CHAPTER 7 PICK-UP/FEEDING SYSTEM
7-26
COPYRIGHT © 1999 CANON INC.
CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
D.
Controlling the Duplexing Feeder Motor (M12)
1.
Outline
Table 7-402 shows the functions of the duplexing feeder motor control circuit, and Figure 7-
405 is a block diagram of the circuit.
Table 7-402
Figure 7-405
Motor
driver
(IC3)
+24V
A
A*
B
B*
M12
A4
A3
A2
A5
A1
FU2
A9
A10
A11
A12
A4
A3
A2
A1
J3602
J519
J3603
DUPF-OFF
DUPF-A
DUPF-B
DC controller
PCB
No-stacking feeding
driver PCB
Interface
circuit
Interface
circuit
Interface
circuit
+24V
CPU
(IC13)
Phase-B excitation control signal
Phase-A excitation control signal
When the M12 drive signal goes '1',
the pickup motor starts to rotate.
When the M15 drive signal goes '0',
the pickup motor stops.
Description
24 V is supplied by the no-stacking feeding driver PCB.
Signal (DUPF_OFF) from the DC controller PCB.
See Figure 7-401.
ON/OFF control
Rotation control
No error code; however, a fault in the motor drive will cause a jam.
Item
Power supply
Drive signal
Operating/drive
assembly
Control
Error detection
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