November 29, 1999
COMPONENT LAYOUT
1-11
Overall
Information
1. PCBs
No
Name
Description
4
Lamp Stabilizer
Stabilizes the power to the exposure lamp
6
SBU
The sensor on this board (a CCD) reads and converts
the light reflected from the document into an analog
video signal.
27
Paper End/Near-end
Indicator Board
Lights an LED when the paper in the tray has run out.
32
LDDR (Laser Diode
Driver)
This board drives the laser diode.
36
FCU (Facsimile Control
Unit)
This board controls the machine. It contains the main
CPU, flash ROM, system RAM and so on.
37
NCU (Network Control
Unit) for optional G3 unit.
This board contains relays and switches for interfacing
the machine with the network and the handset.
38
Power Pack
Supplies high voltage to the charge brush roller,
transfer roller, and development rollers.
39
NCU (Network Control
Unit)
This board contains relays and switches for interfacing
the machine with the network.
40
PSU (Power Supply
Unit)
This board supplies power to the machine, and
switches the fusing lamp on/off.
41
42
Printer Interface Unit
(Optional)
This allows the machine to be connected to a
computer as a laser printer.
43
NIB (Network Interface
Board)
(Optional)
This allows the machine with printer unit to be
connected to a LAN as a network printer.
H306V003.WMF
37
38
39
40
41
42
43
44
45
46
47
48
49
50