Ricoh BRG-P1 Field Service Manual page 194

6. Troubleshooting
Horizontal lines on the margin
192
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.