Canon Image Reader-A1, Service Manual

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COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
CHAPTER 6 SELF DIAGNOSIS
6-6 T
E202
Main Cause The scanner HP sensor (PS39) is faulty. The scanner motor (M3) is faulty.
The reader controller PCB is faulty.
Mode of
Detection
0001 The scanner HP sensor does not turn off even when the scanner has
been moved 40 mm forward after the main power switch has been
turned on or the Start key has been pressed.
0002 The scanner HP sensor does not turn on even when the scanner has
been moved 450 mm in reverse.
E204
Main Cause The ADF controller PCB is faulty. The reader controller PCB is faulty.
Mode of
Detection
0001 During printing, the image leading edge signal does not arrive from
the ADF.
E220
Main Cause The lamp inverter PCB is faulty. The reader controller PCB is faulty.
Mode of
Detection
0001 The lamp inverter PCB is found to have a fault.
E225
Main Cause The scanning lamp (xenon tube) is faulty. The inverter PCB is faulty. The
CCD/AP PCB is faulty. The reader controller PCB is faulty.
Mode of
Detection
0000 A specific signal level cannot be attained by CCD gain correction
at power-on.
0002 The edge gain correction value changed more than a specific level
compared with the correction value used for the preceding sheet.
E240
Main Cause The main controller PCB. The DC controller PCB is faulty.
Mode of
Detection
0000 An error has occurred in the communication between the main
controller PCB and the CPU of the DC controller PCB.
010B An error occurred in the sequence during printing.