Epson WorkForce WF-2660 User Manual page 222

5. Check the printed pattern to see if there are gaps in the lines.
Print head is clean
Print head needs cleaning
6. If there are no gaps, click Finish.
If there are gaps or the pattern is faint, clean the print head.
If you don't see any improvement after cleaning the print head up to 4 times, wait at least 6 hours. Then
try cleaning the print head again. If quality still does not improve, one of the ink cartridges may be old or
damaged and needs to be replaced.
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