Xerox Phaser 8400 Service Manual page 276

The Printhead Is in the Printer
1. Remove the maintenance kit.
2. Insert a flat blade screwdriver into the end of drum maintenance cam shaft and
rotate clockwise one revolution. If the printhead is engaged, manually assist the
movement of the printhead.
Note
The hole on the drum maintenance camshaft drive gear should be at the 6:00
position after the rotation.
6-6
Insert
screwdriver
and rotate
clockwise.
Phaser 8400/8500/8550 Color Printer
Drum
maintenance
camshaft
gear
s8500-062