Operation Manual

Epson Stylus Pro 7900/7910/9900/9910 User’s Guide
Maintenance
76
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
You can perform cleaning manually according to the print quality.
Auto cleaning function (Auto maintenance function)
Print head alignment function
Functions Printer driver 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.
Function 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.
Functions Printer driver Printer Explanation
Print head
alignment
✓✓Aligns the print head when misaligned lines appear on the printed
data.