Canon MF8580Cdw Service Manual page 120

4
Disassembly/Assembly > Document Exposure, Feed System > Removing the CIS Unit > Procedure
4) Bring up the CIS Unit [1] to remove in the direction of the arrow.
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]
4 Disassembly/Assembly > Document Exposure, Feed System > Removing the CIS Unit > Procedure
[1]
F-4-99
[2]
F-4-100
CAUTION:
• When installing the CIS Unit [1], be sure to replace the CIS Spacer [2] together with
the CIS Unit [1] (included in the pacage of the Service Parts).
• 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 Dimension (Height
rank A light gray
rank B dark gray
rank C brown
4-50
[3]
F-4-101
of spacer)
1.17 mm
1.27 mm
1.37 mm
T-4-18
4-50