Ricoh BRG-P1 Field Service Manual page 342

3. Appendix: Troubleshooting Guide
Horizontal lines on the margin
86
1. Are nozzles clogged?
Print out the nozzle check pattern and check if any of the
nozzles are clogged. If there is a blockage, start the cleaning
procedure for the print head(s) in question.
Note: In some cases, this will only solve the problem
temporarily. If the problem persists, clean the maintenance unit.
Cleaning Sequence To Solve the Problem:
1. Nozzle check
2. Head cleaning
3. Nozzle check
4. Leave the machine 5 to 10 minutes
5. Do Steps 2, 3 twice
6. Head flushing
7. Nozzle check
8. Leave the machine 8 hours
9. Nozzle check
2. Are all adjustments correct?
Check and adjust the paper feed.
3. If none of the above work
Note: If the operator prints out an image comprised mainly of
photos or solid filled areas , horizontal lines may still appear on
the printouts after performing the recommended action.
The machine needs to be repaired.
• Ink built-up in maintenance unit, or maintenance unit
failed. Clean or replace maintenance unit.
• Vertical encoder wheel dirty or damaged. Clean or
replace vertical encoder wheel
• Print head failed. Replace the carriage unit.