Samsung SCX-5935FN - Solution

Alignment & Troubleshooting
Service Manual
4-63
Samsung Electronics
4.2.4 Solution
4.2.4.1 Scanner
4.2.4.1(a)COPY
PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE
White copy • Check the Scan-Cover open. • Room light can transit a thin original.
• Check shading prole. • Remake shading prole in the tech mode.
Black copy
• Check the CCD problem in Main
PBA.
• Check the CCD harness contact.
• Check shading prole. • Remake shading prole in the tech mode.
Defective image
quality
• Check shading prole.
• Check the gap between original and
scanner.
• Remake shading prole in the tech mode.
• The gap above 0.5mm can cause a blurred
image.
• Check printing quality. • See “Print” troubleshooting.
Abnormal noise
• Check the Scanner Motor and any
mechanical disturbance.
• Check the right position of the Scanner Motor,
and check the any mechanical dis turbance in
the CCD carriaging part.
• Check the Motor Driver in Driver
PBA.
• If any driver is defective, replace it.