21 May, 1999
COPY QUALITY TROUBLESHOOTING
7-5
Trouble-
shooting
7.1.5 VERTICAL BLACK LINES
Possible Cause (Scanner)
•
Defective contact image sensor element(s).
•
Dirt or dust on the exposure glass.
•
Dirty white roller in the ADF.
Action:
1. Clean the exposure glass and the shading white roller.
2. Replace the contact image sensor.
Possible Cause (Printer)
•
Damaged cleaning blade.
•
Dirty hot roller stripper(s).
Action:
1. Replace
the
cartridge.
2. Clean the hot roller strippers.
H547T503.WMF
H547T505.WMF