Lexmark C 950 Service Manual

							Repair information 4-337
  5058-030
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6.Remove the metal cover (A).
7.Disconnect the connector from the sensor (stacker bin upper limit) (B) or the sensor (stacker bin no 
media)
 (C).
8.Release the hooks of the selected sensor.
A
Right 
						

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9.Remove the sensor.
Reinstallation note:  Make sure that the yellow connector is plugged into the sensor (stacker bin no media) (C).
Sensor (stapler carriage HP) removal
1.Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-280.
2.Remove the staple cartridge.
3.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
4.Remove the rear lower cover. See “Upper media bin front cover removal” on page 4-357.
5.Remove the stapler unit frame. See “Stapler unit frame removal” on page 4-346.
6.Remove the stapler unit assembly. See “Stapler unit assembly removal” on page 4-344.
C B
Rear
Yellow connector
B White connector
C 
						

							Repair information 4-339
  5058-030
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7.Release the hooks securing the sensor (stapler carriage HP) (A) to the stapler carriage assembly (B).
8.Remove the sensor (stapler carriage HP) (A).
Sensor (upper media bin full) removal
1.Open the finisher front door assembly.
2.Remove the screw securing the bracket (A) to the upper media bin vertical cover (B).
3.Move the bracket frontward and downward to gain access to the harness and connector.
4.Release the harness from the clamp.
A
B 
						

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5.Move the bracket (B) frontward again, and remove the screw securing the sensor (upper media bin full) (C) 
to the bracket.
6.Remove the sensor (upper media bin full) (C).
7.Disconnect the connector from the sensor (upper media bin full) (C).
Sensor (upper media exit) 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.
Front
C Harness clamp
A
Front
B
A 
						

							Repair information 4-341
  5058-030
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5.Disconnect the connector from the sensor (upper media exit) (A).
6.Release the hooks securing the sensor (upper media exit) (A) to the finisher.
7.Remove the sensor (upper media exit) (A).
Stacker bin lift motor assembly removal
1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
2.Remove the rear lower cover. See “Upper media bin front cover removal” on page 4-357.
3.Loosen the four screws securing the plate (A).
4.Move the plate (A) toward the right as shown.
Rear
LeftA
Connector
ARear 
						

							4-342  Service Manual 5058-030  
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5.Remove the plate (A).
6.Move the slip clutch gear 24T (B) toward the rear to disengage the stacker bin (C).
7.Move the stacker bin (C) to the lowest position.
Note:  Make sure the stacker bin (C) is at the lowest position before continuing.
8.Disconnect the connector from the sensor (stacker bin level encoder) (D).
9.Release the harness from the clamps.
10.Disconnect the connector (P8305) from the finisher controller card assembly (E).
11.Remove the screw securing the bracket (F) to the stacker bin lift motor assembly (G).
CB
Rear
Clamp
ClampD
P8305
E 
						

							Repair information 4-343
  5058-030
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12.Remove the bracket (F).
13.Release the hook securing the encoder (H) to the stacker bin lift motor assembly (G).
14.Remove the encoder.
15.Remove the three screws securing the stacker bin lift motor assembly (G) to the finisher.
16.Remove the stacker bin lift motor assembly (G).
GF
ClampConnector
G
H 
						

							4-344  Service Manual 5058-030  
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Stacker media bin assembly removal
1.Release the two hooks securing the stacker media bin assembly (A) to the finisher.
2.Lift the stacker media bin assembly (A) upward.
3.Remove the stacker media bin assembly. (A).
Stapler unit assembly removal
1.Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-280.
2.Remove the staple cartridge.
3.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
4.Remove the rear lower cover. See “Upper media bin front cover removal” on page 4-357.
5.Remove the stapler unit frame. See “Stapler unit frame removal” on page 4-346.
A 
						

							Repair information 4-345
  5058-030
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6.Remove the five screws securing the stapler unit frame (A) to the plate (B).
7.Remove the stapler unit frame (A).
8.Release the harness from the three clamps on the stapler unit frame (A).
9.Remove the two screws securing the stapler carriage motor assembly (C) to the stapler carriage 
assembly
 (D).
10.Remove the stapler carriage motor assembly (C).
11.Remove the screw securing the stapler cover (E) to the stapler unit assembly (F).
12.Remove the stapler cover (E).
13.Disconnect the two connectors from the stapler unit assembly (F).
14.Disconnect the connector from the sensor (stapler carriage HP) (G).
15.Remove the two screws securing the bracket (H) to the stapler carriage assembly (D).
16.Remove the bracket (H).
AB
C
Clamp 
						

							4-346  Service Manual 5058-030  
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17.Remove the two screws securing the bracket (H) to the stapler unit assembly (F).
18.Remove the stapler unit assembly (F).
Reinstallation notes:
•When replacing the stapler unit assembly (F), make sure the ground wire is reconnected.
•Make sure the stapler carriage assembly (D) and the stapler carriage motor assembly (C) move freely 
without binding.
Stapler unit frame removal
1.Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-280.
2.Remove the staple cartridge.
3.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
4.Remove the rear lower cover. See “Upper media bin front cover removal” on page 4-357.
5.Loosen the four screws securing the plate (A) to the finisher.
F
H
D
Ground wire G E
*1
*2 *1
*2
Connectors