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4-12 Phaser 8400/8500/8550/8560 Color Printer Service Manual
General Troubleshooting
Gathers data on the performance of the stripper solenoid coil and plunger.
Gathers data on the performance of the purge vent solenoid coil.
Gathers data on the performance of the drum heater dual relay assembly by
energizing each relay for a short time and capturing the resulting power draw.
Strip Solenoid
R# Definition
Typical
Value
(8400)
Typical
Value
(8500/
8550/8560)
Actions
0 Peak Power (watts) 8.0 to 15 22 to 27 Reports the max power value.
1 Average Power
(watts)
8.0 to 15 20.0 to
30.0
Reports the average power.
Purge Vent Solenoid
R# Definition
Typical
Value
(8400)
Typical
Value
(8500/
8550/8560)
Actions
0 Peak Power (watts) 0.5 to 1.2 -.12 to 1.2 Reports the max power value.
1 Average Power
(watts)
0.4 to 1.2 .15 to 1.2 Reports the average power.
Drum Heater Relay
R# Definition
Typical
Value
(8400)
Typical
Value
(8500/
8550/8560)
Actions
0 220 V Coil Peak
Power (watts)
.2 to 1.2 Reports the max power value.
1 220 V Coil Average
Power (watts)
.2 to 1.2 Reports the average power.
2 220 V Coil Min
Power (watts)
.2 to .45 Reports the min power
following power off.
3 220 V Coil Peak
Power Time (sec)
Reports time after solenoid
power on that the peak power
occurred.
4 220 V Coil Initial
Average Power
(watts)
.2 to .45 Reports the average power
following power on.
5 110 V Coil Peak
Power (watts)
.2 to 1.0 Reports the max power value.