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54 Functional overview EN
Basic printer functions
This chapter presents a generalized functional overview of the printer and the printing processes.
The following printer systems are discussed:
l DC Controller System/ Power System
l Formatter System
l Image Formation System
l Paper Feed System
l Laser/Scanner System
Figure 5-1 is a generalized block diagram of the printer:
Figure 5-1 Printer functional block diagram
Pick Up/Feed System
Fusing
Assembly
Cleaner
Photo-
sensitive
drum
Front Output Slot
Paper Output Bin
Laser/Scanner System Formatter System
Formatter
Control
Panel
DC Controller
Scanning Mirror
Laser
Diode
BD
Circuit
Scanner
Motor
DC Controller/Power System
Image Formation
System
Pick-
up
Unit
Developing
Unit
Tr an sfe r
Charging
Roller
Primary
Charging
Roller
Paper Input Tray
Single Sheet Input Slot
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