COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 NM-PDL REV.0 JULY 2001CHAPTER 4 DISASSEMBLY/ASSEMBLY4-284.7 Power SupplyThe 60 watt power supply in the iR-M1 has an input range of 100V AC to 240V AC.The following cables connect to the power supply:• AC power cableDo not attempt to measure voltages on the AC power cable because voltages are in therange of 100-240V AC.• Power supply cable (with connectors to the HDD and motherboard)The power supply cable supplies +5V, +12V, and -12V to the motherboard and +5Vand +12V to the HDD (see “Power supply cable voltages” on page 4-31).• Ground cablesInside the chassis the power supply is not encased. Before you service theiR-M1, power it off and unplug the power cable from the back.F04-407-01 Power supply on the center frameChassis ground pinAC power cableGround cablesPower supply cable(to HDD)Power supplyPower supply cable(to motherboard)Power supply cable(to power supply)Power switchCenter frame