CHAPTER 6 SELF DIAGNOSIS6-16E2200001 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.Action1. WiringIs the wiring from the scanning lamp to the reader controller PCB normal?NO: Connect the connector firmly, and correct or replace the wiring.2. Inverter PCB, Reader controller PCBTry replacing the lamp inverter PCB. Is the problem corrected?YES: End.NO: Replace the reader controller PCB.E2250000 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 thepreceding sheet by a specific level or more.Main cause The scanning lamp is faulty. The CCD PCB is faulty. The rear controllerPCB is faulty.Action1. Scanning lamp (LAMP1)Is the lamp ON during the initial operation after the main power switch isturned on?NO: Replace the scanning lamp.2. CCD unit, Reader controller PCBTry replacing the CCD unit. Is the problem corrected?YES: End.NO: Replace the reader controller PCB.