Canon ImageRunner iR8500 Series, Service Manual, Page: 292 / 1122

Chapter 5
5-40
5.4.7.2 Removing the Light Adjustment PCB
0008-8009
1) Remove the copyboard glass.
2) Remove the screw [1] from the No. 1 mirror base assembly; then,
while pushing down the claws [2], detach the light adjustment PCB
holder.
F-5-110
3) Disconnect the connector J165 [1], and remove the screw [2]; then,
detach the light adjustment PCB [3].
F-5-111
5.4.8 Transformer PCB
5.4.8.1 Removing the Transformer Unit
0007-2507
iR105i/iR105+ / iR9070
1) Remove the rear cover.
2) Remove the rear upper cover (2 screws), and remove the upper left
cover (3 screws).
3) Remove the inverter cooling fan duct.
4) Remove the 2 screws [1], and free the reader controller
communication cable [2] from the wire saddle [3]; then, detach the
transformer unit [4].
F-5-112
5.4.8.2 Removing the Transformer Unit
0008-8011
1) Remove the rear cover.
2) Remove the rear upper cover, and remove the upper left cover (3
screws).
3) Remove the 2 screws [1], and free the reader controller
communication cable [2] from the wire saddle [3]; then, detach the
transformer unit [4].
F-5-113
5.4.8.3 Removing the Transformer PCB
0008-8012
1) Remove the rear upper cover (2 screws).
2) Remove the inverter cooling fan duct.
3) Disconnect the connectors [1], and remove the 4 screws [2]; then,
detach the transformer PCB [3].
F-5-114
[2]
[1]
[1]
[2]
[3]
[2] [3]
[4] [1]
[2] [3]
[4] [1]
[2]
[1]
[2] [3] [2]