Lexmark C 950 Service Manual

							Repair information 4-367
  5058-030
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HCF lift cables removal 
1.Remove the HCF media tray assembly. See “HCF media tray assembly removal” on page 4-370. 
2.Remove the tray lift gear bracket. See “HCF tray lift gear bracket removal” on page 4-385.
3.Remove the HCF media tray front cover. See “HCF media tray front cover removal” on page 4-371.
4.Remove the e-clip securing the bushing (A) to the tray lift shaft assembly (B) at the rear on the right side of 
the HCF media tray. 
5.Move the bushing (A) inward in the direction of the arrow (1) to remove it from the tray. 
6.Move the tray lift shaft assembly (B) outward in the direction of the arrow (2) to remove it from the tray. 
7.Move the tray lift shaft pulley (C) inward in the direction of the arrow (3) to detach the rear cables (D). 
8.Detach the rear cables (D) from the tray lift shaft assembly (B). 
9.Remove the two e-clips securing the small cable pulleys (E) on the top rear of the HCF media tray. 
10.Remove the two small guides (F) and the two small pulleys (E). 
11.Remove the e-clip securing the large pulley (G) to the tray. 
12.Remove the large guide (H) and the large pulley (G). 
13.Remove the two rear cables (D) from the bottom plate (I). 
14.Remove the e-clip securing the bushing (J) to the tray lift shaft assembly (B). 
Rear side
E-clip
(1)
C
B
A(2)
(3)C
F
E
D
H
G
D
II(3)
DB 
						

							4-368  Service Manual 5058-030  
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15.Move the bushing (J) inward in the direction of the arrow (4) to remove it from the tray. 
16.Move the tray lift shaft assembly (B) outward in the direction of the arrow (5) to remove it from the tray. 
17.Move the tray lift shaft pulley (C) inward in the direction of arrow (6) to detach the front cables (K). 
18.Remove the two e-clips securing the small cable pulleys (E) on the top front of the HCF media tray. 
19.Remove the two small guides (F) and the two small pulleys (E). 
20.Remove the e-clip securing the large pulley (G) to the frame assembly. 
21.Remove the large guide (H) and the large pulley (G). 
22.Remove the two front cables (K) from the bottom plate (I). 
Note:  Before re-installing:
–It is recommended that all four cables be replaced together. 
–When fitting the cables (D) and (K), ensure they are not twisted or kinked. 
–Route the cables properly, as shown. 
–Be sure to replace the washer on the front of the tray lift shaft assembly.
HCF media long edge guide assembly removal 
1.Pull out the HCF media tray. 
2.Remove the e-clip securing the media long edge guide assembly (A) to the HCF media tray. 
(6)
(5)
(4)
C
B Washer
JC
K
I
KGHF E 
						

							Repair information 4-369
  5058-030
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3.Lift the media long edge guide assembly (A) upward to release it from the hinges on the HCF media tray. 
4.Remove the media long edge guide assembly (A). 
Note:  With the media long edge guide assembly (A) removed, the wave washer (B) becomes detached. 
HCF media out actuator removal 
1.Open the HCF top door. 
2.Open the HCF feed unit assembly. 
3.Remove the e-clip securing the media out actuator (A) to the HCF media feed unit assembly (B). 
E-clip
B
A 
						

							4-370  Service Manual 5058-030  
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4.Remove the media out actuator (A). 
HCF media tray assembly removal 
1.Pull out the HCF media tray assembly (A) from the unit. 
2.Release the two bearing slides (B) by inserting a prying tool into the two holes while pulling the HCF media 
tray (A) from the frame assembly (B). 
A
BE-clip 
						

							Repair information 4-371
  5058-030
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3.Remove the HCF media tray (A) from the frame assembly. 
Note:  A little force is required to remove the HCF media tray (A) from the unit. 
Note:  Before re-installing the HCF media tray (A), ensure the two bearing slides (B) are properly installed into 
the frame assembly. 
Note:  Extra force is required to re-install the HCF media tray (A) to the unit. 
HCF media tray front cover removal 
1.Pull out the HCF media tray. 
2.Remove the five screws securing the HCF media tray front cover (A) to the HCF media tray. 
B
A
Hole
A
B
Hole 
						

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3.Remove the HCF media tray front cover (A). 
Note:  Ensure that the HCF media tray assembly contains no media when the bottom plate (B) is raised after 
replacing the HCF media tray front cover (A). A series of clicking sounds will be produced during the calibrating 
process of the media level indicator (C).
HCF media tray lift coupling assembly 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.Use a prying tool to remove the e-clip securing the HCF tray lift coupling (D) to the HCF media feed unit 
assembly. 
5.Remove the HCF tray lift coupling (A). 
6.Remove the spring (B). 
7.Remove the HCF tray lift gear - 40 tooth (C). 
C
A B
A B
C
E-clip 
						

							Repair information 4-373
  5058-030
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HCF pick roll assembly removal 
1.Open the HCF top door. 
2.Open the HCF feed unit assembly. 
3.Push the two ends of the HCF pick roll assembly (A) inward, and move it upward in the direction of the 
arrow to release it from the HCF media feed unit assembly (B). 
4.Remove the HCF pick roll assembly (A). 
Note:  When removing the HCF pick roll assembly (A), do not touch the rubber surface. 
Note:  Before re-installing the HCF pick roll assembly (A), do not touch the rubber surface. 
HCF pick roll shaft assembly removal 
1.Open the HCF top door. 
2.Open the HCF feed unit assembly. 
3.Remove the HCF pick roll assembly. See “HCF pick roll assembly removal” on page 4-373. 
4.Use a prying tool to remove the e-clip securing the HCF pick roll shaft assembly (A) to the HCF media feed 
unit assembly (B). 
5.Remove the bushing (C) from the HCF media feed unit assembly (B). 
6.Remove the bearing (D) from the HCF media feed unit assembly (B). 
A
B Front 
						

							4-374  Service Manual 5058-030  
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7.Remove the HCF pick roll shaft assembly (A). 
B
D C
E-ring
A
Front 
						

							Repair information 4-375
  5058-030
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HCF rear cover removal 
1.Remove the four screws securing the HCF rear cover (A) to the unit. 
2.Remove the HCF rear cover (A). 
HCF sensor (HCF media size) removal 
Note:  This procedure can be applied to HCF sensor (media size L) and the HCF sensor (media size R). 
1.Remove the HCF media tray. See “HCF media tray assembly removal” on page 4-370. 
2.Remove the HCF top cover. See “HCF top cover removal” on page 4-381.
3.Remove the HCF rear cover. See “HCF rear cover removal” on page 4-375. 
4.Disconnect the connector from the sensor (HCF media size R) (A) or the sensor (HCF media size L) (B). 
A 
						

							4-376  Service Manual 5058-030  
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5.Release the hooks securing the sensor (HCF media size R) (A) or the sensor (HCF media size L) (B) to the 
unit. 
6.Remove the sensor (HCF media size R) (A) or the sensor (HCF media size L) (B). 
HCF sensor (HCF media tray set) removal 
1.Pull out the HCF media tray. 
2.Remove the HCF left cover. See “HCF left cover removal” on page 4-366.
3.Remove the HCF rear cover. See “HCF rear cover removal” on page 4-375.
4.Disconnect the connector from the sensor (HCF media tray set) (A). 
A
B
Front
Connectors