Lexmark X940e Owners Manual
Have a look at the manual Lexmark X940e Owners Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 166 Lexmark manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
Repair information4-159 7510 Go Back Previous Next Actuator/media guide assembly removal 1. Open the ADF left cover assembly. 2. Lift the separation roll guide assembly (A) to its uppermost position. 3. Remove the two screws securing the actuator/media guide assembly (B) to the ADF. 4. Remove the actuator/media guide assembly (B). Inverter gate removal 1. Remove the actuator/media guide assembly. See “Actuator/media guide assembly removal” on page 4-159. 2. Flex the tab, and remove the boss from the hole. 3. Remove the inverter gate (A). ADF registration roll assembly removal 1. Remove the platen cushion assembly. See “Platen cushion removal” on page 4-137. 2. Remove the ADF unit assembly. See “ADF unit assembly removal” on page 4-136. 3. Open the ADF left cover assembly. 4. Remove the ADF front cover assembly. See “ADF front cover assembly removal” on page 4-138. 5. Remove the ADF rear cover. See “ADF rear cover removal” on page 4-138. 6. Remove the document tray assembly. See “Document tray assembly removal” on page 4-144. 7. Remove the ADF left cover media guide. See “ADF left cover media guide removal” on page 4-151. 8. Remove the left cover pinch roll assembly. See “Left cover pinch roll assembly removal” on page 4-141. 9. Remove the ADF left cover assembly. See “ADF left cover assembly removal” on page 4-139. 10. Remove the ADF media feed assembly. See “ADF media feed assembly removal” on page 4-142. 11. Remove the ADF feed drive motor assembly. See “ADF feed drive motor assembly removal” on page 4-141. A Rear B ATa b Boss
4-160Service Manual 7510 Go Back Previous Next 12. Lift the separation roll guide assembly to its uppermost position. 13. Remove the actuator/media guide assembly. See “Actuator/media guide assembly removal” on page 4-159. 14. Remove the two screws securing the sensor mount (A) to the ADF. 15. Slide the sensor mount (A) from the underside of the ADF transport roll (B), and move it out of the way. 16. Remove the tension spring (C). 17. Loosen the screw securing the tension bracket (D), and loosen the registration secondary drive belt (E) tension. 18. Remove the plastic clip securing the registration roll drive pulley 28T (F). 19. Slide the registration secondary drive belt (E) from the registration roll drive pulley 28T (F). 20. Remove the ADF registration motor. See “ADF registration motor removal” on page 4-166. 21. Remove the registration roll drive pulley 28T (F). 22. Remove the bearing 8 mm (G) securing the ADF registration roll assembly (H) to the rear of the feed assembly. 23. Remove the plastic clip securing the bearing 8 mm (I) of the front side. 24. Remove the bearing 8 mm (I) securing the ADF registration roll assembly (H) to the front of the feed assembly. 25. Move the ADF registration roll assembly (H) frontward and upward. 26. Remove the ADF registration roll assembly (H). Warning: Do not touch the rubber surface of the ADF registration roll assembly (H). Replacement note: Before reinstalling the registration secondary drive belt (E), ensure that it is routed properly. Replacement note: Loosen and then retighten the two screws that set the belt tension after the tension spring (C) is attached. ADF feed-out roll assembly removal 1. Remove the platen cushion assembly. See “Platen cushion removal” on page 4-137. 1. Remove the ADF unit assembly. See “ADF unit assembly removal” on page 4-136. 2. Open the ADF left cover assembly. Plastic clipIG C E F D Front H Plastic clip A B
