4.1 FUSER ROLL DRIVE (2 OF 2)
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:
SIGNAL
MOTOR START (L)
MOTOR DIRECTION
PWM
ENCODER
MEASURED VOLTAGE
IN STDBY
+1.7 VDC
+4.2 VDC
+4.5 VDC
0.0 VDC
IN PRINT
0.0 VDC
0.0 VDC
+1.8 VDC
+2.4 VDC
MEDIA BUCKLE
SENSOR A21Q5
PHOTO #9RM04
8830
1/98
7-29
Chain 4 Print Power
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