CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

4.3.2 The scanning lamp fails to go ON.

1. Wiring, Connector

Is the connection of the wiring and the connectors between the inverter PCB (J4061) and the lamp correct?

NO: Correct the wring, and connect the connectors securely.

2. Inverter PCB

Is ‘E220’ indicated?

YES: Replace the inverter PCB.

3. Scanning lamp, Reader controller PCB

Execute the following in service mode: COPIER>FUNCTION>MISC- R>SCANLAMP. Is the activation control signal present at J402 of the reader controller PCB? (J402-2: LMP_ON, J402-3: GND, J402-4: +24 VU)

YES: The scanning lamp is faulty. Replace the lamp.

NO: The reader controller PCB is faulty. Replace the PCB.

4-36 T

COPYRIGHT © 2001 CANON INC.

CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001

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Canon IR3300, IR2800, IR2200 manual Scanning lamp fails to go on, 36 T