4-50
Phaser 8400/8500/8550/8560 Color Printer Service Manual
General Troubleshooting
This test drives the process motor a short distance in each direction to verify
that the dmfix drive unit was in its home position.
Drum Maint/Transfix Home
R#
Definition
Typical
Value
(8400)
Typical
Value (8500/
8550/8560)
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.
Summary of Contents for Phaser 8500
Page 1: ...Service Manual Phaser 8400 8500 8550 8560 701P27910 Color Printer...
Page 2: ......
Page 206: ...4 76 Phaser 8400 8500 8550 8560 Color Printer Service Manual General Troubleshooting...
Page 265: ...7 Chapter Cleaning and Maintenance In this chapter Maintenance Inspection Cleaning...
Page 323: ...9 Chapter Parts Lists In this chapter Serial Number Format Using the Parts List Xerox Supplies...
Page 342: ...9 20 Phaser 8400 8500 8550 8560 Color Printer Service Manual Parts Lists...
Page 374: ...I 6 Phaser 8400 8500 8550 8560 Color Printer Service Manual Index Notes Reference Description...
Page 375: ......
Page 376: ...701P27910...