Canon iR6570 series, Service Manual

Page: 162 / 684

Chapter 5
5-24
F-5-61
5.4.3.10 When Replacing the Scanning Lamp
0009-1988
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.
5.4.4 Reader Controller PCB
5.4.4.1 Removing the Copyboard Glass
0008-7628
1) Open the ADF.
2) Remove the 2 screws [1], and detach the right glass retainer [2]; then,
detach the copyboard glass [3].
F-5-62
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-5-63
5.4.4.2 Removing the CCD Unit Cover
0008-7629
1) Remove the 9 screws [1], and detach the CCD unit cover [2].
F-5-64
[1]
[1]
[2]
[1]
[2]
[3]
[1]
[2]
[1]
[1]
[2]