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General Troubleshooting
4-21
9
CW On average fe.
-50 to 15
Reports the average effort required to rotate
the wiper shaft in the CW 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).
10
CW On fe ripple.
0 to 70
Reports the variation of effort needed to rotate
the wiper shaft in the CW direction at a
constant velocity.
A larger value may show particles in the gears
or non uniform contamination of a roller
(causing a lump)
11
CW Off fe settling
time (sec).
-5 to 0.01
Reports the time it takes the MP motor servo
system to "settle down" after the sudden
release of the wiper shaft load.
A larger value could indicate a dragging or
slow to release clutch.
Tray 1 Pick Shaft
Runs the media path drive train and engages the Tray 1 pick solenoid on the fly. The pick shaft
goes through 2 full revolutions while drive requirements are determined.
R#
Definition
Typical
Value
Actions
0
Off average MP fe.
(mpts).
MFG
Only
Reports the average MP fe during the run in
interval before the pick shaft is engaged.
1
On response time.
(sec).
MFG
Only
Reports the time between pick solenoid
activation and a detectable response from the
MP drive system indicating that pick shaft
engagement. A higher value of R1 could
indicate that the missing tooth gear engaged
more slowly than usual, which could be a
problem with the lift plate spring tension, the
condition of the sliding surfaces between the
cams and the followers, drag on the pick shaft,
or problems with the drive gears (missing
teeth, etc.).
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
Typical
Value
Actions
Содержание WorkCentre C2424/DX
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Страница 315: ...Service Parts Disassembly 8 5 DADF Front Cover PL 1 13 1 Remove 3 screws securing the cover 2 Lift and remove s2424 241...
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Страница 379: ...9 Section Parts Lists In this chapter Serial Number Format Using the Parts List Xerox Supplies...
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