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CHAPTER 4 SERVICE PROCEDURE
4.5.4 Removing and replacing the power supply
This section describes how to remove and replace the power supply.
a. TO REMOVE THE POWER SUPPLY
1. Shut down and open the iR-M2 (see page 4-3 and page 4-4).
2. Remove the 20-pin power cable from motherboard connector J14.
3. Remove the 4-pin power cable from the HDD.
4. Remove the ribbon cable from the CD-ROM drive.
5. Remove the 4-pin power cable from the CD-ROM drive.
If cables are routed through the cable clamps, make sure to carefully re-
move them.
6. While supporting the power supply, remove the screw from the bottom of the chassis
and the two screws from the back panel that attach the power supply to the chassis.
Set the screws aside so you can replace them later.
Screw from
the back panel
7. Lift the power supply out of the chassis.
4-42
F04-405-03 Removing the power supply
COPYRIGHT © 2002 CANON INC.
Power supply
Power cables
Screw from
bottom of the chassis
2000 2000 2000 2000
NM-PDL REV.0 JULY 2002
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