Canon SmartBase MPC400 Service Manual page 54

SmartBase MPC600F/MPC400 Chapter 3: Assembly and Disassembly
The electrical parts are laid out as follows.
• SCNT board ............................................................... controls the entire facsimile machine
• PCNT board ............................................................... controls the printer function
• NCU board (SmartBase MPC600F only) .................. controls the telephone line
• Modem board (SmartBase MPC600F only) .............. controls the modem
• Modular board (SmartBase MPC600F only) ............ relays the telephone liine to the NCU board
• Power supply unit ...................................................... supplies power to the units and assemblies
• OPCNT board ............................................................ detects keyboard operation and displays machine
information
• ADF board(SmartBase MPC600F only) ................... interface with SCNT board
OPCNT board
ADF board
SCNT board
Modem board
NCU board
PCNT board
Modular board
Power Supply unit
Figure 3-4 Electrical Layout
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