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2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 5 SERVICE MODE
5-28 T
3.2 R-CON
Indicates the input/output ports of the reader controller PCB.
<R-CON (1/3)>
Address
bit
Notation
Description Remarks
IO-P01 0 M400 scanner motor clock signal clock signal
1 M400 scanner rotation direction signal 0: cw
2 M400 scanner motor drier drive enable signal 0: drive enabled
3 not used
4 M400 scanner motor excitation original return signal/ 1→0: return to original
motor driver controller reset signal
5 M400 scanner motor excitation mode set signal default
6 M400 scanner motor excitation mode set signal default
7 not used
IO-P02 0 EEPROM several clock signal clock signal
1 EEPROM chip select signal 1: output
2 EEPROM read serial data signal data
3 EEPROM write serial data signal data
4 scanner reception ready signal (DDI) 0: ready to receive
5 scanner power supply ready signal (DDI) 0: ready
6 not used
7 +12V ON/OFF control signal for CCD 1: ON
IO-P03 0 serial transmission signal for DDI data
1 serial transmission signal for RS-232C data
2 serial reception signal for DDI data
3 serial transmission signal for RS-232C data
4 CCD drive signal output control signal 1: ON
5 SD1 original sensor drive control signal 0: ON
6 not used
7 not used
IO-P04 0 not used
1 not used
2 not used
3 not used
4 SD1 original sensor signal 0: ON
5 not used
6 M400 scanner drive current set signal analog signal
7 not used
COPIER>I/O>R-CON