Stylus Pro 4880 Field Repair Guide 1/17/08
Ink Bay Removal (Right) Printer Component, Software Item, LCD Display, Printer Button  Page 60.
4. Remove the Front Panel.
5. Remove 4 Screws that fasten the Ink Bay Cover, and 1 Screw that fastens the Cartridge 
Release Handle, and lift off the Cover.
Remove 4 Screws
Remove 1 Screw
Lift off the Cover.