Symptom
Cause Remedies
Uneven density
Scan line out of position
See page 3-14.
Dirty mirror, lens, ex-
Clean with a soft cloth.
posure glass, or xenon
lamp
Old xenon lamp
Replace.
Magnification
Check the reduction rate.
See page 3-17.
Blurred charac- Adjust the focusing.
See page 3-16.
ters
Adjust the reduction rate.
See page 3-17.
Filled-in charac- Adjust the reduction rate.
See page 3-17.
ters
Side-to-side Adjust the scan start posi-
See page 3-19.
registration error tion.
One side darker Check the CCD waveform See page 3-15.
than the other
flatness.
Partial scanning
Scan line is out of position See page 3-14.
Stretched output Defective scanner timing
Replace.
belt
5-5
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