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Adjusting the Print Head
You may need to adjust the print head if white lines appear in your printed data or if you notice the print quality
has declined. You can perform the following printer maintenance functions for maintaining the print head in
consistently good condition to ensure the best print quality.
Manual cleaning function
Functions Computer Printer Explanation
Nozzle check Checks the print head nozzles for clogging by printing a nozzle
check pattern.
Head cleaning Cleans the print head to improve the print quality. You can select
the print head to be cleaned.
Power
cleaning
- Cleans the print head more effectively than normal head cleaning.
Power cleaning process consumes more ink than head cleaning.
When you perform power cleaning, make sure that enough ink is
remaining. Otherwise, prepare a new ink cartridge.
White ink
refresh
- Replaces the white ink inside the ink tube to clear any
sedimentation. Execute this function when white ink print results
are uneven (the density is not uniform) or if you have not used the
printer for a long time when AUTO WT INK REFRESH is set to OFF.
White ink refresh consumes more white ink and cleaning liquid than
head cleaning. When you perform white ink refresh, make sure that
enough white ink and cleaning liquid is remaining. Otherwise,
prepare a new ink cartridge.
Auto cleaning function (Auto maintenance function)
Functions Explanation
AUTO NOZZLE CHECK The printer performs a nozzle check and if there are missing dots, it performs cleaning
automatically.
Capping Put a cap on the print head to keep it from drying.
Auto white ink refresh Automatically replaces the white ink inside the ink tube to clear any sedimentation
when AUTO WT INK REFRESH is set to ON.
Print head alignment function
Functions Computer Printer Explanation
Print head
alignment
Aligns the print head when misaligned lines appear on the printed
data.
Epson Stylus Pro WT7900/7910 User’s Guide
Maintenance
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