R-Con - Canon Image Reader-A1 iR5000i Service Manual

3.2 R-CON

Indicates the input/output ports of the reader controller PCB.
<R-CON (1/2)>
Address Bit Notation
IO-P01 0 M3
1 M3
2 M3
3 M3
4 M3
5 PS43
6
7 LA2
IO-P02 0
1
2
3
4
5
6
7
IO-P03 0
1
2
3
4
5
6
7
IO-P04 0
1
2
3
4
5
6 PS43
7 PS43
IO-P05 0
1
2
3
IO-P06 0
COPYRIGHT © 2001 CANON INC.
Description
scanner motor clock signal
scanner motor CCW/CW switch signal
scanner motor HOLD/OFF switch signal
scanner motor driver reset signal
scanner motor stream reading current switch signal
original sensor ON switch signal
fan error signal
scanning lamp ON switch signal
SK signal to EEPROM
DDI-SPI(1)
DDI-SPI(2)
DI signal to EEPROM
DDI-SCTS
DDI-SPRDY
DDI-SCPRDY
scanning lamp inverter error signal
DDI-S transmission
RS232C transmission (factory terminal transmission)
DDI-S reception
RS232C reception (factory terminal reception)
ITOP transmission (image leading edge signal)
DDI-SRTS
not used
not used
DDI-SPO(0)
DDI-SPO(1)
DDI-SPO(2)
not used
not used
not used
original sensor 3 signal (AB input)
original sensor 4 signal (Inch input)
DDI-SPRTST
serial data to CCD
clock to CCD
output to RING2
not used
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
CHAPTER 5 SERVICE MODE
COPIER>I/O
Remarks
when 1→0, ON
0: CCW, 1: CW
0: current hold,
1: current OFF
1: reset
0: stream reading current
0: sensor ON
not used
0: lamp ON
normal clock
not used
not used
DATA area
0: DDI reception ready
0: DDI power ready
0: DDI power ready
1: error
DATA area
DATA area
DATA area
DATA area
not used
0: DDI transmission ready
not used
not used
not used
0: original present
0: original present
0: DDI-SPRTST signal ON
DATA area
when 0→1→0, data
transmitted
when 0→1→0, data
transmitted
5-29 T