Ricoh HL-F1 Field Service Manual page 240

6. Troubleshooting
2. Drum connection failure
• Is the contact between the drum unit and printer body connected correctly?
No: Clean contact electrode both on the drum unit and in the printer body. (
"Location of Grounding Contacts")
3. High-voltage power supply PCB failure
• Is the problem solved after replacing the high-voltage power supply PCB?
Yes: Replace the highvoltage power supply PCB.
I-23 Ghost
6
User Check
1. Check the paper used meets the recommended paper specifications. Damp paper, thick media or
rough surfaced paper can cause the problem.
2. Check the printer's environment. High temperature and high humidity conditions can cause the
problem.
3. Check that the appropriate media type is selected in the printer driver.
4. Try installing a new drum unit.
Possible cause and Remedy
1. Driver setting
• Is thin paper such as 64g/m
Yes: 1) Change the current mode to the normal mode from the driver setting. 2) Print 5 or 6 blank
pages if this problem occurs.
2. Drum unit failure
• Is the problem solved after replacing the drum unit?
Yes: Replace the drum unit.
238
2
used under the thick paper mode?
(7) in p.240