User's Guide
Page 2
... this publication may be used instead. References in the Technical Reference. Trademarks Lexmark and Lexmark with local law: LEXMARK INTERNATIONAL, INC., PROVIDES THIS PUBLICATION "AS IS" WITHOUT WARRANTY OF ANY ...power cord or telephone, during a lightning storm. • CAUTION: This product uses a laser. these available in all countries in the operating instructions, to a professional service person. ... harmful emissions. (See Selecting print media on page43.) • Refer service or repairs, other replacement parts. 2 You must understand the section in later editions. The ...
... this publication may be used instead. References in the Technical Reference. Trademarks Lexmark and Lexmark with local law: LEXMARK INTERNATIONAL, INC., PROVIDES THIS PUBLICATION "AS IS" WITHOUT WARRANTY OF ANY ...power cord or telephone, during a lightning storm. • CAUTION: This product uses a laser. these available in all countries in the operating instructions, to a professional service person. ... harmful emissions. (See Selecting print media on page43.) • Refer service or repairs, other replacement parts. 2 You must understand the section in later editions. The ...
User's Guide
Page 97
...does not function as warranted during the warranty period, contact a Remarketer or Lexmark for repair or replacement (at http://support.lexmark.com. If this product is a feature or option, this product for... your product to the Remarketer or Lexmark, or ship it , or its warranty period. To obtain warranty service you present for Lexmark E250d and E250dn 97 Replacement is not ... toners and inks), software, or interfaces not furnished by any maintenance items included with the printer shall end earlier if it prepaid and suitably packaged to real property or tangible personal property ...
...does not function as warranted during the warranty period, contact a Remarketer or Lexmark for repair or replacement (at http://support.lexmark.com. If this product is a feature or option, this product for... your product to the Remarketer or Lexmark, or ship it , or its warranty period. To obtain warranty service you present for Lexmark E250d and E250dn 97 Replacement is not ... toners and inks), software, or interfaces not furnished by any maintenance items included with the printer shall end earlier if it prepaid and suitably packaged to real property or tangible personal property ...
Service Manual
Page 6
... 2-53 Diagnostic aids 3-1 Accessing service menus 3-1 Printing menus 3-1 Moving around the menu 3-1 Configuration menu selections 3-4 Utilities 3-4 Setup 3-5 Parallel 3-5 USB 3-6 Network 3-7 Diagnostics mode selections 3-8 Adjustment procedures 3-9 Repair information 4-1 Handling ESD-sensitive parts 4-1 Removal procedures 4-1 Locations and connections 5-1 Locations 5-1 Front view 5-1 Rear view 5-1 Controller card connector pin values 5-2 Connectors 5-4 Preventive maintenance 6-1 Safety inspection...
... 2-53 Diagnostic aids 3-1 Accessing service menus 3-1 Printing menus 3-1 Moving around the menu 3-1 Configuration menu selections 3-4 Utilities 3-4 Setup 3-5 Parallel 3-5 USB 3-6 Network 3-7 Diagnostics mode selections 3-8 Adjustment procedures 3-9 Repair information 4-1 Handling ESD-sensitive parts 4-1 Removal procedures 4-1 Locations and connections 5-1 Locations 5-1 Front view 5-1 Rear view 5-1 Controller card connector pin values 5-2 Connectors 5-4 Preventive maintenance 6-1 Safety inspection...
Service Manual
Page 14
...something that might damage the product hardware or software. xiv Lexmark™ E250d and E250dn General information contains a general description of the printer and the maintenance approach used to repair it. Repair information provides instructions for individual FRUs. Connector locations uses ...). 3. Preventive maintenance contains the lubrication specifications and recommendations to identify the connector locations and test points on the printer. 6. CAUTION: When you are , as well as general environmental and safety instructions. 2. Appendix A contains ...
