Canon FAX-L1000 User Manual
Page 207
3-63
FAX-L1000 Chapter 3: Technical Reference
d) OPCNT board
Buttons detection and LED drive function
The control IC on the OPCNT board detects the buttons operation status, and drives the
LCD and LEDs.
Display
The control IC in the LCD module controls the 20-column
×
2-line LCD according to the
display signals from the SCNT board.
Serial communication
Serial communication with the SCNT board is used to send buttons, speaker volume
switch, document status, etc., and to receive display, LED drive data, etc..
Sensors
The signals detected by the one touch dial cover sensors are sent to the SCNT board via
the control IC on the OPCNT board.
e) Sensor board
Sensors
The document sensor, document width sensor, and document feed sensor are attached to
the paper sensor board. The signals detected by these sensors are sent to the SCNT board.
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