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2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-28 T
4 Troubleshooting Malfunctions
4.1 Power Supply System
4.1.1 The AC power is absent.
1. Initial checks
[1] Is the power plug connected to the power outlet?
[2] Is the rated AC voltage present at the power outlet?
[3] Has the leakage breaker gone ON?
2. Switch PCB, Wiring, Connector
Is the resistance 0 Ω when the switch is turned on and ∞Ω when it is turned
off?
NO: Replace the switch PCB.
YES: Check the AC power line (power cord, leakage breaker, switch
PCB, main power supply PCB (J6)) for poor wiring (i.e., electrical
continuity); check the connectors for poor contact.