Xerox Phaser 8400 Service Manual page 192

Check Menu Value Key Table (Continued)
2 Roller/Blade
loaded average
Y-axis following
error (mpts)
3 Roller/Blade
loaded Y-axis
following error
ripple (mpts)
4 Roller Average
Period (sec)
5 Roller Revs
6 Roller
Disengaged
Time (sec)
7 Blade loaded
average Y-axis
following error
(mpts)
8 Blade loaded Y-
axis following
error ripple
(mpts)
9 Blade
Disengaged
Time (sec)
Tilt Axis Drive - This test drives the printhead tilt mechanism through one cycle to determine
if it is controllable and operating as expected.
Test ID# R Definition
#
Tilt Axis Drive 0 Tilt Engage Cap
Position (min)
General Troubleshooting
Reports the average Y-axis
following error during the Roll
With Both Loaded interval.
Reports the difference between
the max and the min Y-axis
following error during the Roll
With Both Loaded interval.
Reports the average period of
the Y-axis following error ripple
during the Roll With Both
Loaded interval. This variation
would be due to the dmu roller
rolling along the drum surface.
Reports the number of Y-axis
following error ripple peaks
during the Roll With Both
Loaded interval.
Reports the time from the
unload roller command to the
engine until the drum indicates
no further roller contact.
Reports the average Y-axis
following error during the Roll
With Blade Loaded interval.
Reports the difference between
the max and the min Y-axis
following error during the Roll
With Blade Loaded interval.
Reports the time from the
unload blade command to the
engine until the drum indicates
no further blade contact.
Results Interpretation/Actions
Reports the distance from the
cap Home position to the tilt
cam engage point.
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