Xerox WorkCentre C2424DX

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.