Epson WF-4630 User Manual page 254

You see a screen like this:
7. Do one of the following:
• If your printouts look blurry or vertical lines are misaligned, select Vertical Alignment.
• If you see horizontal bands at regular intervals, select Horizontal Alignment.
8. Follow the on-screen instructions to print an alignment sheet.
Note: Do not cancel printing while you are printing head alignment patterns.
9. Check the printed patterns on the alignment sheet and do one of the following:
• If you printed a vertical alignment sheet, select the number representing the most solid printed
pattern for each set on the LCD screen .
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