Toner Replenishing Motor M8 Malfunction - Minolta EP1080 Service Manual

9-7. Toner Replenishing Motor M8 Malfunction

A defective Toner Replenishing Motor M8 is detected under any of the
following timings:
C0070: M8's Failure to Turn
The output from Toner Hopper Home
Position Sensor PC112 does not go
HIGH within 2 seconds after M8 has
been energized.
The PC112 output does not go LOW
within 10 seconds after it has gone HIGH
following energization of M8.
C0071: M8 Turning at Abnormal Timing
The PC112 output is HIGH 0.5 seconds
after M8 has been deenergized.
M8
2sec
PC112
M8
PC112
M8
0.5sec
PC112
M-29
1139T15MCA
1139T15MCA
10sec
1139T16MCA 1139T16MCA
1139T17MCA
1139T17MCA