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Phaser 8400/8500/8550/8560 Color Printer Service Manual 4-29
General Troubleshooting
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.
Duplex Paper Trail Edge Times
R# Definition
Typical
Value
(8400)
Typical
Value
(8500/
8550/8560)
Actions
7 Exit Trailing Edge
Interval (us)
Reports the interval from the
time the engine software is
commanded to start the duple
pick process until the Exit
sensor deactivates.
8 Duplex Deskew
Trailing Edge
Interval (us)
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).
9 Duplex Preheat
Trailing Edge
Interval (us)
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).
10 Duplex Strip
Trailing Edge
Interval (us)
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).
11 Duplex Exit Trailing
Edge Interval (us)
Reports the interval from the
time the engine software is
commanded to start the duplex
pick process until the Exit
sensor deactivates.