Xerox WORKCENTRE C2424, Service Manual

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4-38 WorkCentre C2424 Service Manual
Drum Maintenance Drive
With the Y-axis rotating, the drum maintenance unit is loaded against the drum for a short time in
each configuration (roller and blade/blade only).
R# Definition
Typical
Value
Actions
0
Time to blade first
contact (sec) .01 to .35 Reports the time from the load command to the
engine until the drum indicates blade contact.
1
Time to roller first
contact (sec) -2 to 0.5 Reports the time from the load command to the
engine until the drum indicates roller contact.
2
Roller/Blade loaded
average Y-axis
following error
(mpts) -1000 to
-140 Reports the average Y-axis following error
during the Roll With Both Loaded interval.
3
Roller/Blade loaded
Y-axis following error
ripple (mpts) 0 to 1000 Reports the difference between the max and
the min Y-axis following error during the Roll
With Both Loaded interval.
4
Roller Average
Period (sec) 50 to
1600 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.
5
Roller Revs 0 to 55 Reports the number of Y-axis following error
ripple peaks during the Roll With Both Loaded
interval.
6
Roller Disengaged
Time (sec) -0.001 to
0.05 Reports the time from the unload roller
command to the engine until the drum
indicates no further roller contact.
7
Blade loaded
average Y-axis
following error
(mpts) -150 to
-35 Reports the average Y-axis following error
during the Roll With Blade Loaded interval.
8
Blade loaded Y-axis
following error ripple
(mpts) MFG
Only Reports the difference between the max and
the min Y-axis following error during the Roll
With Blade Loaded interval.
9
Blade Disengaged
Time (sec) MFG
Only Reports the time from the unload blade
command to the engine until the drum
indicates no further blade contact.