Controlling The Main Motor (M1) - Canon imageRUNNER 7095 Service Manual

3.1.3 Controlling the Main Motor (M1)

Table shows the functions of the main motor control circuit, and Figure is a block diagram of the circuit.
Item
Power supply
Drive signal
Operating/drive assembly
Control
Error detection
Relay PCB
DC controller
PCB
T-3-1
Description
38 V from the relay PCB.
Signals (MAIN_MOTOR_ON) from the DC controller PCB.
Waste toner feeding screw
Cleaner assembly
Feeding belt
Internal delivery roller
External delivery roller
Reversing roller
Separation claw (reciprocating operation)
Developing assembly unit (through CL10)
ON/OFF control
Constant speed control
Error code E010
J1720 J611
38V
1
GND
2
J514 J612
0V
B7
5V
B6
MAIN_MOTOR_ON
B5
MAIN_MOTOR_FG
B4
0V
B3
When the main motor drive signal
goes '1', the main motor starts to rotate.
When the main motor starts to rotate,
the pulse signal goes '1'.
When the pulse signal goes '0', error
code E010 is indicated.
F-3-3
1
Drive circuit
2
Main motor
(M1)
1
2
Control
3
panel
4
5
Chapter 3
Clock pulse
generation
circuit
Reference
signal
generation
circuit
0010-7428
3-3