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-
ingunit
IMAGE
FORMATION
SYSTEM
Duplexingunit (option)
Transfer
charging
roller
Primary
charging
roller
Photos
ensitive
drum
Uppercassette
Lowercassette
Face-up
tray
Face-downtray
LASER/SCANNER UNIT
Scanning mirror
Scanner
motor
BDcircuit
Pick-up
controlunit
Multi-purposetray
Envelopefeeder (optional)
Envelopefeeder
pick-up unit
PAPERPICK-UP/FEED
SYSTEM
ENGIN CONTROL SYSTEM
OVERALL CONTROLSYSTEM
Operation
panel
Low-voltage
power supply
High-voltage
power supply
Toexternal device (host computer, etc.)
DCcontroller PCB
Videocontroller PCB
Laser diode