Canon imageRUNNER ADVANCE C350 series Service Manual page 384

4
Disassembly/Assembly > Original Exposure/Feed System > Removing the CIS Unit > Procedure
3) Remove the CIS Unit [1].
• 2 Shafts [2]
[1]
Caution:
When replacing the CIS Unit [1], be sure to replace the CIS Unit [1] and the CIS Spacer
[2], which are included in the package of the service part, at the same time.
If a different spacer is used, image reading error may occur.
[2]
[1]
[2]
4 Disassembly/Assembly > Original Exposure/Feed System > Removing the CIS Unit > Procedure
[2]
[2]
F-4-178
[3]
F-4-179
Caution:
• When the CIS Spacers are mixed up or lost, check the CIS Rank Label [3] to use,
and use the appropriate CIS Spacer that fits the rank of the CIS Unit.
Rank Color of spacer
rank A gray 1.13 mm
rank B white 1.23 mm
rank C brown 1.33 mm
A
CAUTION:
The groove [1] of the CIS Unit Holder must be hooked on the belt [2] when assembling.
[1]
[2]
4-77
Dimension (Height of spacer)
T-4-67
B C
F-4-180
F-4-181
4-77