Figure 7-41 Laser Unit Label - Xerox Phaser 7700 Service Manual

Removal
1. Remove the Rear Cover (RRP 1, on page 7-140).
1. Remove the Right-Hand Cover (RRP 2, on page 7-141).
2.
Disconnect the wiring harnesses at engine board P400 and 401.
3. Undo the retainers and undo the wiring harness.
Note
Note the routing of the laser unit wiring harness up to the engine
control board.
4.
Remove the two screws securing the laser unit in the printer.
Caution The laser unit is heavy.
5.
Pull the laser unit out of the printer.
Replacement
You must perform the RegiCon adjustment procedures after replacing the Laser
Unit Registration Control Procedures on page 4-117. Store the NVRAM values to
the hard drive after calibration. Store Engine NVRAM on page 6-136.

Figure 7-41 Laser Unit Label

Service Quick Reference Guide - Removal & Replacement Procedures 7-185