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 H516T511.wmf
TROUBLESHOOTING August 7th, 1995
COPY QUALITY TROUBLESHOOTING
6-6
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