Samsung SCX-4500 Service Manual page 103

Adjustment and Troubleshooting
4.2.4.2 Defective Image Quality
Description : The copied image is excessively light or dark
Service Manual
4-50
1. Check shading profile.
2. Check the gap between
original and scanner glass.
3. Check printing quality.
Redo shading profile in the tech mode.
A gap of more than 0.5mm can cause
a blurred image. Ensure rollers and
cover close correctly. Replace as
necessary.
See "Print" troubleshooting.
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