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 information4-273 7500-XXX 2000-sheet dual input (TTM)–drive motor assembly removal 1.Remove the rear cover. See “2000-sheet dual input (TTM)–rear cover removal” on page 4-212. 2.Disconnect the connector from the 2TM/TTM drive motor (A). 3.Remove two screws securing the 2TM/TTM drive motor (A). 4.Remove the 2TM/TTM drive motor (A). AConnector
4-274MFP Service Manual 7500-XXX 2000-sheet dual input (TTM)–2TM/TTM controller card assembly removal 1.Remove the rear cover. See “2000-sheet dual input (TTM)–rear cover removal” on page 4-212. 2.Disconnect all the connectors from the 2TM/TTM controller card assembly (A). 3.Remove four screws securing the 2TM/TTM controller card assembly (A). 4.Remove the controller card assembly (A). A B 2TM /TTM control card P541 P548P554 P552 P549 DIP switch On 123 4 DIP switch settings, TTM
Repair information4-275 7500-XXX 2000-sheet dual input (TTM)–clutch removal 1.Remove the rear cover. See “2000-sheet dual input (TTM)–rear cover removal” on page 4-212. 2.Disconnect the connector from the machine to the bracket (A). 3.Remove two screws securing the bracket (A) to the frame assembly. 4.Remove the bracket (A). Note: The bushing (B) and washer (C) may become detached from the shaft (D). 5.Remove the e-clip securing the clutch gear - 38 tooth (E) to the shaft (D) using a prying tool, and remove the clutch gear - 38 tooth (E). 6.Disconnect the harness connector to the 2TM/TTM clutch (F) from the bracket (A). 7.Remove the 2TM/TTM clutch (F). Note: Before re-installing: —The notch on the 2TM/TTM clutch (F) must be placed over the boss of the bracket (A), as shown in the figure. ConnectorE-ringEAB FD RearE-ringBC Knotch Boss
4-276MFP Service Manual 7500-XXX —Ensure the harness does not come in contact with the gears. Duplex unit removals Front Right Rear Left
Repair information4-277 7500-XXX Duplex unit assembly removal 1.Pull the option hookup cover (A) outward in the direction of the arrow to remove. 2.Disconnect the connector of the duplex unit assembly harness from the machine. 3.Release the duplex unit assembly harness clamp from the machine. 4.Open the duplex unit assembly. Clamp Connector Rear A Clamp Clamp
4-278MFP Service Manual 7500-XXX 5.Turn the two duplex docking locks (B) on the duplex unit assembly by 90 degrees counterclockwise to release the duplex unit assembly from the machine. 6.Remove the duplex unit assembly. HoleHook HoleFront BRelease HookB
Repair information4-279 7500-XXX Duplex docking locks removal 1.Remove the duplex unit assembly. See “Duplex unit assembly removal” on page 4-277. 2.Open the duplex unit assembly. 3.Turn the two duplex docking locks (A) 45 degrees, and release the hooks with needle nose pliers on the back side securing them to the duplex. 4.Remove the two duplex docking locks (A). A A AA A
4-280MFP Service Manual 7500-XXX Duplex support strap removal 1.Remove the duplex unit assembly. See “Duplex unit assembly removal” on page 4-277. 2.Remove the two screws securing the duplex lower guide (A) to the duplex unit assembly. 3.Remove the duplex lower guide (A). A Right
Repair information4-281 7500-XXX 4.Open the duplex unit assembly. 5.Release the hook of the duplex left door support strap (B) securing the duplex left cover (C) to the duplex unit assembly. 6.Remove the four screws securing the duplex left cover (C) to the duplex unit assembly. 7.Remove the duplex left cover (C). C Left B
4-282MFP Service Manual 7500-XXX 8.Remove the duplex left door support strap (B) from the duplex unit assembly. Left HookB B