Canon ImageRunner iR8500 Series User Manual

Chapter 9
9-41
F-9-48
9.8.8 Controlling the duplexing feeder motor (M12)
0007-0498
iR105i/iR105+ / iR9070 / iR85+ / iR8070
Table shows the functions of the duplexing feeder motor control circuit, and Figure is a block diagram of the circuit.
T-9-32
Error detection No error code; however, if a fault in the drive of the motor, a jam will
occur.
Item Description
Power supply 24 V is supplied by the no-stacking feeding driver PCB.
Drive signal Signal (DUPF_OFF) from the DC controller PCB.
Operating/drive
assembly
See Figure.
Control ON/OFF control
Rotation control
Error detection No error code; however, a fault in the motor drive will cause a jam.
Item Description
Motor
driver
(IC1)
+24V
+24V
A
A*
B
B*
M11
A9
A11
A8
A7
A10
A6
FU3
Interface
circuit
Interface
circuit
Interface
circuit
A5
A6
A7
A8
A8
A7
A6
A5
J3602J519 J3603
DUPI-OFF
DUPI-B
DUPI-A
DC controller
PCB
No-stacking feeding
driver PCB
CPU
(IC13)
Phase B excitation control signal
Phase A excitation control signal
When the M11 drive signal goes '1',
the pickup motor starts to rotate.
When the M11 drive signal goes '0',
the pickup motor stops.

Canon ImageRunner iR8500 Series Specifications

General

Brand	Canon
Model	ImageRunner iR8500 Series
Category	All in One Printer
Language	English