Lexmark X 850 Owners Manual
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Repair information4-283 7500-XXX Duplex drive gear 28 tooth 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
4-284MFP 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 information4-285 7500-XXX 8.Disconnect the connector of the harness from duplex drive motor assembly (D) to the duplex main cable assembly. 9.Release the harness from the clamps of the duplex unit assembly. 10.Remove the three screws securing the bracket (E) to the duplex unit assembly. 11.Remove the bracket (E). 12.Remove the two duplex drive gears 33/74T (G). 13.Release the hooks securing the three duplex drive gears 28T (F) to the duplex unit assembly. 14.Remove the three duplex drive gears 28T (F). E Rear F F Hook F G G ClampsDConnector
4-286MFP Service Manual 7500-XXX Duplex drive gear 33 / 74 tooth 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 information4-287 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
4-288MFP Service Manual 7500-XXX 8.Disconnect the connector of the harness from duplex drive motor assembly (D) to the duplex main cable assembly. 9.Release the harness from the clamps of the duplex unit assembly. 10.Remove the three screws securing the bracket (E) to the duplex unit assembly. 11.Remove the bracket (E). 12.Remove the two duplex drive gears 33/74T (F). ClampsD Rear E Rear F FConnector
Repair information4-289 7500-XXX Duplex drive gear 33 tooth 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
4-290MFP 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 information4-291 7500-XXX 8.Disconnect the connector of the harness from the duplex drive motor assembly (D) to the duplex main cable assembly. 9.Release the harness from the clamps of the duplex unit assembly. 10.Remove the three screws securing the bracket (E) to the duplex unit assembly. 11.Remove the bracket (E). 12.Remove the two duplex drive gears 33T (F). FD E Rear Clamps FConnector
4-292MFP Service Manual 7500-XXX Duplex drive gear 42 tooth 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