Xerox Phaser 8400 Service Manual page 169

Paper Trail Edge Times (Continued)
Paper is picked and moved through either the simplex or duplex paper path to determine the
paper trailing 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.
R# Definition
3 Unused
Tray 1 Pick
2 Unused
3 Unused
Common
4 Deskew Trailing
Edge Interval (us)
5 Preheat Trailing
Edge Interval (us)
6 Strip Trailing Edge
Interval (us)
Simplex Path
7 Exit Trailing Edge
Interval (us)
General Troubleshooting
Typical Typical
Value Value
(8400) (8500/
8550) Actions
Reports the interval from the time
the engine software is
commanded to start the transfix
process until the Deskew sensor
deactivates. (part way through
the paper transfix motion).
Reports the interval from the time
the engine software is
commanded to start the transfix
process until the Preheat sensor
deactivates. (part way through
the paper transfix motion).
Reports the interval from the time
the engine software is
commanded to start the exit
process until the Strip sensor
deactivates (part way through the
paper exit motion).
Reports the interval from the time
the engine software is
commanded to start the duplex
pick process until the Exit sensor
deactivates.
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