Canon DADF-M1 Service Manual - page 107
Chapter 5
5-1
5.1 Overview
5.1.1 Overview
0004-5175
The CPU of the machine's ADF controller PCB is equipped with a function to monitor the state of the machine, flashing the Original Placement indicator when it
finds a fault in the course of a check it runs as programmed. The machine communicates the presence of a fault to its host machine in the form of a code, which is
any of the following 3 types; check the Original Placement indicator to find out the nature of a fault:
T-5-1
In addition, you may also use the host machine's service mode for a specific code for an alarm or jam; an error, on the other hand, will be indicated on the host
machine's control panel in the form of an error code:
F-5-1
5.1.2 Error Code
0004-5176
T-5-2
Nature of fault
Original Placement indicator
Alarm
flashes at intervals of 240 msec
Jam
flashes at intervals of 160 msec
Error
flashes at intervals of 80 msec
Code
Detail code Item
Description
E400
A fault has been detected in the communication with th ADF driver PCB.
Cause: there is an open circuit; there is a fault in the DC controller PCB.
0001
Check sum error
The check sum value of the data received from the ADF driver
PCB fails to match 14 times continuously.
0002
Status error
The status of the data received from the ADF drive PCB fails to
match 14 times continuously.
0003
Reception error
An SCI serial communication error interrupt has been detected 14
times continuously.
Display
Adjust Function Option
Test
Counter
I/O
01
02
03
04
05
06
07
08
1031
1030
1030
1030
1029
1029
- - - -
- - - -
1653
1921
1748
1152
1810
1755
- - - -
- - - -
1653
1923
1748
1152
1813
1756
- - - -
- - - -
0001
0A11
0042
0005
010D
0A08
- - - -
- - - -
9399
0
2515
8668
8096
0
- - - -
- - - -
A4
- - - - - - - -
A4
A4
A4
- - - - - - - -
- - - - - - - -
- - - - - - - -
1
0
1
1
0
0
-
-
1
0
2
1
1
0
-
-
No.
DATE
TIME1 TIME2
L
P
CODE CNTR
SIZE