Canon iR6570 series, Service Manual

Page: 158 / 684

Chapter 5
5-20
F-5-40
5.4.1.4 Removing the CCD Unit
0008-7659
1) Disconnect the 2 flat cables [1] of the reader controller PCB, and
remove the 2 screws [2] and the 2 leaf springs [3]; then, detach the
CCD unit [4].
F-5-41
5.4.1.5 When Replacing the CCD Unit
0008-7681
Execute the following in service mode:
1) white plate data adjustment (COPIER> FUNCTION> CCD> CCD-
ADJ)
2) ADF white level adjustment (COPIER> FUNCTION> CCD> DF-
WLVL1/2)
Be sure to perform white plate data adjustment before performing ADF
white level plate.
5.4.2 Copyboard glass
5.4.2.1 Removing Copyboard Glass
0008-7608
1) Open the ADF.
2) Remove the 2 screws [1], and detach the right glass retainer [2]; then,
detach the copyboard glass [3].
F-5-42
When detaching the copyboard glass, take care not to touch the white
plate attached to its back. (Soiling can cause lines in the image). If
soiled, clean it using lint-free paper moistened with alcohol.)
Take care not to deform the sponge attached to the right glass retainer
[1].
F-5-43
5.4.2.2 When Replacing the Platen Board Glass
0009-1983
Execute the following in service mode:
1) white plate data adjustment (COPIER> FUNCTION> CCD> CCD-
ADJ)
2) ADF white level adjustment (COPIER> FUNCTION> CCD> DF-
WLVL1/2)
Be sure to perform white plate data adjustment before performing ADF
white level adjustment.
5.4.3 Scanning Lamp
5.4.3.1 Removing the Copyboard Glass
0008-7609
1) Open the ADF.
2) Remove the 2 screws [1], and detach the right glass retainer [2]; then,
detach the copyboard glass [3].
[1]
[2]
[1]
[2]
[2]
[3]
[4]
[1]
[2]
[3]
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[2]