Canon IMAGERUNNER 7086, Service Manual

Page: 151 / 615

Chapter 5
5-33
5.4.7 Inverter PCB
5.4.7.1 Before Starting the Work
0011-8112
1) Remove the copyboard glass.
2) Remove the CCD unit cover [1].
- 9 screws [2]
F-5-93
3) Remove the original size sensor unit.
5.4.7.2 Removing the Inverter PCB
0011-7975
1) Disconnect the connector [1] and the flat cable
[2]; then, release the 2 PCB supports [4] to
detach the inverter PCB [5].
F-5-94
5.4.7.3 When Replacing Components of
the Scanning System <iR7105/7095>
0011-8734
<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)
5.4.7.4 When Replacing Components of
the Scanning System <iR7086>
0011-8739
<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)
5.4.8 Scanner Motor
5.4.8.1 Before Starting the Work <iR7105/
7095>
0011-8656
1) Remove the reader rear cover.
2) Remove the reader upper rear cover.
3) Remove the interface PCB cover.
5.4.8.2 Before Starting the Work
<iR7086>
0011-8115
1) Disconnect the 3 connectors [1].
F-5-95
2) Remove the upper rear cover [1].
- 3 screws [2]
F-5-96
[2]
[2]
[2]
[2]
[1]
[1]
[2]
[5] [3]
[4] [4]
[1]
[2]
[1]