Ricoh HL-F1 Field Service Manual page 239

I-21 Horizontal lines
Possible cause and Remedy
1. Paper tray contacts
• Are the ground contacts on the right side of the paper tray connecting correctly?
No: Clean the contacts.
2. Drum unit
• Are the high-voltage power supply and drum unit contacted correctly?
No: Clean the contacts.
I-22 Light rain
Possible cause and Remedy
1. Drum unit failure
• Is the problem solved after replacing the drum unit?
Yes: Replace the drum unit.
Troubleshooting Guide
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