Lexmark C 950 Service Manual

							Repair information 4-77
  5058-030
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15.Remove the front left cooling fan.
Front right cooling fan 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 removal” on page 4-175.
3.Remove the waste toner box.
4.Remove the four photoconductor units.
5.Remove the four toner supplies.
6.Remove the operator panel front cover. 
7.Remove the printhead retract door. See “Printhead retract door removal” on page 4-142.
8.Remove the inner cover. See “Inner cover removal” on page 4-3.
9.Remove the ATC sensor PCB bracket. See “ATC sensor PCB bracket removal” on page 4-25. 
						

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10.Remove the screw (A) from the cooling fan.
11.Pull the fan away from the machine, and disconnect the cable (B).
A
B 
						

							Repair information 4-79
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12.Ease the cable off the fan, and release the clamp (C) connecting the fan to the machine.
13.Remove the front right cooling fan.
Front upper cooling fan 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 removal” on page 4-175.
3.Remove the waste toner box.
4.Remove the four photoconductor units.
5.Remove the four toner supplies.
6.Remove the operator panel front cover. 
7.Remove the printhead retract door. See “Printhead retract door removal” on page 4-142.
8.Remove the inner cover. See “Inner cover removal” on page 4-3.
C 
						

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9.Remove the inner plate. See “Inner plate removal” on page 4-95.
10.Disconnect the cable (A).
11.Remove the screw (B) from the front upper cooling fan.
12.Slide the front upper cooling fan out of the machine and remove. 
AB 
						

							Repair information 4-81
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Fuser assembly removal
This removal procedure applies to the100V, 110V, and 220V fuser assemblies.
1.Open the printer left duplex door assembly.
2.Remove the two thumbscrews (A).
3.Use the handles (B) to pull the fuser assembly out of the machine.
Fuser cooling fan 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.
6.Disconnect the cable (D) from the fuser cooling fan. 
						

							Repair information 4-83
  5058-030
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7.Release the two latches (E).
8.Remove the fuser cooling fan.
Replacement warning: When replacing the fuser cooling fan, make sure the fan is properly installed so that air 
flow is directed away from the machine.  
						

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Fuser driver PCBA cooling 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. 
						

							Repair information 4-85
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4.Release the two clamps (C) to release the harness.
5.Swing the PCBA door open. 
6.Disconnect the four connections (A). 
7.Release the harness from the clamps (B).
8.Remove the two screws (C) securing the duct to the machine. 
						

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9.Remove the duct from the machine.
10.Release the two hooks.