Canon iR2200 Service Handbook page 248

CHAPTER 6 SELF DIAGNOSIS
E220
0001 A fault is detected on the inverter PCB for the scanning lamp.
Main cause The inverter PCB is faulty. The reader controller PCB is faulty.
Action
1. Wiring
Is the wiring from the scanning lamp to the reader controller PCB normal?
NO:
2. Inverter PCB, Reader controller PCB
Try replacing the lamp inverter PCB. Is the problem corrected?
YES: End.
NO:
E225
0000 A specific level cannot be attained for the signal during CCD gain correc-
tion at power-on.
0002 The edge gain correction level is different from the correction level for the
preceding sheet by a specific level or more.
Main cause The scanning lamp is faulty. The CCD PCB is faulty. The rear controller
PCB is faulty.
Action
1. Scanning lamp (LAMP1)
Is the lamp ON during the initial operation after the main power switch is
turned on?
NO:
2. CCD unit, Reader controller PCB
Try replacing the CCD unit. Is the problem corrected?
YES: End.
NO:
6-16
Connect the connector firmly, and correct or replace the wiring.
Replace the reader controller PCB.
Replace the scanning lamp.
Replace the reader controller PCB.