Epson Stylus Pro 4000 Field Repair Manual page 174

Stylus Pro 4000 Field Repair Guide
6. Using a lens, inspect the printed pattern.
The pattern should look like this.
7. Adjust, and reprint, until the pattern is correct.
8. Tighten the 5 Screws, and reprint the pattern to verify that the pattern is still correct.
9. Re-install the Carriage Cover.
Print Head Slant Adjustment (PF)
If the gap is larger at the top, pull the Lever
down
Printer Component, Software Item,
The Lever employs detentes to lock
it in place. Flex the top portion of
the Lever in the direction of the
pivot point to release the detentes.
LCD Display, Printer Button
4/28/05
Page 174.