Lexmark C 950 Service Manual
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Repair information 4-117 5058-030 Go Back Previous Next 4.Release the two clamps (C) to release the harness. 5.Swing the PCBA door open. 6.Remove the four screws (D) securing the main power GFI interface to the machine. 7.Pull the main power GFI interface out of the machine. 8.Disconnect all the cables and remove the main power GFI interface. Warning: Damage may occur if the main power GFI interface is not re-installed correctly. Make sure that all cables are properly reconnected. Use the following photos as a guide when reconnecting the cables:
4-118 Service Manual 5058-030 Go Back Previous Next Main power switch removal 1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-16. 2.Remove the rear lower cover. See “Rear lower cover removal” on page 4-14. 3.Remove the printer right cover. See “Printer right cover removal” on page 4-11. 4.Remove the LVPS front fan guide. See “LVPS front fan guide removal” on page 4-108. 5.Remove the waste toner sensor guide. See “Waste toner sensor guide removal” on page 4-193. 6.Remove the LVPS. See “LVPS PCBA removal” on page 4-109. 7.Remove the printer front door. See “Printer front door removal” on page 4-10. 8.Remove the transfer belt cleaner. See “Transfer belt cleaner removal” on page 4-175. 9.Remove the inner cover. “Inner cover removal” on page 4-3. 10.Remove the two screws (A) securing the main power switch to the machine. 11.Remove the main power switch. Media feed lift motor removal 1.Remove the appropriate feeder unit. See “Printer tray 1 feeder removal” on page 4-141, “Tray module media feeder removal” on page 4-212, “TTM tray 4 media feeder removal” on page 4-225, or “TTM tray 3 feeder removal” on page 4-221. 2.Remove the two screws (A). 3.Disconnect the cable (B).
Repair information 4-119 5058-030 Go Back Previous Next 4.Detach the media feed lift motor.
4-120 Service Manual 5058-030 Go Back Previous Next Media out actuator removal 1.Remove the appropriate feeder unit. See “Printer tray 1 feeder removal” on page 4-141, “Tray module media feeder removal” on page 4-212, “TTM tray 4 media feeder removal” on page 4-225, or “TTM tray 3 feeder removal” on page 4-221. 2.Release the tab (A) securing the media out actuator to the assembly. 3.Remove the media out actuator. Media size switch PCB removal 1.Remove the Media tray 1 from the machine. 2.Remove the screw (A).
Repair information 4-121 5058-030 Go Back Previous Next 3.Disconnect the cable (B). 4.Remove the media size switch PCB. Media transport/MPF drive motor removal 1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-16. 2.Disconnect the input option cable (A).
4-122 Service Manual 5058-030 Go Back Previous Next 3.Remove the eight screws (B) securing the PCBA door to the machine. 4.Release the two clamps (C) to release the harness. 5.Swing the PCBA door open.
Repair information 4-123 5058-030 Go Back Previous Next 6.Disconnect the cable from the media transport/MPF drive motor. 7.Release the clamp securing the harness to the machine. Note: The lower right screw is obscured by the large harness.
4-124 Service Manual 5058-030 Go Back Previous Next 8.Remove the four screws (D) securing the media transport/MPF drive motor to the machine. Warning: When removing the media transport/MPF drive motor, ensure that the plastic bushing does not become damaged. 9.Remove the media transport/MPF drive motor from the machine. Replacement warning: When replacing the media transport/MPF drive motor, ensure that the shaft, gears, and bushing are properly aligned or damage may occur. MPF roller removal 1.Remove the left rear lower cover. See “Left rear lower cover removal” on page 4-6. 2.Remove the MPF tray feeder. See “MPF tray feeder removal” on page 4-125. 3.Remove the MPF top cover. See “MPF top cover removal” on page 4-7. 4.Gently detach the access cover.
Repair information 4-125 5058-030 Go Back Previous Next 5.Press the three latches on each MPF feed roller. 6.Remove the MPF feed rollers. MPF tray feeder removal 1.Remove the left rear lower cover. See “Left rear lower cover removal” on page 4-6. 2.Open the printer left duplex door. 3.Release the harness (A) from the clamps. 4.Close the printer left duplex door. 5.Disconnect the cable (B).
4-126 Service Manual 5058-030 Go Back Previous Next 6.Remove the two screws (C). 7.Remove the MPF tray feeder. Operator panel assembly (SFP) removal 1.Remove the operator panel front cover. See “Operator panel front cover (SFP)” on page 4-8. 2.Remove the screw (A) securing the ground wire to the machine. 3.Remove the two screws (B) securing the operator panel to the machine.