Lexmark X 850 Owners Manual
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Repair information4-303 7500-XXX 8.Disconnect the connector of the harness from the duplex motor assembly (D) to the duplex main cable assembly. 9.Release the harness from the clamps of the duplex unit assembly. 10.Remove the two screws securing the duplex drive motor assembly (E) to the duplex unit assembly. 11.Remove the duplex drive motor assembly (E). 12.Remove the duplex drive motor duct (F) from the duplex drive motor assembly (E). 13.Remove the e-clip with a prying tool securing the duplex drive motor fan (G) to the duplex drive motor assembly (E). 14.Remove the duplex drive motor fan (G). ClampsDConnector G Mark E-Ring Screws FELeft
4-304MFP Service Manual 7500-XXX Duplex controller card assembly 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 information4-305 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). B C HookB Left
4-306MFP Service Manual 7500-XXX 8.Disconnect all the connectors to the duplex controller card assembly (D). 9.Remove the two screws securing the duplex controller card assembly (D) to the duplex unit assembly. 10.Remove the duplex controller card assembly (D). ConnectorsD Right
Repair information4-307 7500-XXX Duplex sensor (duplex wait) 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
4-308MFP Service Manual 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). B C HookB Left
Repair information4-309 7500-XXX 8.Disconnect the connector of the harness from the sensor (duplex wait) (D). 9.Release the hooks securing the sensor (duplex wait) (D) to the duplex unit assembly. 10.Remove the sensor (duplex wait) (D). D Hooks Left Connector
4-310MFP Service Manual 7500-XXX Duplex access handle 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 information4-311 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). B C HookB Left
4-312MFP Service Manual 7500-XXX 8.Remove the three screws securing the bracket (E) to the duplex unit assembly. 9.Remove the bracket (E). 10.Remove the spring (F). 11.Rotate the duplex left door handle (G) upward, and move in the direction of the arrow. Note: The metal shaft (H) may become detached. 12.Remove the duplex left door handle (G). 13.Rotate the duplex left door handle latch (I) upward, and move in the direction of the arrow. 14.Remove the duplex left door handle latch (I). Left H E F G 1 2 I Tab Tab