Stylus Pro 4880 Field Repair Guide 1/17/08
Print Head Slant Adjustment (PF) Printer Component, Software Item, LCD Display, Printer Button  Page 174.
Print Head Slant Adjustment (PF)
Note: This adjustment impacts the Print Heads “heel / toe” positioning to the media.
1. From the Adjustment Wizard for the Pro 4880, select the Print Head Slant Adjustment (PF).
2. Click on the Print Button, the alignment pattern will be printed
3. Using a lens, inspect the printed pattern.
The pattern should look like this.
If the gap is larger at the top, pull the Lever 
down