Epson Stylus Pro 4000 Field Repair Manual page 78

Stylus Pro 4000 Field Repair Guide
33. Install the Paper Guide Assembly and fasten with 2 Screws.
1 Screw
34. Perform the Paper Thickness Sensor Adjustment.
35. Install the Plastic Cover pictured below, and fasten with 3 Screws.
1 Small Head
Screw.
Plastic Roller Upgrade Printer Component, Software Item, LCD Display, Printer Button
4/28/05
1 Screw
2 Big Head
Screws.
Page 78.