Controlling The Pickup Motor (M2); Outline - Canon ImageRunner 600 Service Manual

CHAPTER 7 PICK-UP/FEEDING SYSTEM
C.

Controlling the Pickup Motor (M2)

1.

Outline

Table 7-201 shows the functions of the pickup motor control circuit, and Figure 7-204 is a
block diagram of the circuit.
Item
Power supply Supplies 38 V from the relay PCB.
Drive signal Signal (M2-ON) from the DC controller PCB.
Operating/driving See Figure 7-201.
assembly
Control On/off control
Constant speed control
Error code "E015"
Error detection
Relay
PCB
DC controller
PCB
7-6
COPYRIGHT © 1999 CANON INC.
Table 7-201
J1721
38V
11
GND
12
J513
0V
A5
5V
A4
M2_ON
A3
M2_FG
A2
0V
A1
When the pickup motor starts to
rotate, the pulse signal goes '1'.
When the pulse signals goes '0',
error code "E015" is indicated.
Figure 7-204
Description
J621
1
Drive circuit
2
J622
1
2
Control
3
circuit
4
5
When the M2 drive signal goes '1',
the pickup motor starts to rotate.
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
Pickup motor
(M2)
Clock pulse
generation
circuit
Reference
signal
generation
circuit