Canon ImageRunner iR8500 Series, Service Manual, Page: 331 / 1122

Chapter 7
7-9
7.4 Parts Replacement Procedure
7.4.1 Laser Scanner Unit
7.4.1.1 Removing the Laser Unit
0007-2596
iR105i/iR105+ / iR9070
1) Remove the CCD unit.
2) Remove the reader PCB unit.
3) Remove the 6 screws [1], and detach the laser driver PCB cover [2].
F-7-10
4) Disconnect the 4 connectors [1], and remove the video cable [2]; then,
remove the 8 screws [3], and detach the laser scanner unit [4].
F-7-11
7.4.1.2 Removing the Laser Unit
0008-8142
1) Remove the CCD unit.
2) Remove the reader PCB unit.
3) Remove the 6 screws [1], and detach the laser driver PCB cover [2].
F-7-12
4) Disconnect the 4 connectors [1], and remove the video cable [2]; then,
remove the 8 screws [3], and detach the laser scanner unit [4].
F-7-13
7.4.1.3 Removing the Laser Unit
0008-8151
/ iR8070
1) Slide the reader unit.
2) Remove the 6 screws [1], and detach the laser driver PCB cover [2].
F-7-14
4) Disconnect the 4 connectors [1], and remove the video cable [2]; then,
remove the 8 screws [3], and detach the laser scanner unit [4].
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[2] [3] [4]
[3] [3] [1] [3] [1]
[3]
[1]
[1]
[2] [1] [1]
[2] [3] [4]
[3] [3] [1] [3] [1]
[3]
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[2] [1] [1]