Upper Fixing Roller; Before Removing The Fixing Roller; Removing The Fixing Roller - Canon iR5055 Series Service Manual

1) Remove the pressure roller assembly [1]. Place the removed pressure roll-
er assembly temporarily on the paper.
[1]
2) Remove the pressure roller assembly.
- 2 E-rings at the both end [1]
- 2 bearings [2]
As aged, the rubber surface of the pressure roller may be discolored by heat.
This change, however, will not affect its performance or output images. Fur-
ther, the physical properties of the roller may develop wrinkles on the roller
surface. The wrinkles will be smoothed under heat and not affect the per-
formance, so that the replacement is not required.

9.5.4 Upper Fixing Roller

9.5.4.1 Before Removing the Fixing Roller

iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
1) Detach the duplexing feed front cover. (page 10-14)Reference[Remov-
ing the Duplexing Feed Front Cover]
2) Slide out the fixing/feeding unit. (page 9-19)Reference[Removing the
Fixing/Feeding unit]
3) Detach the fixing front cover. (page 10-16)Reference[Removing the
Fixing Front Cover]
4) Detach the fixing/feeding unit front cover. (page 10-15)Reference[Re-
moving the Fixing/Feeding Unit Front Cover]
5) Detach the fixing/feeding unit middle cover. (page
ence[Removing the Fixing/Feeding Unit Middle Cover]
6) Detach the fixing upper cover. (page 10-15)Reference[Removing the
Fixing Upper Cover]
7) Remove the fixing drive assembly. (page 10-22)Reference[Removing
the Fixing Drive Assembly]
8) Remove the fixing upper unit. (page 9-20)Reference[Removing the Fix-
ing Upper Unit]
9) Remove the fixing web. (page 9-32)Reference[Removing the Fixing
Web]

9.5.4.2 Removing the Fixing Roller

iR5065 / iR 5055 / iR5075 / iR5075N / iR5065N / iR5055N
1) Remove 1 screw [1] and the pin [2]. The screw and pin removed here will
be used in the step 6).
F-9-33
[2]
[1]
F-9-34
10-15)Refer-
[1]
[2]
2) Rotate the shutter drive gear [1] by finger so that the shutter gear [2] ro-
tates until the cut-off [3] of the shutter gear matches the hole in the plate
[4].
3) Fit the pin removed in the step 1) into the hole [2], then fix with 1 screw
[3] in place.
0015-7188
[3]
The pin should be fit back in the initial position after completing the forego-
ing steps and before mounting the fixing upper unit on the machine.
4) Remove 2 screws [2] that fix the AC connector support plate [1].
0015-5047
F-9-35
[4] [2]
[3]
[4] [2] [1]
F-9-36
[1] [2]
F-9-37
Chapter 9
[1]
9-21