Lexmark C 950 Service Manual

Repair information 4-357
  5058-030
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3.Remove the upper media bin assembly (A).
Upper media bin front cover removal
1.Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-280.
2.Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-356.
3.Remove the two screws securing the upper media bin front cover (A).
4.Remove the upper media bin front cover (A).
Upper media exit pinch roll assembly removal
1.Open the...

4-358  Service Manual 5058-030  
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5.Remove the four screws securing the four upper media exit pinch roll assemblies (A) to the finisher.
6.Remove the four upper media exit pinch roll assembly (A).
Upper media exit roll assembly removal
1.Open the finisher front door assembly.
2.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
3.Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-356.
4.Remove the top cover. See “Top cover...

Repair information 4-359
  5058-030
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10.Remove the two front screws and the two rear screws securing the bracket (C) to the finisher.
11.Remove the bracket (C).
12.Release the hook from the upper media exit roll drive gear 20T(D).
13.Remove the upper media exit roll drive gear 20T.
14.Remove the 6 mm bushing.
15.Use a prying tool to remove the e-clip securing the upper media exit roll assembly (F) to the front of the 
finisher.
16.Remove the 6 mm bushing (E).
Rear
Front
B
C 

4-360  Service Manual 5058-030  
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17.Move the upper media exit roll assembly frontward and outward in the direction of the arrow.
18.Remove the upper media exit roll assembly (F).
Note:  When removing the upper media exit roll assembly (F), do not touch the rubber surface.
Reinstallation notes:
•Maker sure the flat spot of the upper media exit roll assembly (F) is installed to the rear.
•When replacing the upper media exit roll assembly (F), do not touch the rubber surface.
Upper...

Repair information 4-361
  5058-030
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Upper transport roll removal
1.Open the finisher front door assembly.
2.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
3.Remove the top cover. See “Top cover removal” on page 4-355.
4.Remove the left lower cover. See “Left lower cover removal” on page 4-292.
5.Remove the left upper cover. See “Left upper cover removal” on page 4-293.
6.Remove the punch carriage assembly. See “Punch carriage assembly removal” on page...

4-362  Service Manual 5058-030  
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11.Loosen the two screws securing the belt tensioner bracket (F) to the finisher, and move the bracket 
downward as shown.
12.Remove the belt (buffer/transport) (G) from the two upper media transport roll drive pulleys 20T (E).
13.Release the hook securing the appropriate upper media transport roll drive pulley 20T (E) to the 
appropriate upper transport roll (C).
14.Remove the appropriate upper media transport roll drive pulley 20T (E).
15.Remove...

Repair information 4-363
  5058-030
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High capacity feeder (HCF) removals 
HCF caster removal 
1.Remove the HCF unit from the printer.
2.Place the machine so the HCF left cover faces down. 
3.Remove the three screws securing the HCF caster (A) to the unit. 
4.Remove the HCF caster (A). 
HCF controller card PCBA removal 
1.Remove the HCF rear cover. See “HCF rear cover removal” on page 4-375.
2.Disconnect all connectors from the HCF controller card PCBA (A). 
3.Remove the four screws...

4-364  Service Manual 5058-030  
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4.Remove the HCF controller card PCBA (A). 
HCF feed lift gear bracket removal 
1.Remove the HCF media tray assembly from the printer. See “HCF media tray assembly removal” on 
page 4-370.
2.Remove the HCF media feed unit assembly. See “HCF feed unit removal” on page 4-366.
3.Remove the HCF feed lift motor. See “HCF feed lift motor removal” on page 4-364.
4.Remove the three screws securing the HCF feed lift gear bracket (A) to the media feed unit...

Repair information 4-365
  5058-030
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3.Disconnect the connector from the HCF feed lift motor assembly (A). 
4.Remove the four screws securing the HCF feed lift motor (A) to the HCF media feed unit assembly (B). 
5.Remove the HCF media feed lift motor (A). 
HCF feed roll assembly removal 
1.Open the HCF top door. 
2.Open the HCF feed unit assembly. 
3.Push the two ends of the HCF feed roll assembly (A) inward, and move it upward in the direction of the 
arrow to release it from the...

4-366  Service Manual 5058-030  
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HCF feed unit removal 
1.Remove the HCF media tray assembly from the printer. See “HCF media tray assembly removal” on 
page 4-370.
2.Remove the two screws securing the media feed unit assembly (A) on the front side. 
3.Pull the media feed unit assembly (A) out of the machine in the direction of the arrow. 
Note:  More force to remove the media feed unit (A) may be required due to the electrical connector inside 
the machine. 
HCF left cover removal...