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Diagnostic Aids 3-7
4085-001
Cleaning Printheads
The Clean Printheads operation is used to clean and maintain the
printheads. This mechanical operation performed by the print engine
is recommended when print quality becomes degraded.
There are two classes of cleaning that can be performed:
• Short Clean is a “spit and wipe” cycle followed by a Print Quality
test page. Short Clean should be used first.
• Long Clean consists of printing a Print Quality test page,
prompting the user for “bad” printheads, selective priming of
“bad” printheads, printing the Print Quality test page, and then
prompting the user to see if print quality has improved. If print
quality improves and is acceptable on all printheads, the Ready
prompt appears. If print quality has not improved, the process
repeats. Long Clean can result in the disposal of a significant
amount of ink and as such should be used only when Short
Clean does not correct the problem.