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4-36 Phaser 8400/8500/8550/8560 Color Printer Service Manual
General Troubleshooting
This test raises the lift plate to verify motion and sensor operation. If the test is
requested for a tray not installed, an “Option Not Detected” message appears.
2 Pre Standby peak
Magnitude (pm
ticks)
-5100 to
-500
-150 to
-20
Reports the pm motor
following error at the pre
standby peak location.
3 Post Wipe Peak
Location ()
1400 to
4150
-450 to 150 Reports the distance around
the tilt cam from the tilt
engage position to the post
wipe peak.
4 Post Wipe peak
Magnitude (pm
ticks)
-4000 to
-75
-130 to 25 Reports the pm motor
following error at the post
wipe peak location.
Tray 2, Tray 3, Tray 4, Lift Plate Drive
R# Definition
Typical
Value
(8400)
Typical
Value (8500/
8550/8560)
Actions
0 Tray Configuration Reports the tray status
(present, plate not lifted, etc.).
See Paper Path Status test for
a description of the
configuration encoding.
1 Start Peak Power
(watts)
Reports the highest peak
during the first quarter of the
lifting interval.
2 Slack Take-up Time
(sec)
Reports the interval between
the initial power min (when the
plate is not yet engaged), and
the point where the lifting
power becomes a constant.
3 Average Lift Power
(watts)
Reports the average power
over the center ¾ of the lifting
interval.
4 Lift Contact Time
(sec)
Reports the interval from the
motor start time until the
required lift power starts to
increase due to the initial
contact with the Nudger Roller.
5 Lift Time (sec) Reports the interval from the
motor start time until plate
lifted is indicated.
6 Stall Power (watts) Reports the average stall
power during the overlifting
interval.
Tilt Drive (Continued)
R# Definition
Typical
Value
(8400)
Typical
Value (8500/
8550/8560) Actions