Aligning The Print Head - Epson Stylus Pro 4400 Reference Manual

2. Click Head Cleaning.
3. Follow the on-screen instructions.
4. Click Print Nozzle Check Pattern in the Head Cleaning
dialog to confirm that the head is cleaned and to reset the
cleaning cycle.
If you still find missing dots after cleaning, try these solutions.
❏ Select PWR CLEANING from the control panel on the printer. See
"PWR CLEANING" on page 245.
❏ Repeat this procedure four or five times, turn the printer off
and leave it alone overnight, and then try head cleaning again.
❏ Replace some of ink cartridges as they may be old or
damaged.
If the print quality remains a problem after you have tried these
solutions, contact your dealer. See "Contacting Customer
Support" on page 355.

Aligning the print head

If you find misaligned lines or black or white banding on the
printed data, you may be able to solve these problems by using
the Print Head Alignment utility to align the print head.
To use the Print Head Alignment utility, follow the steps below.
1. Make sure paper is loaded in the printer.
2. Click Print Head Alignment.
3. Follow the on-screen instructions.
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Printing with Mac OS 9.x