Ricoh D124-17 Service Manual page 132

2. Installation
• If any of the lines are broken, identify the patterns where the broken lines exist, and then clean
the print heads. (See below.)
5. Press [User Tools] on the operation panel.
6. Touch [Maintenance] > [Clean Print-heads]
7. Select the print head(s) to clean then touch [Start], and then follow the prompts to complete the
cleaning.
8. Print another Nozzle Check Pattern, and then check the results.
• If the patterns have no broken lines, you have finished.
• If there are still broken lines in one or more of the patterns, clean the print heads again, and
then print another Nozzle Check Pattern.
• If lines still exist after the third cleaning and Nozzle Check Pattern printing, touch [Exit], and
then flush the print heads.
• Flushing the print heads consumes a large amount of ink.
• Never execute print head flushing until you have executed print head cleaning at least 3
times.
9. Touch [Flush Print-heads].
10. Follow the prompts to complete print head flushing.
11. Print another Nozzle Check Pattern.
• If the patterns have no broken lines, you have finished.
• If there are still broken lines in the patterns, go to the next section.
When Printing Cannot Be Restored
Do this procedure if three cleanings and one flushing have failed to produce an unbroken Nozzle
Check Pattern.
1. Make sure that the ambient temperature and humidity are within the acceptable range:
• Temperature Range: 10°C to 27°C (50 °F to 81°F)
• Humidity Range: 15% to 80% Rh
2. Clean the print heads again, and then print another Nozzle Check Pattern.
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