Ricoh FAX180 Service Manual page 111

TROUBLESHOOTING
COPY QUALITY TROUBLESHOOTING
6.1.6. Horizontal Black Lines
Possible Cause (Printer)
•
The thermal head is defective.
•
The FCU is defective.
Action:
1. Check the connection between the FCU (CN13) and the thermal head.
2. Replace the thermal head.
3. Replace the FCU.
H516T510.wmf
6-6
August 7th, 1995
H516T511.wmf