred. 912.14 An engine error occurred.
Page 84 4601 Error code Description Action 912.39 An engine error occurred. Resend the print job. If the problem remains, then contact the next level of 912.40 An engine error occurred. support. 912.42 An engine error occurred. 912.43 An engine error occurred. 912.44 An engine error occurred.
Page 85 4601 Optional tray communication error service check Action Step 1 Go to step 3. Go to step 2. 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? Step 2 Go to step 3.
Page 86: 938-992 Errors
4601 938-992 errors 938–992 error messages Error code Description Action 938.yy Supplies security is not enabled. Restart the printer. If the problem remains, then contact the next level of support. 950.10 Non-Generic FRU installed. “NVRAM mismatch failure service check” on page Mismatch between system NVRAM part and mirror NVRAM part.
Page 87: Other Symptoms
4601 Action Step 1 Go to step 2. Go to step 4. Check if the control panel was recently replaced. Was the control panel recently replaced? Step 2 Go to step 3. The problem is solved. Replace the current control panel with the original control panel. “Top cover removal”...
Page 88: Tray Near Empty Service Check
4601 Tray near empty service check Action Step 1 Go to step 3. Go to step 2. Check the actuator in the tray insert for damage. Is the actuator free of damage? Step 2 Go to step 3. The problem is solved.
Page 89: False Bin Full Error Service Check
4601 False bin full error service check Action Step 1 Go to step 2. The problem is solved. Remove, and then install the bin full sensor actuator. See “Bin full sensor actuator removal” on page 138. Does the problem remain? Step 2 Go to step 3.
Page 90 4601...
Page 91: Service Menus
4601 Service menus Understanding the printer control panel Using the control panel Control panel part Function Display • View printer messages and supply status. • Set up and operate the printer. Right arrow button • Scroll through menus or move between screens and menu options. •...
Page 92: Diagnostics Menu
4601 Indicator light Printer status Blinking red The printer requires user intervention. Solid amber The printer is in Sleep mode. 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, on the control panel, press and hold the Left arrow and OK buttons.
Page 93: Print Log
4601 Event Log > Display Log For non‑touch‑screen printer models, press to navigate through the settings. 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.
Page 94: Output Bin Quick Feed
4601 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.
Page 95: Engine Setting [X]
4601 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. Model name This setting shows the model name of the printer. Enter the Diagnostics menu, and then navigate to: Printer Setup >...
Page 96: Printer Diagnostics & Adjustments
4601 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. Notes: • The sensor status on the screen toggles between 1 and 0 when the sensor is properly working. •...
Page 97: Config Menu
4601 Media Pick Clutch Fan (main) 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 >...
Page 98: Config Menu
4601 Conﬁg Menu Menu item Description USB Conﬁguration Change the USB driver mode of the printer to improve its compatibility with a personal computer. USB PnP USB Conﬁguration Set the USB port to run at full speed and disable its high‑speed capabilities.
Page 99: Service Engineer (Se) Menu
4601 Menu item Description Print Conﬁguration Set a text point-size value below which the high‑frequency screens are used when printing font data. Font Sharpening For example, if the value is 24, then all fonts sized 24 points or 0–150(24*) less use the high‑frequency screens. Print Conﬁguration Adjust the toner density when printing documents.
Page 100: Entering Invalid Engine Mode
4601 Top‑level menu Intermediate menu HISTORY • Print History • Mark History • Set Card Speed • • Keep Alive NPAP Print Alerts TCP/IP • DHCP Request Options • netstat • • Allow SNMP Set • • Meditech Mode • RAW LPR Mode •...
Page 101: Entering Recovery Mode
4601 When the display shows the following icon, close tray 1. From the menu that appears on the display, press the arrow buttons to navigate the menu, and then select ENGINE_FLASH. 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.
Page 102 4601 For 2.4-, 4.3-, 7-, and 10-inch displays Turn off the printer. Press and hold the 2, 7, and 8 buttons. Turn on the printer. When the display shows the following icon, release the buttons. For 2.8‑inch display Turn off the printer. Open tray 1.
Page 103: Parts Removal
4601 Parts removal 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).
Page 104 4601 CAUTION—SHOCK HAZARD: To avoid the risk of electrical shock and to prevent damage to the printer, remove the power cord from the electrical outlet and disconnect all connections to any external devices before you connect or disconnect any cable, electronic board, or assembly. CAUTION—HOT SURFACE: The inside of the printer might be hot.
