Xerox PHASER 8500 Service Manual page 152

General Troubleshooting
4-22
Tray 2, Tray 3, and Tray 4 Pick Shaft (Continued)
R# Definition
7 Plate lifted average
fe.
Test picks paper from selected tray (test currently supports picking from Tray 2
only) and moves it through either the simplex or duplex paper path to
determine paper path power requirements.
Paper Drive Power
R# Definition
0 Tray
1 Paper Size
2 Unused
3 Unused
4 Tray 2 Pick Average
Power (watts)
Paper is picked and moved through either simplex or duplex paper path to
determine leading edge arrival time at each paper path sensor. R values have
alternate definitions or are unused depending on the pick tray and if simplex
or duplex path was selected.
Paper Lead Edge Times
R# Definition
Common
0 Tray
1 Paper Size
Typical Typical
Value Value
(8400) (8500/
8550/8560) Actions
Typical
Typical Value
Value (8500/
(8400) 8550/8560)
Typical
Typical Value
Value (8500/
(8400) 8550/8560) Actions
Phaser 8400/8500/8550/8560 Color Printer Service Manual
Reports the peak effort
required to drive the pick shaft
when the nudger roller is in
contact with the separator pad.
A smaller value could indicate
a slipping clutch, missing
nudger assembly pressure
spring, or glazed/dirty roller/
pad.
Actions
Reports the tray picked from.
Reports the media size picked.
Reports average power over
the pick interval (begin pick to
Deskew Sensor).
Reports the tray from which
the test paper was picked
Reports the size of the picked
paper.