Repair information4-161 7510 Go Back Previous Next 3. Remove the ADF front cover assembly. See “ADF front cover assembly removal” on page 4-138. 4. Remove the ADF rear cover. See “ADF rear cover removal” on page 4-138. 5. Remove the ADF left cover media guide. See “ADF left cover media guide removal” on page 4-151. 6. Remove the left cover pinch roll assembly. See “Left cover pinch roll assembly removal” on page 4-141. 7. Remove the ADF left cover assembly. See “ADF left cover assembly removal” on page 4-139. 8. Remove the document tray assembly. See “Document tray assembly removal” on page 4-144. 9. Remove the ADF registration motor. See “ADF registration motor removal” on page 4-166. 10. Remove the ADF media feed assembly. See “ADF media feed assembly removal” on page 4-142. 11. Remove the ADF feed drive motor assembly. See “ADF feed drive motor assembly removal” on page 4-141. 12. Lift the separation roll guide assembly to its uppermost position. 13. Remove the actuator/media guide assembly. See “Actuator/media guide assembly removal” on page 4-159. 14. Loosen the screw securing the tension bracket (A) and loosen the registration secondary belt (B) tension. 15. Remove the tension spring (B). 16. Loosen the screw securing the small tension bracket (C). 17. Remove the exit roll drive belt (D). 18. Remove the registration secondary drive belt (E). 19. Remove the plastic clip securing the exit/feed-out roll drive pulley 25/28T (F). 20. Remove the exit/feed-out roll drive pulley 25/28T (F). 21. Remove the bearing 8 mm (G) securing the ADF feed-out roll assembly (H) to the rear of the feed assembly. 22. Remove the plastic clip securing the manual feed drive pulley (I). 23. Remove the manual feed drive pulley (I). 24. Remove the manual feed drive belt (J). 25. Remove the bearing 8 mm (K) securing the feed-out roll assembly to the front of the feed assembly. 26. Move the ADF feed-out roll assembly (H) rearward and upward. 27. Remove the ADF feed-out roll assembly (H). Warning: Do not touch the rubber surface of the ADF exit roll assembly (G). CDA B F Plastic clipE JIKG HA Front Plastic clipC
4-162Service Manual 7510 Go Back Previous Next ADF separation roll guide assembly 1. Open the ADF left cover assembly. 2. Lift the separation roll guide assembly (A) to it uppermost position. 3. Lift and remove the separation roll guide assembly (A). Note: Extra upward force is required to remove the separation roll guide assembly. AB Rear
Repair information4-163 7510 Go Back Previous Next ADF exit roll assembly removal 1. Open the ADF left cover assembly. 2. Remove the ADF front cover assembly. See “ADF front cover assembly removal” on page 4-138. 3. Remove the ADF rear cover. See “ADF rear cover removal” on page 4-138. 4. Remove the ADF registration motor. See “ADF registration motor removal” on page 4-166 5. Remove the ADF feed drive motor assembly. See “ADF feed drive motor assembly removal” on page 4-141. 6. Remove the ADF separation roll guide assembly. See “ADF separation roll guide assembly” on page 4-162. 7. Loosen the screw securing the small tension bracket (A), and loosen the exit roll drive belt tension (B). 8. Loosen the screw securing the tension bracket (C), and loosen the registration secondary belt (D) tension. 9. Remove the registration secondary drive belt (D). 10. Remove the tension spring (E). 11. Remove the exit roll drive belt (B). 12. Loosen the set screw securing the damper (F). 13. Remove the damper (F). 14. Remove the plastic clip securing the bushing 6 mm (G) on the front of the feed assembly. 15. Remove the bushing 6 mm (G). 16. Move the ADF exit roll assembly (H) to the rear. 17. Release the hook securing the exit roll drive pulley 20T (I) to the ADF exit roll assembly (H). 18. Remove the exit roll drive pulley 20T (I). 19. Remove the retainer spring (J). 20. Remove the bushing 6 mm (K). 21. Move the ADF exit roll assembly (H) to the rear and then up. Note: Ensure that the small tension bracket (A) is applying adequate tension to the exit roll drive belt (B). 22. Remove the ADF exit roll assembly (H). Front G Plastic clip K B AC Rear E HIRear B C J D F