Page 105: Handling Esd-Sensitive Parts
4601 PRECAUCIÓN: PELIGRO DE ATRAPAMIENTO: Para evitar el riesgo de lesión por atrapamiento, preste atención en las áreas marcadas con esta etiqueta. Las lesiones por atrapamiento se pueden producir en torno a partes móviles, tales como engranajes, puertas, bandejas y cubiertas. Vorsichtsmaßnahmen bei der Demontage VORSICHT –...
Page 106: Critical Information For Controller Board Or Control Panel Replacement
4601 Critical information for controller board or control panel replacement Warning—Potential Damage: Observe all precautions when handling ESD sensitive parts. See “Handling ESD‑sensitive parts” on page 105. Warning—Potential Damage: Carefully remove cables and connectors. Make sure they are not damaged. Warning—Potential Damage: To avoid damaging the part or experience NVRAM mismatch issues, replace only one of the following components at a time: •...
Page 107: Using A Network Computer
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.
Page 108: Ribbon Cable Connectors
4601 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.
Page 109: Removal Procedures
4601 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. •...
Page 110: Main Drive Gears Removal
4601 Open the front door, and then release the left front door link. Place the printer on its right side. Release the three latches (A) at the bottom of the cover, and then remove the cover. Main drive gears removal Note: For a video demonstration, see Main drive gears removal.
Page 111 4601 Remove the 12 screws, remove the gear covers, and then remove the gears. Installation notes: • Pay attention to the position of the gears. • Most gears have a molded letter for identiﬁcation. • Note the letter or number on the gears, and then use the following illustration to match their proper location and position in the printer.
Page 112 4601 • Some locations have multiple gears stacked on top of each other. Remove the left front door link. See “Left front door link removal” on page 115. Remove the two screws (A), and then remove the coupling (B). Parts removal...
Page 113 4601 Place the printer on its left side, remove the screw (C), and then remove the duplex swing arm assembly (D). Installation notes: Make sure that the gears assembly is properly installed in the housing. Parts removal...
Page 114: Pick Roller Clutch Removal
4601 Align the tab on the housing to the notch in the frame, and then install the duplex swing arm assembly. Pick roller clutch removal Remove the left cover. See “Left cover removal” on page 109. Remove the six screws, and then remove the gear cover. Remove the three gears.
Page 115: Left Front Door Link Removal
4601 Remove the clutch (A), and then disconnect the cable (B). Left front door link removal Remove the left cover. See “Left cover removal” on page 109. Remove the six screws, and then remove the gear cover. Remove the gear. Parts removal...
Page 116 4601 Release the left front door link (A) from the retainer (B), and then remove the left front door link. Parts removal...
Page 117: Right Side Removals
4601 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. Parts removal...
Page 118 4601 Release the three latches at the bottom (A). Release the latch at the front, and then remove the cover. Parts removal...
Page 119: Controller Board Removal
4601 Controller board removal Note: For a video demonstration, see Controller board removal. Remove the right cover. See “Right cover removal” on page 117. Disconnect all the cables from the controller board. Remove the ﬁve screws, and then remove the controller board. Parts removal...
Page 120: Lvps Removal
4601 LVPS removal Note: For a video demonstration, see LVPS removal. Remove the right cover. See “Right cover removal” on page 117. 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.
Page 121 4601 Remove the three screws (A), release the HVPS, and then disconnect the cable (B). Parts removal...
Page 122: Sensor (Mpf Paper Present) Removal
4601 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 117. Open the front door, and then remove the screw. Release the latches securing the sensor, and then disconnect the sensor cable. Parts removal...
Page 123: Sensor (Front Door Interlock) Removal
4601 Sensor (front door interlock) removal Remove the right cover. See “Right cover removal” on page 117. Disconnect the cable (A), and then remove the sensor (B). Parts removal...
Page 124: Right Front Door Link Removal
4601 Right front door link removal Remove the right cover. See “Right cover removal” on page 117. Remove the screw, and then remove the link from the front door. MPF solenoid cable removal Note: For a video demonstration, see MPF solenoid cable removal.
Page 125: Main Fan Removal
4601 Disconnect the cable, and then remove the screw to remove the solenoid cable. Main fan removal Note: For a video demonstration, see Main fan removal. Remove the left cover. See “Left cover removal” on page 109. Remove the right cover. See “Right cover removal”...
