Xerox Phaser 8500, Service Manual

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Phaser 8400/8500/8550/8560 Color Printer Service Manual 4-27
General Troubleshooting
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.
5 Preheat Bounce
Interval (us) Reports the interval during
which the Preheat sensor
bounces following the passage
of the paper trailing edge.
6 Strip Bounce
Interval (us) Reports the interval during
which the Strip sensor
bounces following the passage
of the paper trailing edge.
7 Exit Bounce
Interval (us) Reports the interval during
which the exit sensor bounces
following the passage of the
paper trailing edge.
Duplex Paper Drive Power
R# Definition
Typical
Value
(8400) Typical
Value (8500/
8550/8560)
Actions
0 Tray Reports the tray from which
the test paper was picked.
1 Paper Size Reports the size of the picked
paper.
2 Unused
3 Unused
4 Tray 2 Pick Average
Power (watts) Reports average of the power
over the pick interval (begin
pick to Deskew sensor).
Paper Sensor Bounce Times (Continued)
R# Definition
Typical
Value
(8400) Typical
Value (8500/
8550/8560)
Actions