Canon imageRUNNER ADVANCE C350 series Service Manual page 467

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4
Disassembly/Assembly > Pickup/Feed System > Removing the Registration/Pickup Unit > Procedure after replacement When images with uneven density (white spots) are generated after re
1) Test Print (output of halftone).
Service mode: Select 5 for COPIER > TEST > PG > TYPE.
2) Check if there is no image with uneven density (white spots).
3) Perform the following remedy when images with uneven density (white spots) are
generated when executing the service mode.
● Adjusting the Registration/Pickup Unit
Preparation
1) Remove the Rear Cover 1(Refer to page 4-35).
2) Remove the Right Rear Cover/Right Rear Lower Cover(Refer to page 4-39).
3) Remove the Right Cover Unit(Refer to page 4-35).
4) Remove the Front Cover(Refer to page 4-34).
5) Remove the Right Front Cover(Refer to page 4-38).
6) Remove the Waste Toner Container(Refer to page 4-112).
7) Remove the Registration Drive Unit(Refer to page 4-126).
4
Disassembly/Assembly > Pickup/Feed System > Removing the Registration/Pickup Unit > Procedure after replacement When images with uneven density (white spots) are generated after re
CAUTION:
• Be sure not to touch the surface [A] of the roller when disassembling/assembling.
F-4-422
• If the Registration Roller [1] and the Pre-registration Roller [2] are replaced
separately, not simultaneously, it may generate a difference in feeding speed and
cause feeding problems such as geometrical characteristics and jams.
[A]
[A]
[A]
F-4-423
[2]
[1]
F-4-424
4-160
4-160

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