Epson Stylus Pro 4000 Field Repair Manual page 74

Stylus Pro 4000 Field Repair Guide
26. Fasten the Release Roller with 1 Bracket in the middle, and then install the remaining Brackets.
27. Spin the Release Roller and verify that the Guides and Notches line up properly.
Plastic Roller Upgrade Printer Component, Software Item,
Guides and Notches
should look like this.
LCD Display, Printer Button
4/28/05
Page 74.