Controlling The Main Motor (M1); Outline - Canon ImageRunner 600 Service Manual

CHAPTER 2 BASIC OPERATIONS
D.

Controlling the Main Motor (M1)

1.

Outline

Table 2-108 shows the functions of the main motor control circuit, and Figure 2-104 is a block
diagram of the circuit.
Item
Power supply
Drive signal
Operating/drive
assembly
Control
Error detection
Relay PCB
DC controller
PCB
2-6
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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
Table 2-108
J1720
38V
1
GND
2
J514
0V
B7
5V
B6
MAIN_MOTOR_ON
B5
MAIN_MOTOR_FG
B4
0V
B3
When the main motor starts to rotate,
the pulse signal goes '1'.
When the pulse signal goes '0', error
code E010 is indicated.
Figure 2-104 Control Circuit Block Diagram
Description
J611
1
Drive circuit
2
J612
1
2
Control
3
panel
4
5
When the main motor drive signal
goes '1', the main motor starts to rotate.
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
Main motor
(M1)
Clock pulse
generation
circuit
Reference
signal
generation
circuit