Table of Contents
Advertisement
b. To Replace the CPU Fan
1. Position the CPU fan on top of the CPU heatsink so that the notches near the corners of
the fan are facing away from the heatsink (see F04-406-02 on page 4-24).
2. Attach the CPU fan to the CPU heatsink with four screws.
The screws are driven between fins in the heatsink. Do not to apply excessive pressure
to the board when replacing the screws.
3. Connect the CPU fan cable to iR-M1 board connector J27.
4. Reassemble the iR-M1 and verify its functionality as described on page 4-11.
4.6.3 Power Switch
The power switch is mounted on a metal bracket attached to the device side of the center
frame.
The following cables connect to the power switch:
• AC power cable
• Ground cable
Chassis ground pin
Use the following procedures to replace the power switch on the back panel.
COPYRIGHT © 2001 CANON INC.
F04-406-04 Replacing the power switch
2000 2000 2000 2000
NM-PDL REV.0 JULY 2001
CHAPTER 4 DISASSEMBLY/ASSEMBLY
Metal bracket
Power switch
AC power cable
Ground cables
Power supply
4-25
Advertisement
Table of Contents
Troubleshooting
