Canon FAXPHONE L75 Service Manual page 43

LASER CLASS 1060P Chapter 2: Technical Reference
The following six printed circuit boards are located in this machine:
• SCNT board that controls the entire system
• NCU board that interfaces with the telephone line
• MODULAR board that connects the telephone line and the NCU board
• PCNT board that generates high voltage for the printer
• OPCNT board that controls the operation panel's buttons and LCD.
• A power supply unit is also located in this machine.
• As many as 6 sensors are used to monitor the movement of originals and recording paper or to detect the
presence/absence of toner.
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