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