Read Sharp AR-810 (serv.man16) Service Manual online
AR-651/810 DEVELOPER UNIT 12 - 6
12. 4. Motor Drive Circuit
12. 4. 1. New toner supply motor
12. 4. 1. New toner supply motor
The new toner supply motor (brush motor) is a motor for supplying toner to the developer unit from the
toner cartridge. It is driven by the motor driver IC38, and its circuit configuration is shown in the
following.
IC56
IC38
TRSM1A-0
TRSM1B-0
New toner supply motor
Gate array
Motor
driver
Signal level for motor circuit
Signal
State
TRSM1A-0 TRSM1B-0
L
L
OFF
Level
H
L
CW (when supplying toner)
L
H
CCW (detecting cartridge installation)
H
H
Brake
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