Lexmark C 950 Service Manual

							Repair information 4-317
  5058-030
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4.Remove the screw securing the sensor (booklet front tamper HP) bracket from the booklet unit assembly.
5.Remove sensor (booklet front tamper HP) (A).
Sensor (booklet knife folding) removal 
1.Remove the booklet unit assembly. See “Booklet unit chassis removal” on page 4-267.
1.Remove the Complete booklet unit assembly left cover. See “Booklet unit assembly left cover removal” 
on page 4-266.
2.Rotate knife sector gear clockwise until the flag is in the folding sensor position.
3.Remove one screw securing the sensor (knife HP sensor & knife folding sensor) from the knife frame 
assembly. 
4.Disconnect the connector from the sensor (booklet knife folding) (A).
A
Left
Connector 
						

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5.Remove sensor (booklet knife folding) (A). 
Sensor (booklet knife HP) removal 
1.Remove the booklet unit assembly. See “Booklet unit chassis removal” on page 4-267.
2.Remove the booklet unit assembly left cover. See “Booklet unit assembly left cover removal” on 
page 4-266.
3.Rotate knife sector gear clockwise until the flag is in the folding sensor position.
4.Remove one screw securing the sensor (knife HP sensor & Knife folding sensor) from the knife frame 
assembly. 
Connector
A
Left 
						

							Repair information 4-319
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5.Disconnect the connector from the sensor (booklet knife HP and booklet knife folding).
6.Remove sensor (booklet knife HP) (A).
Sensor (booklet media entrance) removal 
1.Remove the booklet unit chassis. See “Booklet unit chassis removal” on page 4-267.
2.Disconnect the connectors from the sensor (booklet media entrace) (A).
3.Remove the screw securing the sensor (booklet media entrace) bracket from the pinch roll frame.
4.Remove the screw securing the sensor (booklet media entrace) (A) from the bracket.
5.Remove sensor (booklet media entrace) (A). 
Connector
A
Left
Connector
A
Right 
						

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Sensor (booklet rear tamper HP) removal
1.Remove the booklet unit assembly. See “Booklet unit chassis removal” on page 4-267.
2.Remove the booklet unit assembly left cover. See “Booklet unit assembly left cover removal” on 
page 4-266.
3.Disconnect the connector from the booklet left tamper sensor.
4.Remove the screw securing the sensor (booklet rear tamper HP) bracket from the booklet unit assembly.
5.Remove sensor (booklet rear tamper HP) (A).
Sensor (booklet unit interlock) removal
1.Open the finisher front door assembly.
2.Pull the booklet unit assembly out of the finisher.
3.Remove rear lower cover. See “Upper media bin front cover removal” on page 4-357.
A
Connector
Left 
						

							Repair information 4-321
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4.Disconnect the connector from the sensor (booklet unit interlock).
5.Remove sensor (booklet unit interlock) (A). 
Sensor (booklet unit media exit) removal 
1.Remove the booklet unit assembly. See “Booklet unit chassis removal” on page 4-267.
2.Remove the booklet unit assembly left cover. See “Booklet unit assembly left cover removal” on 
page 4-266.
3.Remove the screw securing the Sensor (booklet unit media exit) bracket from the booklet unit assembly.
4.Disconnect the connector from the Sensor (booklet unit media exit) (A).
5.Remove the screw securing the Sensor (booklet unit media exit) (A) from the bracket.
ConnectorA
Rear 
						

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6.Remove Sensor (booklet unit media exit) (A).
Sensor (buffer path) 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 removal” on page 4-355.
5.Remove the left lower cover. See “Left lower cover removal” on page 4-292.
6.Remove the left upper cover. See “Left upper cover removal” on page 4-293.
7.Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-308.
8.Disconnect the connector from the sensor (buffer path) (A).
9.Remove the screw securing the bracket (B) to the finisher.
10.Remove the bracket (B).
11.Release the hooks securing the sensor (buffer path) (A) to the bracket (B).
12.Remove the sensor (buffer path) (A).
Connector
A
Right
A
B
LeftConnector 
						

