Xerox Phaser 8400

4-58 Phaser 8400/8500/8550 Color Printer
Drum Maint/Transfix Home
This test drives the process motor a short distance in each direction to verify that the dmfix drive
unit was in its home position.
R# Definition
Typical
Value
(8400)
Typical
Value
(8500/
8550) Actions
0 DM Initial FE Peak
(pm motor counts)
Reports the height of the initial
peak when starting rotation of the
dm drive gear.
1 DM Initial FE Peak
Time (sec)
Reports the time since the start
of CCW motion until the peak
was detected.
2 TF Initial FE Peak
(pm motor counts)
Reports the height of the initial
peak when starting rotation of the
tf drive gear.
3 TF Initial FE Peak
Time (sec)
Reports the time since the start
of CW motion until the peak was
detected.