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If you do not use your printer
for more than a month
If you do not use your printer for a long time,
execute white ink maintenance.
See “Maintaining White Ink” on page 63
When activating AUTO NOZZLE CHECK in the
panel settings, the printer checks the print head
nozzles for clogging, and performs print head
cleaning automatically if needed.
If you have not used your printer for a long time,
print a nozzle check pattern to check for clogging.
If the nozzle check pattern is not good, perform
head cleaning before printing your data.
See “Nozzle check” on page 75
See “Head cleaning” on page 77
See “Power cleaning” on page 78
You need to perform head cleaning a few times
before the nozzle check pattern is correctly
printed. If the nozzles are still clogged after
performing head cleaning three times, perform
power cleaning.
See “Head cleaning” on page 77
See “Power cleaning” on page 78
After performing the head cleaning a few times,
turn off the printer and leave it overnight or
longer, so that the ink may dissolve.
If the nozzles are still clogged after trying the
instructions above, contact your Epson dealer.
If you do not use your printer
for more than a year
If you do not use your printer for more than a year,
the white ink may be clogged in the print head and
ink tube. If the print head and the ink tube are still
clogged after executing POWER CLEANING and WT INK
REFRESH, contact your local Epson dealer/
representative.
See “Power cleaning” on page 78
See “White ink refresh” on page 78
Protecting the print head
This printer has a capping function that automatically
puts a cap on the print head to keep it away from
drying.
If the print head is left uncapped, the print quality
may decline. When you are not using the printer,
make sure the print head is located on the far right so
that it is capped.
See “Capping function” on page 79
Epson Stylus Pro WT7900/7910 User’s Guide
Maintenance
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