Service manual

Basic functions
The following are the major systems of the printer:
■ Formatter and I/O functions
■ Formatter system
■ Printer functions and operation
■ Engine-control system (engine control unit [ECU] and engine power assembly)
■ Image-formation system
■ Paper-feed system
PRINTER
FORMATTER
ENGINE UNIT
ECU
COMPUTER
Figure 4-1 Basic configuration
46 Chapter 4 Operational overview ENWW