Fuji Xerox Phaser 5500 Service Manual page 75

Engine Logic Board
The Engine Logic Board manages the printing operation according to information
obtained through communications with the I/P Board and from sensors and switches
located throughout the printer.
The Engine Logic Board performs seven main functions:
Communicates with the Image Processor.
Controls the print sequence.
Distributes low DC voltages to various printer components.
Monitors printer status.
Maintains a running print count.
Writes the NVRAM settings.
Controls printer options.
Theory of Operation
s5500-042
2-35