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Maintenance
When Normal Cleaning Is Not Effective
Medium Cleaning
If normal cleaning (P. 53, "Printing Tests and Normal Cleaning") does not fix dot drop-out, perform more
powerful “Medium Cleaning” to remove clogging from the print heads.
Procedure
Perform a printing test.
P. 53, "How to Perform a Printing Test"
When a printing test is completed, be sure to remove the media.
Press
.
Press
to display the left figure.
Press
.
Check the group with dot drop-out by viewing the printing-test results.
With medium cleaning, only groups of the print heads having dot drop-out are cleaned.
Press
to choose the group of the print
heads that is not to be cleaned.
Press
to get rid of the group display.
Repeat this procedure to display the groups of only the
print heads that require cleaning.
Only groups that is either A or B is displayed are objective for cleaning.
Note, however, that the medium and powerful cleaning consumes more ink than normal cleaning, and
too-frequent use may damage print heads themselves. Avoid using it more than necessary.
CLEANING
MEDIUM CL.
MEDIUM CL.
A B
_
Printing-test results
If the printing-test results are difficult
to interpret.
Examine the results from different angles
in a well-lighted location. Take advantage
of reflected light to enable visual checking.
Group A
Group B
Dot drop-out
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