Lexmark C 950 Service Manual

							Repair information 4-277
  5058-030
Go Back Previous
Next
6.Move the lower pinch guide assembly to the right.
7.Position the buffer diverter gate (B) using your finger to its upper-most position.
8.Use a prying tool to remove the e-clip securing the buffer roll assembly (C) to the front of the finisher.
9.Remove the 6 mm bushing (D).
10.Remove the finisher diverter gate solenoid. See “Finisher diverter gate solenoid removal” on 
page 4-279.
11.Loosen the two screws securing the belt tensioner bracket (E) to the finisher and move it downward, as 
shown.
Front
AB
FrontE-clip
DC
B 
						

							4-278  Service Manual 5058-030  
Go Back Previous
Next
12.Remove the belt (buffer/transport) (F) from the buffer roll drive gear 46T (G).
13.Use a prying tool to remove the e-clip securing the buffer roll drive gear 23/53T (G).
14.Remove the buffer roll drive gear 53/23T (G).
15.Release the hook of the buffer roll drive gear 46T (H) from the buffer roll assembly (C).
16.Remove the buffer roll drive gear 46T (H).
17.Remove the 6 mm bushing (D).
18.Remove the buffer roll assembly (C) from inside the finisher.
Note:  When removing the buffer roll assembly (C), do not touch the rubber surface.
Replacement notes: 
•Make sure the flat spot on the end of the buffer roll assembly (C) is installed to the rear.
•When replacing the buffer roll assembly, do not touch the rubber surface.
•The tension of the belt (buffer/transport) (F) is automatically adjusted by the force of the spring attached to 
the belt tensioner bracket (E).
•Tighten the two screws in the order shown.
E
First SecondE
F
G
HDC
E-clip
FrontC 
						

							Repair information 4-279
  5058-030
Go Back Previous
Next
Finisher 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.Open the lower pinch guide assembly (A) to the right.
4.Open the upper pinch guide assembly (B) to the right.
5.Remove the finisher diverter gate solenoid. See “Finisher diverter gate solenoid removal” on 
page 4-279.
6.Remove the link (C).
7.Move the finisher diverter gate (D) toward the rear, to the right, and forward, as shown.
8.Remove the finisher diverter gate (D).
Finisher diverter gate solenoid removal
1.Open the finisher front door assembly.
2.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
3.Disconnect the connector from the finisher diverter gate solenoid (A).
4.Release the harness from the clamp.
5.Remove the two screws securing the bracket (B) to the finisher.
Note:  The bracket should not be removed from the finisher, it should be gently moved to provide better 
access to the finisher diverter gate solenoid mounting screws.
6.Remove the two screws securing the finisher diverter gate solenoid (A) to the finisher.
DFrontA
Rear B
CD 
						

							4-280  Service Manual 5058-030  
Go Back Previous
Next
7.Remove the finisher diverter gate solenoid (A).
Note:  The link (C) may remain inserted into the finisher.
8.Remove the link.
Note:  When the link is removed, the finisher diverter gate may become detached. See “Finisher diverter 
gate removal” on page 4-279.
Finisher front door assembly removal
1.Open the finisher front door assembly (A).
2.Remove the three screws securing the finisher front door assembly.
)
AC B
Clamp
C
Clamp Connector 
						

							Repair information 4-281
  5058-030
Go Back Previous
Next
3.Remove the finisher front door assembly.
Reinstallation note:  Make sure the actuator molded in the finisher front door assembly properly engages the 
switch (finisher front door interlock) (B). The two magnetic catches (C) should properly engage the finisher.
Finisher left carriage belt assembly removal
1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-313.
2.Remove the finisher front door assembly. See “Finisher front door assembly removal” on page 4-280.
3.Move the slip clutch gear 24T (A) toward the rear to disengage the stacker bin (B).
A
C
C
BBActuator 
						

							4-282  Service Manual 5058-030  
Go Back Previous
Next
4.Move the stacker bin (B) down to its lowest position after being disengaged.
Note:  Make sure the stacker bin is at its lowest position before continuing.
5.Remove the two screws securing the bin bracket (C) to the left carriage bracket (D).
6.Remove the spring (E) from the left carriage lift assembly.
7.Remove the screw securing the upper belt clamp (F) to the left carriage bracket (D).
8.Remove the upper belt clamp (F).
9.Remove the left carriage bracket with the finisher left carriage belt assembly (G) from the finisher.
10.Release the hook securing the finisher left carriage belt assembly (G) to the lower belt clamp (H).
11.Remove the finisher left carriage belt assembly (G).
Rear A
B 
						

							Repair information 4-283
  5058-030
Go Back Previous
Next
Reinstallation notes:
•Make sure the finisher left carriage belt assembly (G) is inserted into the upper belt clamp (F) as shown.
•Make sure the bin bracket (C) is level to prevent binding.
Finisher LVPS PCBA removal
1.Remove the right lower cover. See “Upper media bin front cover removal” on page 4-357.
2.Disconnect all the connectors from the finisher LVPS PCBA (A).
FrontG
F
EDC
H 
						

							4-284  Service Manual 5058-030  
Go Back Previous
Next
3.Remove the two screws securing the finisher LVPS PCBA (A) to the finisher.
4.Remove the finisher LVPS PCBA (A).
Finisher media entrance roll assembly 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 left upper cover. See “Left upper cover removal” on page 4-293.
4.Remove the punch waste box (A) from the finisher.
5.Remove the screw securing the cover (B) to the media entrance pinch guide assembly.
6.Remove the cover (B).
7.Lift the media entrance pinch guide assembly (C).
8.Loosen the two screws securing the belt tensioner bracket (D) to the finisher and move it upward in the 
direction of the arrow.
9.Remove the belt (entrance/paddle) (E) from the entrance drive pulley 20T (F).
10.Release the hook securing the entrance drive gear 23T (G) to the media entrance roll assembly (H).
11.Remove the entrance drive gear 23T (G).
RearA
First SecondD E
D
C
B
AFront 
						

							Repair information 4-285
  5058-030
Go Back Previous
Next
12.Remove the entrance drive pulley 20T (F).
13.Remove the bushing (I).
14.Remove the e-clip securing the media entrance roll assembly (H) to the front of the finisher.
15.Remove the bushing (J).
16.Move the media entrance roll assembly (H) toward the rear, downward, and then forward.
17.Remove the media entrance roll assembly (H) through the inside of the finisher.
Note:  When removing the media entrance roll assembly (H), do not touch the rubber surface.
Reinstallation notes:
•Make sure the flat spot on the media entrance roll assembly (H) is installed to the rear.
•When replacing the media entrance roll assembly (H), do not touch the rubber surface.
•The tension of the belt (entrance/paddle) (E) is automatically adjusted to the force of the spring attached to 
the belt tensioner bracket (D).
•Tighten the two screws in the order shown.
Finisher PCBA 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) to the finisher.
GFI
H
Rear
H
J
E-clip
Front 
						

							4-286  Service Manual 5058-030  
Go Back Previous
Next
4.Move the plate (A) to the right and outward.
5.Remove the plate (A).
6.Disconnect the connectors from the finisher PCBA (B).
7.Remove the six screws securing the finisher PCBA (B).
8.Remove the finisher PCBA (B).
ARear
RearB
P8304P8308
P8389
P8306
P8307
P8300
P8301
P8310
P8316 P8314
P8313P8315 P8317
P8311 P8302 P8305 P8309