...something that might damage the product hardware or software. xiv Lexmark™ E250d and E250dn General information contains a general description of the printer and the maintenance approach used to repair it. Repair information provides instructions for individual FRUs. Connector locations uses ...). 3. Preventive maintenance contains the lubrication specifications and recommendations to identify the connector locations and test points on the printer. 6. CAUTION: When you are , as well as general environmental and safety instructions. 2. Appendix A contains ...
Service Manual
Page 15
... charts, symptom index, and service checks to verify the repair. See "Repair information" on page 2-1 for single users or small workgroups. See "Diagnostic information" on page 4-1 to the correct field replaceable unit (FRU) or part. General information The Lexmark™ E250d and E250dn are two models covered in this manual: ...A4, 25ppm on legal). General information 1-1 This book contains information on E352dn, see the 4512-430 service manual. Models There are monochrome laser printers designed for more information. 4512-220, -230 1. For information on E250n and E250dn.
... charts, symptom index, and service checks to verify the repair. See "Repair information" on page 2-1 for single users or small workgroups. See "Diagnostic information" on page 4-1 to the correct field replaceable unit (FRU) or part. General information The Lexmark™ E250d and E250dn are two models covered in this manual: ...A4, 25ppm on legal). General information 1-1 This book contains information on E352dn, see the 4512-430 service manual. Models There are monochrome laser printers designed for more information. 4512-220, -230 1. For information on E250n and E250dn.
Service Manual
Page 25
... action for personal safety and to prevent damage to repair a printer, look for debris in the paper path. Diagnostic information 2-1 2. This is a precaution for a malfunctioning printer. To determine the corrective action to the printer. Always check for the following information: • A description of the printer. - Models E250d and E250dn have an operator panel containing lights and...
... action for personal safety and to prevent damage to repair a printer, look for debris in the paper path. Diagnostic information 2-1 2. This is a precaution for a malfunctioning printer. To determine the corrective action to the printer. Always check for the following information: • A description of the printer. - Models E250d and E250dn have an operator panel containing lights and...
Service Manual
Page 67
... -230 Operator panel service check Inspect the operator panel cable for damage. Each card contains the printer settings. If any position other card. Paper feed service checks Paper jam error indication during POST and... are worn or broken, the solenoid may not stop the ACM from the other than vertical, the printer will display a paper jam. With the printer on page 2-2. Buttons If the buttons do not respond, replace the operator panel. Replace the fuser ...and check each light for the faulty switches. Make sure the cable is no test or repair for proper operation.
... -230 Operator panel service check Inspect the operator panel cable for damage. Each card contains the printer settings. If any position other card. Paper feed service checks Paper jam error indication during POST and... are worn or broken, the solenoid may not stop the ACM from the other than vertical, the printer will display a paper jam. With the printer on page 2-2. Buttons If the buttons do not respond, replace the operator panel. Replace the fuser ...and check each light for the faulty switches. Make sure the cable is no test or repair for proper operation.
Service Manual
Page 93
... its special bag. • Machine covers and metal tables are known to be protected from the printer to electrostatic discharge (ESD). Repair information 4-1 Install machine covers when the machine is used, because low humidity increases static electricity. Repair information Warning: Read the following before removing other personnel. When reinstalling a part held with ESD...
... its special bag. • Machine covers and metal tables are known to be protected from the printer to electrostatic discharge (ESD). Repair information 4-1 Install machine covers when the machine is used, because low humidity increases static electricity. Repair information Warning: Read the following before removing other personnel. When reinstalling a part held with ESD...
Service Manual
Page 95
Remove the front access cover. Warning: Make sure that the link is not bent or pulled out farther than normal. Repair information 4-3 Otherwise, the toner cartridge coupler may become dislodged. 9. Tilt the front cover down, and disconnect it on the left side from the link. 4512-220, -230 8.
Remove the front access cover. Warning: Make sure that the link is not bent or pulled out farther than normal. Repair information 4-3 Otherwise, the toner cartridge coupler may become dislodged. 9. Tilt the front cover down, and disconnect it on the left side from the link. 4512-220, -230 8.