4-164Service Manual 7510 Go Back Previous Next ADF transport roll assembly removal 1. Open the ADF left cover assembly. 2. Remove the ADF front cover assembly. See “ADF front cover assembly removal” on page 4-138. 3. Remove the ADF rear cover. See “ADF rear cover removal” on page 4-138. 4. Remove the ADF registration motor. See “ADF registration motor removal” on page 4-166. 5. Remove the ADF feed drive motor assembly. See “ADF feed drive motor assembly removal” on page 4-141. 6. Remove the actuator/media guide assembly. See “Actuator/media guide assembly removal” on page 4-159. 7. Remove the E-clip securing the manual feed drive wheel (A). 8. Remove the manual feed drive wheel (A). 9. Remove the manual feed drive belt (B). 10. Remove the E-clip securing the bushing 8 mm (C). 11. Remove the bushing 8 mm (C). 12. Remove the E-clip securing the transport roll drive gear 20T (D). 13. Remove the transport roll drive gear 20T (D). 14. Remove the bushing 8 mm (E). 15. Move the ADF transport roll assembly (F) rearward and upward. 16. Remove the ADF transport roll assembly (F). Warning: Do not touch the rubber surface of the ADF transport roll assembly (F). Sensor (document set) removal 1. Open the ADF left cover assembly. 2. Lift the document tray assembly. 3. Remove the ADF rear cover. See “ADF rear cover removal” on page 4-138. 4. Disconnect the connector from the sensor (document set) (A). 5. Release the hooks securing the sensor (document set) (A). F EDE-clip ABC E-clip Front
Repair information4-165 7510 Go Back Previous Next 6. Remove the sensor (document set) (A). Sensor (sheet through) removal 1. Open the ADF left cover assembly. 2. Lift the document tray assembly. 3. Remove the ADF rear cover. See “ADF rear cover removal” on page 4-138. 4. Disconnect the connector from the sensor (sheet through) (A). 5. Release the hooks securing the sensor (sheet through) (A). 6. Remove the sensor (sheet through) (A). AConnector Rear A RearConnector
4-166Service Manual 7510 Go Back Previous Next ADF registration motor removal 1. Open the ADF left cover assembly. 2. Lift the document tray assembly. 3. Remove the ADF rear cover. See “ADF rear cover removal” on page 4-138. 4. Remove the access cap (A). 5. Disconnect the connector from the ADF registration motor (A). 6. Remove the tension spring (B) from the ADF registration motor (A). 7. Remove the two screws securing the ADF registration motor (A). 8. Remove the registration main drive belt (C). Replacement note: Before reinstalling the ADF registration motor (A), place the registration main drive belt (C) on the registration main drive pulley 21/54T (D). Replacement note: Ensure that the registration main drive belt (C) is properly routed.To correctly set the registration main drive belt (C) tension, install the ADF registration motor (A) and the tension spring (B) before completely tightening the two screws. AB C Rear ConnectorD
Repair information4-167 7510 Go Back Previous Next Sensor (document tray width 1) removal 1. Open the ADF left cover assembly. 2. Lift the document tray assembly. 3. Remove the five screws securing the cover (A). 4. Remove the cover (A). 5. Remove the two screws securing the bracket (B). 6. Remove the bracket (B). 7. Remove the connector from the sensor (document tray width 1) (C). 8. Release the hooks securing the sensor (document tray width 1) (C). 9. Remove the sensor (document tray width 1) (C). Note: The sensor (document tray width 1), sensor (document tray width 2), or the sensor (document tray width 3) are all identical. A B C
4-168Service Manual 7510 Go Back Previous Next Sensor (document tray width 2) removal 1. Open the ADF left cover assembly. 2. Lift the document tray assembly. 3. Remove the five screws securing the cover (A). 4. Remove the cover (A). 5. Remove the two screws securing the bracket (B). 6. Remove the bracket (B). 7. Remove the connector from the sensor (document tray width 2) (C). 8. Release the hooks securing the sensor (document tray width 2) (C). 9. Remove the sensor (document tray width 2) (C). Note: The sensor (document tray width 1), sensor (document tray width 2), or the sensor (document tray width 3) are all identical. A B C