COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 NM-PDL REV.0 JULY 2001CHAPTER 4 DISASSEMBLY/ASSEMBLY4-294.7.1 To Remove the Power Supply1. Power off and open the iR-M1 as described on page 4-3 and page 4-4.2. Remove the front panel as described on page 4-6.3. Remove the power supply cable from motherboard connector J29 and the HDD.The center connector on the power supply cable connects to the power supply.4. Remove the AC power cable connector from the power supply with a pair of needlenosepliers.Leave the other end of the AC power cable attached to the pins on the power switch.5. Remove the ground cable (green) from the power supply with a pair of needlenose pli-ers.Leave the other end of the ground cable attached to the chassis ground pin.6. Remove the four screws that secure the power supply to the center frame.7. Remove the power supply from the center frame.4.7.2 To Replace the Power Supply1. Secure the power supply to the center frame with four screws.2. Thread the motherboard end of the power supply cable through the guide on the centerframe and attach it to connector J29 on the motherboard.3. Connect the other end of the power supply cable to the power connector on the HDD.4. If you removed the power supply cable connector from the power supply, reattach it.