Lexmark X 850 Owners Manual
Have a look at the manual Lexmark X 850 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 information4-33 7500-XXX Media feed lift motor removal 1.Remove the media feed unit. See “Media feed unit assembly 1 removal” on page 4-20 or “Media feed unit assembly 2 removal” on page 4-23. 2.Disconnect the harness from the media feed lift motor (A). 3.Remove the two screws securing the media feed lift motor (A) to the media feed unit assembly (B). 4.Remove the media feed lift motor (A). AB Connector Rear
4-34MFP Service Manual 7500-XXX Tray lift coupling assembly removal 1.Remove the MPF rear cover. See “MPF rear cover removal” on page 4-58. 2.Remove the MPF feed unit assembly. See “MPF feed unit assembly removal” on page 4-54. 3.Remove the printer left door. See “Printer left door assembly removal” on page 4-75. 4.Remove the vertical drive gear assembly. See “Vertical drive gear assembly removal” on page 4-67. 5.Remove the media feed unit assembly. See “Media feed unit assembly 1 removal” on page 4-20 or “Media feed unit assembly 2 removal” on page 4-23. 6.Remove the harness from bracket (A). 7.Remove three screws securing bracket (A) to the media feed unit. 8.Remove bracket (A). Note: The gears may become detached from bracket (A). 9.Remove the e-ring with a prying tool securing the tray lift coupling (B) to bracket (A). 10.Remove the tray lift coupling gear 31 tooth (C). 11.Remove the spring (D). Note: Before reinstalling, ensure all gears and washers attached to bracket (A) are securely installed. Clamp A RearE-ring Washer DCB
Repair information4-35 7500-XXX Tray lift one way clutch / gear assembly removal 1.Remove the media feed unit assembly. Go to“Media feed unit assembly 1 removal” on page 4-20 or “Media feed unit assembly 2 removal” on page 4-23. 2.Remove the harness from the bracket (A). 3.Remove the three screws securing the bracket (A) to the media feed unit assembly. 4.Remove the bracket (A). Note: The gears may become detached from the bracket (A). 5.Remove the tray lift one-way clutch (B). Harness Washer Clamp A RearB
4-36MFP Service Manual 7500-XXX 6.Remove the tray lift one-way gear 24 tooth (C). Note: Before reinstalling, ensure all gears and washers are securely attached to the bracket (A). Harness A RearC Washer
Repair information4-37 7500-XXX Media feed unit drive gear - 13 tooth removal 1.Remove the appropriate media feed unit assembly. See “Media feed unit assembly 1 removal” on page 4-20 or “Media feed unit assembly 2 removal” on page 4-23. 2.Remove the harness from the bracket (A). 3.Remove the three screws securing the bracket (A) to the media feed unit assembly. 4.Remove the bracket (A). Note: Gears may become detached from the bracket (A). 5.Remove the tray lift one-way clutch. See “Tray lift one way clutch / gear assembly removal” on page 4-35. 6.Remove the tray lift one-way gear 24 tooth. See “Tray lift one way clutch / gear assembly removal” on page 4-35. 7.Remove the media feed unit drive gear - 13 tooth (B). Note: Before reinstalling, ensure all gears and washers are securely attached to the bracket (A). Harness Clamp A Rear Washer
4-38MFP Service Manual 7500-XXX Media out actuator removal 1.Remove the appropriate media feed unit assembly. See “Media feed unit assembly 1 removal” on page 4-20 or “Media feed unit assembly 2 removal” on page 4-23. 2.Remove the two bosses on the media out actuator (A) to the media feed unit assembly. 3.Remove the media out actuator (A). Front Bosses Lower viewA
Repair information4-39 7500-XXX Sensor (media level) removal 1.Remove the appropriate media feed unit assembly. See “Media feed unit assembly 1 removal” on page 4-20 or “Media feed unit assembly 2 removal” on page 4-23. 2.Disconnect the connector from the sensor (media level) (A). 3.Release the hooks securing the sensor (media level) (A) to the media feed unit. 4.Remove the sensor (media level) (A). Front Harness Hooks Lower viewA
4-40MFP Service Manual 7500-XXX Sensor (media out) removal 1.Remove the appropriate media feed unit assembly. See “Media feed unit assembly 1 removal” on page 4-20 or “Media feed unit assembly 2 removal” on page 4-23. 2.Remove the media out actuator. See “Media out actuator removal” on page 4-38. 3.Disconnect the connector from the sensor (media out) (A). 4.Release the hooks securing the sensor (media out) (A) to the media feed unit. 5.Remove the sensor (media out) (A). Front Harness A Hooks Lower viewHook
Repair information4-41 7500-XXX Sensor (pre-feed) removal 1.Remove the appropriate media feed unit assembly. See “Media feed unit assembly 1 removal” on page 4-20 or “Media feed unit assembly 2 removal” on page 4-23. 2.Release the hook securing the sensor (pre-feed) (A). 3.Remove the sensor (pre-feed) (A) from the feed unit front guide (B). 4.Disconnect the connector from the sensor (pre-feed) (A). 5.Remove the sensor (pre-feed) (A). Front A B Hook
4-42MFP Service Manual 7500-XXX Media feed unit drive gear - 28 / 21 tooth removal 1.Remove the appropriate media feed unit assembly. See “Media feed unit assembly 1 removal” on page 4-20 or “Media feed unit assembly 2 removal” on page 4-23. 2.Remove the harness from the bracket (A). 3.Remove the three screws securing the bracket (A) to the media feed unit assembly. 4.Remove the bracket (A). Note: The gears may become detached from the bracket (A). 5.Remove the media feed unit drive gear - 28 / 21 tooth (B). Note: Before reinstalling, ensure all gears and washers are securely attached to the bracket (A). Washer Clamp Rear A Rear Harness B