Xerox 8830 Service Manual page 316

4.3 DRUM DRIVE (1 OF 2)
Chain 4 Print Power
UPPER FRAME
ASSEMBLY
(A20)
CAUTION: DO NOT RUN DIAGNOSTIC CODE [0403] IF THE FUSER IS COLD.
MACHINE DAMAGE CAN OCCUR. DIAGNOSTIC CODE [ 0403 ] RUNS THE FUSER
MOTOR, THE DEVELOPER MOTOR. AND THE PHOTORECEPTOR MOTOR. THE
FUSER HEATER IS TURNED OFF WHILE IN THE DIAGNOSTIC MODE.
THE FOLLOWING VOLTAGES SHOULD BE PRESENT:
PWM
ENCODER
1/98
7-32
SIGNAL MEASURED VOLTAGE
IN STDBY IN PRINT
+5.0 VDC +3.1 VDC
0 VDC +2.6 VDC
8830