Ricoh D124-17 Service Manual page 533

• The print heads are operating normally if none of the lines are broken.
Abnormal
• If you see bare patches caused by broken lines, one or more print head need cleaning or
flushing.
7. Go to the next section to clean the print heads.
Clean Print Heads
• Print head cleaning consumes ink. Do this procedure only after you have detected broken lines or
white patches in the printed Nozzle Check Pattern.
1. First, always check the ink level indicator in the printer driver to confirm that there is ink in the
cartridge.
• If one or more ink tanks are empty, replace the ink cartridge, and then print another Nozzle
Check Pattern.
Print Head Cleaning and Adjustment
531