Canon DR-9080C Service Manual page 47

2. Pick-up Control PCB (80_SUB)
Fig. 2-402 shows a block diagram of the
pick-up control PCB (80_SUB).
mounted on the pick-up control PCB performs the
following functions.
1) Obeys instruction from the main CPU
PCB to pick up documents
2) Controls the pick-up motor, feed motor,
and each solenoid
Shading solenoid (Upper side)
Front registration sensor PCB
Front registration R sensor
Front registration L sensor
Back registration sensor PCB
Back registrtion sensor
Pick-up sensor
Imprinter door
sensor
Pick-up solenoid
Ultrasonic sensor PCB
Ultrasonic (receiving) sensor
Left-end sensor PCB
Upper unit door
sensor
Left-end sensor
Right-end sensor
COPYRIGHT © 2003 CANON ELECTRONICS INC.
The CPU
SL2
PS9
PS7
PS8
PS2
PS3
SL1
Pick-up motor
M2
M3
Feed motor
USS1
Mechanical
CNT1
counter
Imprinter
PCB
PS5
PS6
Right-end sensor PCB
PS10
CANON DR-6080/9080C REV.0 SEPT. 2003
CHAPTER 2 FUNCTIONS & OPERATION
3) Sends instructions to the document tray
control PCB
4) Processes signals from the sensors and
mechanical counter (option)
Pick-up control PCB
Motor drive
circuit
Motor drive
circuit
Fig. 2-402
CPU
Main CPU
PCB
Document
tray control
PCB
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