Principles Of The Digital Copier; Difference In Structure From Analog Copiers; Basic Composition Of The Digital Copier - Sharp AR-5132 Service Manual

[1] PRINCIPLES OF THE DIGITAL
COPIER
1. Difference in structure from analog
copiers
Analog machine

2. Basic composition of the digital copier

OPU
(Operation
panel section)
Serial
communication
PCU
(Process
Control Unit)
Serial
communication
Sorter
(Option)
Copy lamp section
Drum
Serial communication
Scanner section
ICU (Image process unit)
Serial
communication
Process section
Fusing section
ADU
Paper tray 3 (LCC type)
Digital machine
Laser section
The digital copier is composed of the scanner section and the printer
section. (Refer to the figures.)
In the digital copier, the reflected light is not directly radiated onto the
OPC drum as in the analog copiers.
RADF
CCD
Lens
LSU (Laser unit)
Laser beam
Paper transport section
ADU
Paper tray 1
Paper tray 2
1 – 1
Copy lamp section
CCD
Drum
Option
Printer PWB
Interface PWB
Personal
computer
Manual paper
feed section
Paper
feed
section
Scanner
section
Printer
section