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1) Remove the operation unit.

                     Left side                          Right side

2) Remove the left and right upper cabinet.

3) Remove the ICU PWB shield plate.

4) Remove the CCD flat cable connector.

5) Open the scanner (reading) unit and fix it with the hold shaft.

6)

Remove the screw, and remove the ICU cover.

7)

Remove the ICU main PWB, the ICU image PWB, and the ICU
scan PWB.

11 –  33

1) Remove the rear cabinet upper.  S01/P02 

2) Remove the rear cabinet lower.  S01/P03 

3) Remove the screw and the connector, and remove the PCU main

PWB A and the PCU main PWB B.

(AR-C100/C150)

(AR-C160/C270)

1) Remove the transfer cover and the fusing cover.  S06/Ua06 

2) Remove the PCU sub PWB.

1) Remove the rear cabinet upper.  S01/P02 

2) Remove the rear cabinet lower.  S01/P03 

3) Remove the screw and the connector, and remove the scanner

lamp control PWB.

S10/P04

11 –  34

1) Remove the rear cabinet upper.  S01/P02 

2) Remove the rear cabinet lower.  S01/P03 

3) Remove the screw and the connector, and remove the AC main

power PWB.

Remove it from the notch section (#1) of the frame.

1) Remove the rear cabinet upper.  S01/P02 

2) Remove the rear cabinet lower.  S01/P03 

3) Remove the screw and the connector, and remove the AC power

unit.

4) Remove the screw and the connector, and remove the DC main

power PWB. (AR-C100/C150/C250)
Remove the screw and the connector, and remove the DC power
PWB. (AR-C160/C270)
Remove if from the notch section of the chassis R side (#1).

(AR-C100/C150/C250)

(AR-C160/C270)

1) Remove the rear cabinet upper.  S01/P02 

2) Remove the rear cabinet lower.  S01/P03 

3) Remove the screw and the connector, and remove the DC sub

power PWB. (AR-C100/C150/C250)
Remove the screw and the connector, and remove the power con-
trol PWB. (AR-C160/C270)

 (AR-C100/C150/C250)

S10/P08

S10/P09

S10/P10

11 –  35

(AR-C160/C270)

1) Remove the rear cabinet upper. (S01/P02)
2) Remove the rear cabinet lower. (S01/P03)
3) Remove the connector, and remove the OPC drum drive PWB.

(AR-C100/C150/C250)
Remove the connector, and remove the OPC drum drive/Signal
interface PWB. (AR-C160/C270)

Remove if from the notch section of the frame (#1). When assem-
bling, engage it with the notch section.
(AR-C100/C150/C250)

 (AR-C160/C270)

1) Remove the rear cabinet upper.  S01/P02 

2) Remove the rear cabinet lower.  S01/P03 

3) Remove the screw and the connector, and remove the high volt-

age power interface PWB.

Slide the MC brunch PWB (#1) to the left to remove it from the high
voltage PWB mounting plate.

1) Remove the rear cabinet upper.  S01/P02 

2) Remove the rear cabinet lower.  S01/P03 

3) Remove the screw and the connector, and remove the high volt-

age power PWB (main charger. Developing bias).

1) Remove the transfer inner unit.  S06/Ua06 

2) Remove the high voltage power PWB (transfer charger).

S10/P10

S10/P11

11 –  36