Dell 1135N Service Manual page 152

Alignment and Troubleshooting
2) Defective Image Quality of PC Scan
Description : The image PC scanned is not clear or bad.
If the CIS waveform form is
1. Check the waveform form
abnormal, try to replace the CIS
by performing shading test
Ass'y.
in TECH Mode.
If the resolution is set too low,
2. Check if the resolution is
Instruct the user as to how to set
set too low in PC Scan options.
the resolution properly.
(Refer to User's Manual.)
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Service Manual