Service Manual
Page 97
Open the front access cover. 3. Open the rear door. 4. Position the printer with the right rear corner hanging over the pivot point, and drop the cover away from the printer. Right side cover removal 1. Release the latches (A), and swing the cover open. 4512-220, -230 5. Lift the top rear of the cover over the edge of the table. 6. Repair information 4-5 Remove Tray 1. 2.
Open the front access cover. 3. Open the rear door. 4. Position the printer with the right rear corner hanging over the pivot point, and drop the cover away from the printer. Right side cover removal 1. Release the latches (A), and swing the cover open. 4512-220, -230 5. Lift the top rear of the cover over the edge of the table. 6. Repair information 4-5 Remove Tray 1. 2.
Service Manual
Page 99
Remove the two screws (A) from the two front corners on the top cover, the two screws (B) from the two rear corners on the top cover, and the screw (C) on the left side cover. Remove the two screws (D). Remove the left side. Open the front cover. 6. See "Left side cover removal" on page 4-5. 2. Open the rear door. 4. Remove the controller card cover. D 7. Repair information 4-7 See "Right side cover removal" on page 4-4. 3. Remove the right side cover. BC A B 5. 4512-220, -230 Top cover removal 1.
Remove the two screws (A) from the two front corners on the top cover, the two screws (B) from the two rear corners on the top cover, and the screw (C) on the left side cover. Remove the two screws (D). Remove the left side. Open the front cover. 6. See "Left side cover removal" on page 4-5. 2. Open the rear door. 4. Remove the controller card cover. D 7. Repair information 4-7 See "Right side cover removal" on page 4-4. 3. Remove the right side cover. BC A B 5. 4512-220, -230 Top cover removal 1.
Service Manual
Page 101
Remove the auto comp clutch. Lay the printer on page 4-18. 2. 4512-220, -230 Auto comp removal 1. See "Duplex removal" on its top. See"Auto comp clutch removal" on page 4-10. 3. Raise the auto comp, and unhook the counter balance spring (A). Remove the duplex. Be sure to rotate the latch toward the bottom of the printer until it from marring. 5. Repair information 4-9 Use a spring hook or a small screwdriver to protect it is pointing downward. 4.
Remove the auto comp clutch. Lay the printer on page 4-18. 2. 4512-220, -230 Auto comp removal 1. See "Duplex removal" on its top. See"Auto comp clutch removal" on page 4-10. 3. Raise the auto comp, and unhook the counter balance spring (A). Remove the duplex. Be sure to rotate the latch toward the bottom of the printer until it from marring. 5. Repair information 4-9 Use a spring hook or a small screwdriver to protect it is pointing downward. 4.
Service Manual
Page 103
See "Auto comp clutch removal" on page 4-10. 2. Use a screwdriver to align the ACM with the frame opening for clearance, unsnap the shaft from the ACM. 4. Remove the auto comp clutch. Remove the auto comp drive shaft assembly. 5. Repair information 4-11 Use a spring hook or a small screwdriver to help in installation. With the bushing aligned with the shaft bearing to dislodge the arm of the shaft bushing, and rotate the arm counterclockwise as far as it will go. 3. 4512-220, -230 Auto comp drive shaft assembly removal 1.
See "Auto comp clutch removal" on page 4-10. 2. Use a screwdriver to align the ACM with the frame opening for clearance, unsnap the shaft from the ACM. 4. Remove the auto comp clutch. Remove the auto comp drive shaft assembly. 5. Repair information 4-11 Use a spring hook or a small screwdriver to help in installation. With the bushing aligned with the shaft bearing to dislodge the arm of the shaft bushing, and rotate the arm counterclockwise as far as it will go. 3. 4512-220, -230 Auto comp drive shaft assembly removal 1.
Service Manual
Page 105
... screws (A) that are new and replaced at the same time. 4. Disconnect all the cables from the controller card, and remove cables from the other card. Repair information 4-13 When either of these cards is new, it obtains its settings from the shield housing. 4512-220, -230 Controller card removal Warning: •... at the same time without a successful POR in between. 1. Critical factory settings are lost when both are securing the controller card. Each card contains the printer settings. See"Right side cover removal" on page 4-5. 2.
