Lexmark C 950 Service Manual

							Repair information 4-347
  5058-030
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6.Move the plate (A) toward the right and out in the direction shown.
7.Remove the plate. 
8.Disconnect the connector P8308 from the finisher controller card assembly (B).
9.Remove the screw securing the ground wire (C) to the finisher.
10.Release the harness from the clamp.
11.Remove the media stacker bin lift motor assembly. See “High capacity feeder (HCF) removals” on 
page 4-363.
12.Disconnect the white connector and the yellow connector from the sensor (stacker bin upper limit) and the 
sensor (stacker bin no media).
13.Remove the four screws securing the stapler unit frame (D) to the finisher.
ARear
BRearC
P8308 Clamp 
						

							4-348  Service Manual 5058-030  
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14.Move the stapler unit frame upward and outward in the direction of the arrow, as shown.
15.Remove the stapler unit frame.
Warning:  Do not force the stapler unit frame out of the finisher.
Warning:  Be sure to hold the stapler unit frame firmly to avoid dropping it.
Reinstallation notes:
•Do not force the stapler unit frame into the finisher.
•Be sure to hold the stapler unit frame firmly to avoid dropping it. 
•Maker sure no harnesses are pinched when replacing the stapler unit frame.
•Be sure to replace the grounding wire.
•Ensure that the white connector and the yellow connector are properly replaced.
Stepper motor (buffer/transport) and belt (buffer/transport) removal
1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
2.Remove the two screws securing the bracket (A) on the rear of the finisher.
3.Move the bracket slightly.
Note:  It is not necessary to remove the bracket from the finisher. It should only be slightly moved to 
provide better access to the stepper motor (buffer/transport) (B) for removal.
4.Loosen the two screws securing the belt tensioner bracket (C) to the finisher, and move it down as shown.
RearD Yellow connector White connector
DFront 
						

							Repair information 4-349
  5058-030
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5.Remove the belt (buffer/transport) (D) from the stepper motor (buffer/transport).
6.Disconnect the connector from the stepper motor (buffer/transport).
7.Remove the two screws securing the bracket (E) to the finisher.
8.Remove the bracket.
9.Remove the two screws securing the stepper motor (buffer/transport) to the bracket.
10.Remove the stepper motor (buffer/transport).
11.Remove the belt (buffer/transport) (D).
A
D C
C
Second
First
Connector 
						

							4-350  Service Manual 5058-030  
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Reinstallation notes:
•The tension of the belt (buffer/transport) (D) is automatically adjusted by the force of the spring attached to 
the belt tensioner bracket (C).
•Tighten the two screws in the order shown.
Stepper motor (entrance/paddle) and belt (entrance/paddle) removal
1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
2.Loosen the two screws securing the belt tensioner bracket (A) to the finisher and move upward, as shown.
3.Remove the belt (entrance/paddle) (B) from the stepper motor (entrance/paddle) (C).
E
B
Connector 
						

							Repair information 4-351
  5058-030
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4.Disconnect the connector from the stepper motor (entrance/paddle) (C).
5.Remove the two screws securing the bracket (D) to the finisher.
6.Remove the bracket (D).
7.Remove the two screws securing the bracket (D) to the stepper motor (entrance/paddle) (C).
8.Remove the stepper motor (entrance/paddle) (C).
9.Remove the belt (entrance/paddle) (B).
B
A
Second
FirstAC
D
C
Connector 
						

							4-352  Service Manual 5058-030  
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Reinstallation notes:
•The tension of the belt (entrance/paddle) (B) is automatically adjusted by the force of the spring attached to 
the belt tensioner bracket (A).
•Tighten the two screws in the order shown.
Stepper motor (exit) assembly and belt (exit) removal
1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
2.Loosen the two screws securing the belt tensioner bracket (A) to the finisher, and move it down as shown.
3.Remove the belt (exit) (B) from the stepper motor (exit) (C).
4.Disconnect the connector from the stepper motor (exit).
5.Remove the two screws securing the bracket (D) to the finisher.
6.Remove the bracket (D).
AB
C
A
Rear Second
FirstConnector 
						

							Repair information 4-353
  5058-030
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7.Remove the two screws securing the stepper motor (exit) to the bracket (D).
8.Remove the stepper motor (exit) (C).
Replacement notes: 
•The tension of the belt (exit) (B) is automatically adjusted by the force of the spring attached to the belt 
tensioner bracket (A).
•Tighten the two screws in the order shown.
Sub paddle removal
1.Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-356.
2.Gently remove the two sub paddles (A) from the two shafts (B).
Reinstallation note:  Make sure the sub paddles are properly installed as shown in the figure. The paddles 
must not come in contact with the media eject unit assembly (C).
D
C
Connector
B
CA 
						

							4-354  Service Manual 5058-030  
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Switch (eject cover interlock) removal
1.Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-356.
2.Disconnect the connector from the switch (eject cover interlock) (A).
3.Release the harness from the two clamps.
4.Remove the screw securing the bracket (B) to the finisher.
5.Remove the bracket (B) from the square hole in the finisher.
6.Remove the two screws securing the switch (eject cover interlock) (A) from the bracket (B).
7.Remove the switch (eject cover interlock) (A).
Reinstallation note:  Make sure the media eject unit assembly (C) properly actuates the switch (media eject 
interlock) (A) without binding.
Switch (finisher front door interlock) 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 punch waste box (A).
4.Remove the three screws in the front securing the punch waste chute (B).
5.Gently pull down the punch waste chute (B) to gain better access to the switch (finisher front door 
interlock)
 (C). 
Right
A
B
Clamp
Clamps
Connector
A
C 
						

							Repair information 4-355
  5058-030
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6.Disconnect the connector from the switch (finisher front door interlock) (C).
7.Release the hooks securing the switch (finisher front door interlock) (C) to the finisher.
8.Remove the switch (finisher front door interlock) (C).
Top cover 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.
B
AC Connector 
						

							4-356  Service Manual 5058-030  
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4.Remove the four screws securing the top cover (A) to the finisher.
5.Remove the top cover (A).
Upper media bin assembly removal
1.Loosen the two screws securing the upper media bin assembly (A) to the finisher.
2.Lift the upper media bin assembly (A) upward in the direction of the arrow.
A
A
Right