Canon IR2800, IR3300 Troubleshooting Malfunctions, Power Supply System, AC power is absent, 28 T

Replace the switch PCB.

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.

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

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:

YES:

4-28 T COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001