							Repair information 4-323
  5058-030
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Sensor (compiler media present) removal
1.Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-280.
2.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
3.Remove the rear lower cover. See “Upper media bin front cover removal” on page 4-357.
4.Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-356.
5.Remove the upper media bin vertical cover. See “Right eject cover removal” on page 4-314.
6.Remove the stapler unit frame. See “Stapler unit frame removal” on page 4-346.
7.Remove the clamp drive motor. See“Clamp drive motor removal” on page 4-272.
8.Remove the media eject unit assembly. See “Media eject unit assembly removal” on page 4-303.
9.Remove the media eject motor assembly. See “Media eject motor assembly removal” on page 4-302.
10.Remove the media compiler unit assembly. See “Media compiler unit assembly removal” on 
page 4-298. 
11.Disconnect the connector from the sensor (compiler media present) (A). 
12.Release the hooks securing the sensor (compiler media present) (A) to the compiler unit assembly (B).
13.Move the compiler media present actuator (C) downward as shown.
14.Remove the sensor (compiler media present) (A).
Sensor (diverter gate) 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 removal” on page 4-355.
5.Remove the left lower cover. See “Left lower cover removal” on page 4-292.
6.Remove the left upper cover. See “Left upper cover removal” on page 4-293.
7.Remove the punch carriage assembly. See “Punch carriage assembly removal” on page 4-308.
B
A
B
C
Connector 
						

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8.Remove the two screws securing the bracket (A) to the finisher.
9.Remove the bracket (A).
10.Disconnect the connector from the sensor (diverter gate) (B).
11.Remove the screw securing the sensor (diverter gate) (B) to the bracket (A).
12.Remove the sensor (diverter gate) (B).
Sensor (finisher media entrance) removal
1.Open the 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 removal” on page 4-355.
5.Remove the left lower cover. See “Left lower cover removal” on page 4-292.
6.Remove the left upper cover. See “Left upper cover removal” on page 4-293.
7.Disconnect the connector from the sensor (finisher media entrance) (A).
B
Left
A
Connector 
						

							Repair information 4-325
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8.Release the harness from the clamp.
9.Remove the screw securing the bracket (B) to the media entrance pinch guide assembly (C).
10.Release the hooks securing the sensor (finisher media entrance) (A) to the bracket (B).
11.Remove the sensor (finisher media entrance) (A).
Sensor (front tamper HP) and sensor (rear tamper HP) removals
1.Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-280.
2.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
3.Remove the rear lower cover. See “Upper media bin front cover removal” on page 4-357.
4.Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-356.
5.Remove the upper media bin vertical cover. See “Right eject cover removal” on page 4-314.
6.Remove the stapler unit frame. See “Stapler unit frame removal” on page 4-346.
7.Remove the media eject clamp motor assembly. See “Clamp drive motor removal” on page 4-272. 
8.Remove the media eject unit assembly. See “Media eject unit assembly removal” on page 4-303. 
9.Remove the media eject motor assembly. See “Media eject motor assembly removal” on page 4-302.
10.Remove the media compiler unit assembly. See “Media compiler unit assembly removal” on 
page 4-298.
11.Disconnect the connector from the sensor (front tamper HP) (A) or the sensor (rear tamper HP) (B).
12.Release the hooks securing the sensor (front tamper HP) (A) or the sensor (rear tamper HP) (B) from the 
media compiler unit assembly (C).
A
B
C
LeftClamp Connector 
						

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13.Remove the sensor(s).
Note:  The sensors are identical.
Sensor (lower media exit) removal
1.Open the finisher front door assembly.
2.Remove the upper media bin assembly. See “Upper media bin assembly removal” on page 4-356.
3.Disconnect the connector from the sensor (lower media exit) (A).
4.Remove the harness from the clamps.
C
A B
C
A
Connector