Lexmark X940e Owners Manual
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Repair information4-39 7510 Go Back Previous Next 9. Remove the printer left door damper (C). Replacement warning: When replacing the printer left door assembly (D), ensure that the black lines are aligned on the damper assembly (C), or the door will not properly operate. Replacement warning: When replacing the printer left door assembly (D), ensure that the duplex media exit turn guide (E) is held in its upper-most position, or the printer left door assembly (D) will not close properly. ABC E-clip C Black line
4-40Service Manual 7510 Go Back Previous Next Sensor (media on belt) removal 1. Open the printer left door assembly. 2. Remove the screw securing the sensor (media on belt) (A) to the machine. 3. Disconnect the connector from the sensor (media on belt) (A). 4. Remove the sensor (media on belt) (A). E D
Repair information4-41 7510 Go Back Previous Next 2nd transfer roll retract cam assembly removal 1. Remove the 2nd transfer roll assembly. See “2nd transfer roll assembly removal” on page 4-45. 2. Remove the two screws securing the registration pinch guide assembly (A) to the machine. 3. Remove the registration pinch guide assembly (A). 4. Remove the screw securing the bracket (B) to the machine. 5. Slide the bracket (B) to remove it from the machine. 6. Move the bracket (B) toward the front of the machine. 7. Detach the bracket (B). 8. Disconnect the connector from the transfer roll retract motor assembly (C). 9. Remove the three screws securing the transfer roll retract cam assembly (D) to the machine. 10. Lift the transfer roll retract cam assembly (D) up. Note: When removing the transfer roll retract cam assembly (D), the bushing (E), pin (F), and washer may become detached. 11. Remove the transfer roll retract cam assembly (D). A
4-42Service Manual 7510 Go Back Previous Next Replacement note: When reinstalling the transfer roll retract cam assembly (D), ensure that the bushing (E), pin (F), and washer are replaced. B Connector C Actuator Connector E-clip D
Repair information4-43 7510 Go Back Previous Next EF
4-44Service Manual 7510 Go Back Previous Next Sensor (2nd transfer roll retract HP) removal 1. Remove the 2nd transfer roll assembly. See “2nd transfer roll assembly removal” on page 4-45. 2. Remove the two screws securing the registration pinch guide assembly (A) to the machine. 3. Remove the registration pinch guide assembly (A). 4. Remove the screw securing the bracket (B) to the machine. 5. Slide the bracket (B) to remove it from the machine. 6. Move the bracket (B) toward the front of the machine. 7. Detach the bracket (B). 8. Disconnect the connector from the sensor (transfer roll retract HP) (C). 9. Release the hooks securing the sensor (transfer roll retract HP) (C) to the bracket (B). 10. Remove the sensor (transfer roll retract HP). A B C Connector
Repair information4-45 7510 Go Back Previous Next 2nd transfer roll retract motor assembly removal 1. Remove the 2nd transfer roll assembly. See “2nd transfer roll assembly removal” on page 4-45. 2. Remove the 2nd transfer roll retract cam assembly. See “2nd transfer roll retract cam assembly removal” on page 4-41. 3. Remove the screw securing the transfer roll retract motor assembly (A) to the 2nd transfer roll retract cam assembly (B). 4. Remove the transfer roll retract motor assembly (A). 2nd transfer roll assembly removal 1. Open the printer left door assembly. 2. Remove the two screws securing the registration pinch guide assembly (A) to the machine. 3. Remove the registration pinch guide assembly (A). 4. Remove the four screws securing the transfer roll assembly (B) to the machine. 5. Gently remove the transfer roll assembly (B). B A A
4-46Service Manual 7510 Go Back Previous Next Warning: When removing the main transfer roll assembly (B), do not touch the roll surface. Replacement warning: When reinstalling the transfer roll assembly (B), do not touch the roll surface. Registration / transport roll assembly removal 1. Remove the rear cover assembly. See “Rear cover assembly removal” on page 4-5. 2. Remove the rear left middle cover. See “Rear left middle cover removal” on page 4-6. 3. Remove the MPF feed unit assembly. See “MPF feed unit assembly removal” on page 4-8. 4. Remove the printer left door assembly. See “Printer left door assembly removal” on page 4-36. 5. Open the printer left lower door assembly. 6. Disconnect the connector from the registration transport roll assembly (A). 7. Remove the two screws securing the registration transport roll assembly (A) to the machine. 8. Remove the registration transport roll assembly (A). B B A Connector
Repair information4-47 7510 Go Back Previous Next Registration clutch removal 1. Remove the rear cover assembly. See “Rear cover assembly removal” on page 4-5. 2. Remove the rear left middle cover. See “Rear left middle cover removal” on page 4-6. 3. Remove the MPF feed unit assembly. See “MPF feed unit assembly removal” on page 4-8. 4. Remove the printer left door assembly. See “Printer left door assembly removal” on page 4-36. 5. Remove the registration transport roll assembly. See “Registration / transport roll assembly removal” on page 4-46. 6. Disconnect the connector from the registration clutch (A). 7. Remove the E-clip securing the registration clutch (A) to the registration transport roll assembly (B). 8. Remove the registration clutch (A). Replacement note: Before reinstalling, ensure that the notch on the registration clutch (A) is placed over the boss on the registration transport roll assembly (B). Sensor (registration) removal 1. Remove the rear cover assembly. See “Rear cover assembly removal” on page 4-5. 2. Remove the rear left middle cover. See “Rear left middle cover removal” on page 4-6. 3. Remove the MPF feed unit assembly. See “MPF feed unit assembly removal” on page 4-8. 4. Remove the printer left door assembly. See “Printer left door assembly removal” on page 4-36. 5. Remove the two screws securing the plate (A) to the registration transport roll assembly (B). 6. Remove the plate (A). 7. Remove the screw securing the sensor (registration) (C) to the registration transport roll assembly (B). 8. Remove the sensor (registration) (C).
4-48Service Manual 7510 Go Back Previous Next 9. Disconnect the connector from the sensor (registration) (C). Sensor (transparency detect) removal 1. Remove the rear cover assembly. See “Rear cover assembly removal” on page 4-5. 2. Remove the rear left middle cover. See “Rear left middle cover removal” on page 4-6. 3. Remove the MPF feed unit assembly. See “MPF feed unit assembly removal” on page 4-8. 4. Remove the printer left door assembly. See “Printer left door assembly removal” on page 4-36. 5. Remove the two screws securing the plate (A) to the registration transport roll assembly (B). 6. Remove the plate (A). 7. Remove the screw securing the sensor (transparency detect) (C) to the registration transport roll assembly (B). 8. Remove the sensor (transparency detect) (C). 9. Disconnect the connector from the sensor (transparency detect) (C).