Problems And Solutions - Ricoh Haokan-P1T Field Service Manual

Problems and Solutions

White lines, horizontal banding
Horizontal lines on the margin
If not, update the firmware to the latest version.
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. 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.
Image Problems
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