Page 126: Front Removals
4601 Disconnect the cable, and then remove the screw to remove the fan. Front removals Control panel removal Remove the left cover. See “Left cover removal” on page 109. Remove the right cover. See “Right cover removal” on page 117. Remove the top cover.
Page 127: Control Panel Cable Removal
4601 Remove the two screws, and then remove the control panel. Control panel cable removal Remove the left cover. See “Left cover removal” on page 109. Remove the right cover. See “Right cover removal” on page 117. Remove the top cover. See “Top cover removal”...
Page 128: Upper Front Cover Removal
4601 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. Front door removal Note: For a video demonstration, see Front door removal. Remove the right cover. See “Right cover removal”...
Page 129: Transfer Roller Removal
4601 Release the left front door link, and then remove the front door. 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. Parts removal...
Page 130: Mpf Pick Roller Removal
4601 Installation notes: • Do not touch the foam on the roller. • The shaft has grease. To avoid contaminating the roller, do not touch the shaft. • Make sure that the spring is properly installed on the left side of the roller. MPF pick roller removal Open the front door.
Page 131: Pick Separator Roller Removal
4601 Pick separator roller removal Remove the tray insert. Remove the pick separator roller. Parts removal...
Page 132: Rear Removals
4601 Rear removals Rear door removal Remove the left cover. See “Left cover removal” on page 109. 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...
Page 133: Fuser Removal
4601 Fuser removal Note: For a video demonstration, see Fuser removal. Remove the right cover. See “Right cover removal” on page 117. Disconnect the three cables. Open the rear door, remove the four screws, and then remove the fuser. Parts removal...
Page 134: Top Removals
4601 Top removals Top cover removal Note: For a video demonstration, see Top cover removal. Remove the right cover. See “Right cover removal” on page 117. Disconnect the cable. Open the front door. Open the rear door. Parts removal...
Page 135: Printhead Removal
4601 Remove the two screws, and then remove the cover. Printhead removal Note: For a video demonstration, see Printhead removal. Remove the right cover. See “Right cover removal” on page 117. Remove the left cover. See “Left cover removal” on page 109.
Page 136 4601 Disconnect the two cables. Remove the three screws (A), remove the two cables (B) from the toroid (C), and then remove the printhead. Installation note: When installing the printhead, tighten the screws in the following the order: Parts removal...
Page 137: Redrive Removal
4601 Redrive removal Note: For a video demonstration, see Redrive removal. Remove the right cover. See “Right cover removal” on page 117. Remove the left cover. See “Left cover removal” on page 109. Disconnect the control panel cables. See “Control panel removal” on page 126.
Page 138: Bin Full Sensor Actuator Removal
4601 Bin full sensor actuator removal Remove the top cover. See “Top cover removal” on page 134. Firmly pull the bin full actuator to the left until it is disengaged from the printer frame. Remove the actuator. Installation notes: Make sure that the actuator is properly positioned as shown. Parts removal...
Page 139 4601 Carefully rotate the actuator upward until it is engaged to the printer frame. Make sure that the actuator is properly installed and freely rotates without binding. Parts removal...
Page 140: Bottom Removals
4601 Bottom removals Duplex guide removal Place the printer on its left side. Remove the duplex guide. Installation note: Make sure that the duplex guide is properly inserted into the locating features inside the printer. Parts removal...
Page 141 4601 Parts removal...
Page 142 4601...
Page 143: Component Locations
4601 Component locations Printer conﬁguration Control panel Multipurpose feeder Standard 250‑sheet tray Optional 550‑sheet tray Standard bin Controller board connectors Connector Connects to Signal number JWIFI1 Wi‑Fi antenna WIFI_ANT Component locations...
Page 144 4601 Connector Connects to Signal number 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 mirror) +25 V_SW MM_START MM_LOCK MM_REFCLK Component locations...
Page 145 4601 Connector Connects to Signal number JUICC2L 2‑line control panel LCD LED_DRIVE +5 V_CONT MIR_TXD MIR_CS- POWER_BUTTON MIR_RXD +5 V_UI MIR_CLK I2C_DAT I2C_CLK +3.3 V_UI RESET- IRQ- +3.3 V_UI JSCHIP1 Toner cartridge and imaging unit smart I2C_DAT chip +3.3 V_SCHIP I2C_CLK TONER_EMPTY JCVR1...
