Xerox WorkCentre C2424DX Service Manual page 178

Wiper Shaft (Continued)
Runs the media path drive train and engages the head maintenance clutch on the fly then
disengages the clutch. The test is repeated in both directions to determine clutch characteristics,
steady state drive requirements, bearing status, etc.
R# Definition
CCW On peak fe.
1
CCW On fe settling
2
time (sec).
CCW On average fe.
3
CCW On fe ripple.
4
CCW Off fe setting
5
time (sec).
Time to CW On
6
peak fe (sec).
CW On peak fe.
7
CW On fe settling
8
time (sec).
4-20
Typical
Value Actions
25 to 100 Reports the peak effort required to accelerate
the wiper shaft load. A smaller value could
indicate a slipping clutch.
-2.1 to Reports the time it takes the MP motor servo
system to "settle down" following the sudden
0.25
addition of the wiper shaft load.
A longer time could indicate a looseness in the
wiper shaft assembly or a slipping clutch.
10 to 50 Reports the average effort required to rotate
the wiper shaft in the CCW direction at a
constant velocity.
An unusual value could indicate a difference in
the composition and/or number of the rollers,
the nip pressure, or out of range mechanical
dimensions due to wear or contamination
(such as paper dust increasing the effective
diameter of a roller).
25 to 100 Reports the variation of effort needed to rotate
the wiper shaft in the CCW direction at a
constant velocity. A larger value could indicate
particles in the gears or non uniform
contamination of a roller (causing a lump).
0.01to Reports the time it takes the MP motor servo
0.20 system to "settle down" after the sudden
release of the wiper shaft load. A larger value
may show a dragging or slow to release clutch.
0.005 to Reports how long it takes the MP motor servo
0.20 system to react to the sudden addition of the
wiper shaft load.
Larger values may indicate a slipping or slow to
engage clutch.
-275 to Reports the peak effort required to accelerate
-10 the wiper shaft load.
A smaller value could indicate a slipping clutch.
0.01 to Reports the time it takes the MP motor servo
0.20 system to "settle down" following the sudden
addition of the wiper shaft load.
A longer time could indicate a looseness in the
wiper shaft assembly or a slipping clutch.
WorkCentre C2424 Service Manual