TROUBLESHOOTING
COPY QUALITY TROUBLESHOOTING
6.1.4. Uneven Image Density
Possible Cause (Scanner)
•
Dirty exposure glass
•
The contact image sensor is broken.
Action
1. Clean the exposure glass of the image sensor.
2. Replace the image sensor.
Possible Cause (Printer)
•
The thermal head or the platen roller is not in the correct position.
•
The thermal head is defective.
Action:
1. Check if the thermal head and the platen roller are in the correct position.
2. Replace the thermal head.
H516T508.wmf
6-4
August 7th, 1995
H516T512.wmf