After Replacing The Scanning Lamp; Reader Controller Pcb; Removing The Reader Controller Pcb; Removing The Reader Controller Pcb Unit - Canon ImageRunner iR8500 Series Service Manual

Chapter 5
5.4.4.8 When Replacing the Scanning Lamp
1) Check to make sure that the Execute/Memory lamp in the control
panel is OFF, and turn off the main power switch.
2) Disconnect the power plug from the power outlet.
The machine remains powered as long a the power plug is connected. Be
sure to disconnect the power plug from the power outlet without fail.
3) Replace the scanning lamp.
4) Assemble the machine, and connector the power plug to the power
outlet; then, turn on the main power switch.
5) Execute the following in service mode in sequence:
1. COPIER>FUNCTION>CCD>CCD-ADJ
2. COPIER>FUNCTION>CCD>LUT-ADJ
6) Inplement the service mode described below to the service sheet
which is to be kept in the service log book case.
- COPIER>FUNCTION>MISC-P>LBL-PRNT
7) Turn off and then on the main power switch.

5.4.4.9 After Replacing the Scanning Lamp

/ iR8070
Execute'CCD auto adjustment'in service mode, and record the updated
CCD adjustment
data on the service label.
1. CCD Auto Adjustment
COPIER>FUNCTION>CCD>CCD-ADJ
2. CCD Adjustment Data all items under
COPIER>ADJUST>CCD

5.4.5 Reader Controller PCB

5.4.5.1 Removing the Reader Controller PCB

iR105i/iR105+ / iR9070
1) Remove the original size sensor.
2) Remove the reader controller cover.
3) Disconnect all connectors on the Reader Controller PCB.
4) Disconnect the DDIS cable [1] and the 2 flexible cables [2]; then,
remove the 9 screws [3] and the stepped screw [4], to detach the
reader controller PCB [5] in the direction of the arrow.
[3] [3]
[1]
[3]
[3]
[3]
5-36
0008-8582
0008-8584
0007-2511
[3] [3] [2] [3]
[4] [3] [5]
F-5-92

5.4.5.2 Removing the Reader Controller PCB Unit

1) Remove the reader controller cover.
2) Disconnect the 8 connectors of the reader controller PCB, DDIS
cable, and 2 flexible cables.
3) Remove the 8 screws [1], and detach the reader controller PCB unit
[2].
[1]
[1]
[2]
5.4.5.3 Removing the Reader Controller PCB
/ iR8070
1) Remove the reader rear cover.
2) Disconnect the nine connectors [1], remove the seven screws [2], and
remove the flat cable [3]; then, detach the reader controller PCB [4].
[4]
[1]
[2]
Do not hurt the flat cable which is removed in step 2).
5.4.5.4 Removing the Reader Controller PCB
1) Remove the original size sensor .
2) Remove the reader controller cover .
3) Disconnect all connectors on the Reader Controller PCB.
4) Disconnect the DDIS cable [1] and the 2 flexible cables [2]; then,
remove the 9 screws [3] and the stepped screw [4], to detach the
reader controller PCB [5] in the direction of the arrow.
0008-8019
[1]
[1]
[1]
[1]
F-5-93
0008-8138
[2]
[2]
[3]
[2]
F-5-94
0008-8014