Lexmark C 950 Service Manual

Repair information 4-157
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8.Disconnect the cable from the sensor (printer left duplex door interlock).
9.Release the four tabs securing the sensor (printer left duplex door interlock) to the bracket.
10.Remove the sensor (printer left duplex door interlock) from the bracket.
Sensor (printer left front door interlock) removal
1.Remove the printer front door. See “Printer front door removal” on page 4-10.
2.Remove the transfer belt cleaner. See “Transfer belt cleaner...

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9.Using a flat-blade screwdriver, release the two latches (A) securing the sensor (printer left front door 
interlock).
10.Pull out the sensor (printer left front door interlock) (B), and disconnect the sensor cable.
A
B 

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11.Remove the sensor (printer left front door interlock).
Sensor (printer right front door interlock) removal
1.Remove the printer right side cover. See “Printer right cover removal” on page 4-11.
2.Remove the LVPS subfan guide. See “LVPS front fan guide removal” on page 4-108.
3.Remove the LVPS. See “LVPS PCBA removal” on page 4-109.
4.Disconnect the cable (A) from the sensor (printer right front door interlock).  

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5.Release the four tabs (B) securing the sensor (printer right front door interlock) to the machine. 
6.Remove the sensor (printer right front door interlock).
Sensor (tray 1 pre-feed) removal
1.Remove the feeder slide guide. See “Feeder slide guide removal” on page 4-74.
2.Release the hook (A) securing the sensor (printer tray 1 prefeed) to the assembly. 

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3.Remove the sensor (printer tray 1 prefeed).
4.Disconnect the cable (B).
Sub LVPS PCBA removal
1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-16.
2.Disconnect the input option cable (A). 

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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. 

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6.Disconnect the four cables (D).
7.Remove the three screws (E) securing the sub LVPS PCBA to the machine.
8.Remove the sub LVPS PCBA. 

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Suction fan removal
1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-16.
2.Disconnect the input option cable (A).
3.Remove the eight screws (B) securing the PCBA door to the machine. 

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4.Release the two clamps (C) to release the harness.
5.Swing the PCBA door open.
6.Disconnect the cable (D) from the suction fan.
7.Remove the two screws (E) securing the suction fan to the machine.
8.Remove the suction fan. 

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Suction filter removal
1.Open the printer left duplex door. 
2.Remove the suction filter.
Toner dispense motor removal
1.Remove the operator panel left cover. 
2.Remove the operator panel right cover. 
3.Remove the operator panel front cover. 
4.Remove the top cover. See “Printer top cover removal” on page 4-12.
5.Remove the printer front door. See “Printer front door removal” on page 4-10.
6.Remove the transfer belt cleaner. See “Transfer belt...