... screws (A) that are new and replaced at the same time. 4. Disconnect all the cables from the controller card, and remove cables from the other card. Repair information 4-13 When either of these cards is new, it obtains its settings from the shield housing. 4512-220, -230 Controller card removal Warning: •... at the same time without a successful POR in between. 1. Critical factory settings are lost when both are securing the controller card. Each card contains the printer settings. See"Right side cover removal" on page 4-5. 2.
Service Manual
Page 107
... side cover removal" on the controller card. 4512-220, -230 Cover open sensor removal 1. Remove Tray 1. 2. Open the front cover. 3. Note: The cable has a toroid. Repair information 4-15
... side cover removal" on the controller card. 4512-220, -230 Cover open sensor removal 1. Remove Tray 1. 2. Open the front cover. 3. Note: The cable has a toroid. Repair information 4-15
Service Manual
Page 109
5. Repair information 4-17 Remove the coupling spring (E). 4512-220, -230 6. Remove the developer drive coupling (F).
5. Repair information 4-17 Remove the coupling spring (E). 4512-220, -230 6. Remove the developer drive coupling (F).
Service Manual
Page 111
Note: At re-installation, before tightening the screws, locate the duplex unit against the left side frame. (Left side relative to the picture above.) Repair information 4-19 Lift the right side (opposite the coupler) and remove the duplex. Remove the six screws (D). 4512-220, -230 10. 9.
Note: At re-installation, before tightening the screws, locate the duplex unit against the left side frame. (Left side relative to the picture above.) Repair information 4-19 Lift the right side (opposite the coupler) and remove the duplex. Remove the six screws (D). 4512-220, -230 10. 9.
Service Manual
Page 113
... shaft flats with the holder, use the spring hook to place the toroid back over the same cables. 4. See steps 2 through 4 of place, and remove. Repair information 4-21 Open the right side cover.
... shaft flats with the holder, use the spring hook to place the toroid back over the same cables. 4. See steps 2 through 4 of place, and remove. Repair information 4-21 Open the right side cover.
Service Manual
Page 115
... second photo below), and remove. 4512-220, -230 Reinstallation note: • Be sure to reroute the cables back through their retainers. • If the printer has been moved following the removal of the way and will not be tilted to drop the latches (B) below the shaft for the final few... millimeters. • Check to open the latches (B). Repair information 4-23 Alternatively, the fuser may be pinched or damaged by the rear cover. Unlatch the fuser (see (A) and (B) in place. • Place the...
... second photo below), and remove. 4512-220, -230 Reinstallation note: • Be sure to reroute the cables back through their retainers. • If the printer has been moved following the removal of the way and will not be tilted to drop the latches (B) below the shaft for the final few... millimeters. • Check to open the latches (B). Repair information 4-23 Alternatively, the fuser may be pinched or damaged by the rear cover. Unlatch the fuser (see (A) and (B) in place. • Place the...
Service Manual
Page 117
Remove the coupling assembly. See "Developer drive coupling assembly removal" on page 4-28. 2. Disconnect the front access door from its hinges. Repair information 4-25 See "Main motor drive removal" on page 4-16. 3. Disconnect the link and door. 6. Note: The cover does not need to be electrically disconnected. 4. 5. Remove the developer link. Remove the main motor drive. 4512-220, -230 Link developer drive and access door removal 1. See "Front access cover removal" on page 4-2.
Remove the coupling assembly. See "Developer drive coupling assembly removal" on page 4-28. 2. Disconnect the front access door from its hinges. Repair information 4-25 See "Main motor drive removal" on page 4-16. 3. Disconnect the link and door. 6. Note: The cover does not need to be electrically disconnected. 4. 5. Remove the developer link. Remove the main motor drive. 4512-220, -230 Link developer drive and access door removal 1. See "Front access cover removal" on page 4-2.