Functions Of The Control Panel Cpu - Canon iR3245 Series Service Manual

Chapter 10

10.1.5 Functions of the Control Panel CPU

iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
- Monitoring key input:
Transmits input with keypad and function key to the CPU on the main controller PCB.
- Monitoring input with the touch panel
Transmits key inputs with the touch panel to the CPU on the main controller PCB.
- Buzzer control
- Control panel LED lighting control
MEMO:
The main controller drives the color LCD and the control panel CPU PCB relays the drive signal.
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