Parts Replacement Procedure; Ccd Unit; Copyboard Glass - Canon imageRUNNER 7095 Service Manual

Chapter 5
5.4

Parts Replacement Procedure

5.4.1 CCD Unit

5.4.1.1 Before Starting the Work
1) Remove the copyboard glass.
2) Remove the CCD unit cover [1].
- 9 screws [2]
[2]
[2]
[2]
F-5-52
3) Remove the original size sensor unit.
5.4.1.2 Removing the CCD Unit
1) Disconnect the 2 flat cables [1] of the reader
controller PCB; then, remove the 2 screw [2]
and the 2 leaf springs [3]. Thereafter, detach the
CCD unit [4].
[4]
F-5-53
5.4.1.3 When Replacing Components of
the Scanning System <iR7105/7095>
<Components>
CCD unit, copyboard glass, scanning lamp,
standard white plate, inverter PCB
<Procedure>
Execute the following service mode item:
1) COPIER> FUNCTION> CCD> CCD-ADJ
(shading correction based on the standard white
plate)
5-24
0011-8094
[1]
[2]
0011-7969
[1]
[2]
[3]
[2]
0011-8730
5.4.1.4 When Replacing Components of
the Scanning System <iR7086>
<Components>
CCD unit, copyboard glass, stream reading glass,
scanning lamp, inverter PCB
<Procedure>
Execute the following service mode items:
1) COPIER> FUNCTION> CCD> CCD-ADJ
(shading correction based on the standard white
plate)
2) COPIER> FUNCTION> CCD> DF-WLVL1
(ADF white level; for copyboard mode)
3) COPIER> FUNCTION> CCD> DF-WLVL2
(ADF white level; for stream reading mode)

5.4.2 Copyboard glass

5.4.2.1 Removing the Copyboard Glass
1) Open the ADF.
2) Remove the copyboard glass [1].
- 2 screws [2]
- right glass retainer [3]
[1]
F-5-54
When removing the copyboard glass, take care
not to touch the white plate found on its back.
(Dirt will lead to lines in images.) Use lint-free
paper moistened with alcohol to remove dirt.
Take care not to deform the sponge [2] attached
to the right glass retainer [1].
[2]
F-5-55
5.4.2.2 Removing the Stream Reading
Glass <iR7086>
1) Open the ADF.
0011-8735
0011-7965
[2]
[3]
[1]
0011-8096