Xerox PHASER 8500 Service Manual page 175

Phaser 8400/8500/8550/8560 Color Printer Service Manual
This test turns on the specified motor and runs it at constant velocity for
approximately 20 revolutions while recording drive data. The test is the same
for each motor. Requesting a test for tray not installed generates an "Option
Not Detected" message.
Tray 2, Tray 3, Tray 4, Lift Motor
Typical
Value
R# Definition (8400)
0 Motor Peak Power 1 to 2.5
(watts)
1 Motor Average .25 to .55
Power (watts)
2 Brake Average .10 to .20
Power (watts)
This test turns on the specified motor and runs it at constant velocity for
approximately 25 revolutions while recording drive data. The test is the same
for each motor. Requesting a test for a tray not installed generates an "Option
Not Detected" message.
Tray 3 and Tray 4 Pick/Feed Motor
R# Definition
0 Motor fe ripple
(ticks)
1 Motor fe average
(ticks)
2 Motor drive voltage
ripple (volts)
3 Motor drive voltage
(volts)
4 Motor drive power
ripple (watts)
5 Motor drive power
average (watts)
Typical
Value (8500/
8550/8560)
Typical Typical
Value Value (8500/
(8400) 8550/8560)
General Troubleshooting
Actions
Reports max amount of power.
Reports the average motor
drive power over the last half
of the run interval.
Reports the average motor
brake power over the stop with
brake interval.
Actions
Reports amount of variation of
the motor following error.
Reports the motor following
error average value.
Reports amount of variation of
the motor drive voltage.
Reports the motor drive
voltage average value.
Reports amount of variation of
the motor drive power.
Reports motor drive power
average value.
4-45