Page 146 4601 Connector Connects to Signal number JHVPS1 HVPS +25 V_SW DEV_PWM ADC_HV_SERVO XFER_EN TX_PWM CHG_PWM JMTR1 Motor (main drive) +25 V_SW BRAKE +25 V_SW Sensor (toner density) LED_PWM_TDS 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...
Page 147 4601 Connector Connects to Signal number JLVPS1 LVPS RELAY_ON HEAT_ON ZERO_CROSS +25 V_SW_ON +25 V_CONT_RAIL +25 V_SW_RAIL 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...
Page 148 4601...
Page 149: Maintenance
4601 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.
Page 150: Parts Catalog
4601 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. •...
Page 151: Assembly 1: Covers
4601 Assembly 1: Covers Parts catalog...
Page 152 4601 Assembly 1: Covers Asm-index Units/mach Units/FRU Description Removal procedure 41X2582 Rear door “Rear door removal” on page 132 41X2580 Right cover “Right cover removal” on page 117 41X2584 Front door with MPF pick “Front door removal” on page 128 roller 41X2583 Upper front cover with...
Page 153: Assembly 2: Electronics
4601 Assembly 2: Electronics Parts catalog...
Page 154 4601 Assembly 2: Electronics Asm-index Units/mach Units/FRU Description Removal procedure 41X2573 Printhead “Printhead removal” on page 135 41X2655 Controller board “Controller board removal” on (MS331dw) page 119 41X2656 Controller board “Controller board removal” on (B3340dw, MS431dw, page 119 B3442dw) 41X2861 Controller board (MS431dn, “Controller board removal”...
Page 155: Assembly 3: Gears
4601 Assembly 3: Gears Parts catalog...
Page 156 4601 Assembly 3: Gears Asm-index Units/mach Units/FRU Description Removal procedure 41X2391 Pick roller clutch “Pick roller clutch removal” on page 114 41X2576 Main drive gears kit “Main drive gears removal” on page 110 Parts catalog...
Page 157: Assembly 4: Paper Path
4601 Assembly 4: Paper path R I G H T R E A R Parts catalog...
Page 158 4601 Assembly 4: Paper path Asm-index Units/mach Units/FRU Description Removal procedure 41X2575 Pick separator roller “Pick separator roller removal” on page 131 41X2585 250-sheet tray 41X2599 Fuser, 100 V “Fuser removal” on page 133 41X2586 Fuser, 115 V “Fuser removal” on page 133 41X2600 Fuser, 230 V “Fuser removal”...
Page 159: Assembly 5: 550-Sheet Optional Tray
4601 Assembly 5: 550‑sheet optional tray Parts catalog...
Page 160 4601 Assembly 5: 550‑sheet optional tray Asm-index Units/mach Units/FRU Description Removal procedure 41X2612 550-sheet tray 41X2614 550-sheet tray pick roller 41X2613 550-sheet tray insert Parts catalog...
Page 161: Assembly 6: Miscellaneous
4601 Assembly 6: Miscellaneous Asm-index Units/mach Units/FRU Description Removal procedure 40X0288 Power cord, Argentina 40X1767 Power cord, Europe 40X1766 Power cord, Bolivia and Peru 40X0259 Power cord, Brazil 40X0273 Power cord, Chile and Uruguay 40X1792 Power cord, Korea 40X0303 Power cord, PRC 40X1791 Power cord, Taiwan 40X0301...
Page 162 4601...
Page 163: Printer Specifications
Note: Some modes may not apply to your product. Mode Description Power consumption (Watts) Printing The product is generating hard‑copy output from electronic One-sided: 550 (MS331, B3340), 570 inputs. (MS431, MS439, B3442); Two-sided: 300 (MS331, B3340), 305 (MS431, MS439, B3442) Copy The product is generating hard‑copy output from hard‑copy...
Page 164: Hibernate Mode
4601 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: •...
Page 165: Noise Emission Levels
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. Temperature information Ambient operating temperature 10 to 32.2°C (50 to 90°F) Shipping temperature -40 to 40°C (-40 to 104°F)
Page 166 4601...
Page 167: Theory Of Operation
4601 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.
Page 168: Print Cycle
4601 Print cycle Flowchart EXPOSE DEVELOP IMAGING UNIT CHARGE TRANSFER CLEAN PAPER FUSE Theory of operation...
Page 169 4601 Charge 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...
Page 170 4601 Expose 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...
Page 171 4601 Develop 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.
Page 172 4601 Transfer 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.
Page 173 4601 Fuse 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.
