Chapter 2 Operations; Basic Construction; Electrical Circuitry; Communication With The Copier - Canon DU7-1101-000 Service Manual

I . BASIC CONSTRUCTION
A.

Electrical Circuitry

The machine's electrical mechanisms are controlled by the ADF controller PCB. The CPU on
the ADF controller PCB interprets input signals from the machine's sensors and the host copier, and
generates signals to drive the motors, solenoids, and other DC loads.
ADF controller PCB
ROM
(IC1)
EEPROM
(IC2)
RAM
(Q4)
D/A
(Q9)
IPC
(Q2)
Copier
B.

Communication with the Copier

The machine communicates using IPC communication 2, which enables communication at a
higher speed than the existing IPC methods.
Related Error Code
E422
E712
COPYRIGHT © 1999 CANON INC.
CPU
(Q1)
+24R +5V
5 VDC power
supply (Q28)
Power supply
PCB
Figure 2-101
A fault has occurred in the communication with the copier.
CANON ADF FOR iR600 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

CHAPTER 2 OPERATIONS

Motor
Sensor
Solenoid
Clutch
Original
indicator
LD PCB
Tray PCB
Reversal
Motor
motor
driver PCB
Belt motor
Motor
driver PCB
2-1