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43827101TH Rev.2
9 /
Oki Data CONFIDENTIAL
C5
6
50
Figure 1-1-2 represents the system configuration of the printer.
Figure 1-1-2
Color
registration
PCB right
Color
registration
PCB left
K LED HEAD
Y
LED HEAD
M LED HEAD
C LED HEAD
Front sensor PCB
DUPLEX PCB
2nd
TRA
Y
PCB
IN1
IN2
WR
M
ID
M
HOP
M
IDUP
M
FUSER
M
BEL
T
LAN
NIC
Serial
Flash
ROM
DDR
SDRAM
USB
SPIL
YT
AS2
Operator panel PCB
T
oner sensor PCB
High-voltage PCB
Low-voltage PCB
ARMORED
CPU
Belt unit
PU PCB
Junction PCB
Fuser Unit
Inlet
EXIT
sensor
Density
sensor
Belt unit
fuse-cut
Fuser
fuse-cut,
UP&LOW thermistor/frame
thermistor
Belt unit
fuse-cut,
EXIT
Color drift, density
,
thermistor signal
20MHz
FLASH
8Mbit
F
AN heater control,
others
5V
,24V
, 0VL,0VP
EEPROM
K-ID
Y
-ID
M-ID
C-ID
Low-
voltage
FA
N
AC-SW
Fuser
fan
Belt
thermi-
stor
ID UP/
DOWN
Cover-
open
sensor
K toner
sensor
Y
toner
sensor
M toner
sensor
C toner
sensor
ID
fuse-cut
Environment
sensor
Paper feed
solenoid
1st
P.
E
sensor
5V
25MHz
48MHz
CU PCB
LEISUS
Command I/F
RFID
Environmental
temperature & humidity
signals, High-voltage I/F
,
fan control, cover-open