Page 174: Printer Operation
4601 Printer operation Printer sections Output bin Printhead Imaging unit Toner cartridge Simplex paper path Standard tray Optional tray Transfer roller Duplex paper path Fuser Theory of operation...
Page 175: Printer Paper Path
4601 Printer paper path Simplex print job Photoconductor Transport roller MPF pick roller Feed roller Separator roller Pick roller Separator pad 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.
Page 176 4601 As the paper passes the fuser, heat and pressure are applied to permanently bond the toner to the paper. After printing, the paper exit roller ejects the paper to the output bin. 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.
Page 177: Printer Paper Path Sensors
4601 Printer paper path sensors Sensor Function Sensor (input) Detects paper that is traveling from the transport roller Sensor (MPF paper present) Detects paper presence in the MPF Sensor (trailing edge) Detects the trailing edge of the paper that is fed from the optional tray Sensor (index) Detects if the pick roller is at the correct height to pick paper from the optional tray...
Page 178: Main Drive
4601 Main drive MPF pick roller Transport roller Motor (main drive) Transfer roller Photoconductor Fuser 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: •...
Page 179: Tray Drive
4601 • Fuser • Paper exit roller • Duplex 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.
Page 180: Index
4601 Index 912 error messages 82 938–992 error messages 86 advanced print quality samples 92 ESD‑sensitive parts 105 event log display log 92 charge 169 mark log 93 clean 172 print log 93 cleaning print log summary 93 exterior of the printer 149 expose 170 interior of the printer 149 cleaning the printer 149...
Page 181 4601 transfer 172 pick separator roller 131 print engine layout 167 printhead 135 printer rear door 132 minimum clearances 164 redrive 137 right cover 117 selecting a location 164 right front door link 124 printer conﬁguration 143 printer diagnostics sensor (front door interlock) 123 input tray quick print 93 sensor (MPF paper present) 122 output bin quick feed 94...
Page 182 4601 using a USB cable connection 106 using the control panel 91 Index...
Page 183: Part Number Index
4601 Part number index Part name Page 40X0259 Power cord, Brazil............................161 40X0271 Power cord, United Kingdom, Asian, Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, Vietnam, Afghanistan, Bangladesh, Bhutan, India, Nepal, Pakistan, Sri Lanka, Tibet, and Hong Kong............161 40X0273 Power cord, Chile and Uruguay........................
Page 184 4601 Part name Page 41X2612 550-sheet tray..............................160 41X2613 550-sheet tray insert.............................160 41X2614 550-sheet tray pick roller..........................160 41X2636 Main fan................................154 41X2655 Controller board (MS331dw)........................154 41X2656 Controller board (B3340dw, MS431dw, B3442dw)................154 41X2712 Duplex guide..............................158 41X2860 Sensor (tray near empty) assembly (MS439)..................154 41X2861 Controller board (MS431dn, MS439dn)....................
Page 185: Part Name Index
4601 Part name index Part name Page 41X2585 250-sheet tray..............................158 41X2612 550-sheet tray..............................160 41X2613 550-sheet tray insert.............................160 41X2614 550-sheet tray pick roller..........................160 41X2656 Controller board (B3340dw, MS431dw, B3442dw)................154 41X2655 Controller board (MS331dw)........................154 41X2861 Controller board (MS431dn, MS439dn)....................154 41X2712 Duplex guide..............................
Page 186 4601 Part name Page 40X0271 Power cord, United Kingdom, Asian, Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, Vietnam, Afghanistan, Bangladesh, Bhutan, India, Nepal, Pakistan, Sri Lanka, Tibet, and Hong Kong............161 41X2573 Printhead................................154 41X2582 Rear door................................152 41X2580 Right cover...............................152 41X2860 Sensor (tray near empty) assembly (MS439)..................
Page 187 83340dw, 83442dw, MS331 dn, MS431dn, MS431dw, MS439dn WIRING DIAGRAM ••• ••• ••• OPERATOR PANEL WIFI PRINTHEAD ,---------------------------- -; - ANTENNA SENSOR (FRONT DOOR INTERLOCK) TONER CARTRIDGE DAUGHTER SMARTCHIP CONTACTS CARD SLOT HIGH VOLTAGE POWER SUPPLY SENSOR (MPF MEDIA PRESENT) SENSOR (TRAY NEAR EMPTY) MEDIA PICK CLUTCH...

This manual is also suitable for:

B3442 Ms331 Ms431 Ms439 B3340dw B3442dw ... Show all