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I. BASIC OPERATION
A. Functions
Printer functions can be divided into four groups: the engine control system, the laser/scanner
unit, the image formation system, the paper pick-up/feed system.
Figure 2-1-1
2 - 1
CHAPTER 2
Cleaning
unit
Fixing
unit
Develop-
ing unit
IMAGE
FORMATION
SYSTEM
Duplexing unit (option)
Transfer
charging
roller
Primary
charging
roller
Photos
ensitive
drum
Upper cassette
Lower cassette
Face-up
tray
Face-down tray
LASER/SCANNER UNIT
Scanning mirror
Scanner
motor
BD circuit
Pick-up
control unit
Multi-purpose tray
Envelope feeder (optional)
Envelope feeder
pick-up unit
PAPER PICK-UP/FEED
SYSTEM
ENGIN CONTROL SYSTEM
OVERALL CONTROL SYSTEM
Operation
panel
Low-voltage
power supply
High-voltage
power supply
To external device (host computer, etc.)
DC controller PCB
Video controller PCB
Laser diode