Oki MC860 - Page 9

43967002TH Rev.1
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Oki Data CONFIDENTIAL
1. Configuration
20MHz
Centronics
EEP
ROM
CC1
ASIC
CIF2
ASIC
HDD
LAN USB
CU PCB
Flash
ROM
Option
RAM
CU
FAN
CPU
Paper
feed
solenoid
Duplex
FAN
Front
sensor
IN
sensor
Cover
open
sensor
Rear
sensor
Bottom
sensor
2nd
P.E
sensor
2nd
IN
sensor
2nd
paper
size sw
Front sensor PCB
DUPLEX PCB 2nd TRAY PCB
IN1 IN2 WR
M
ID
M
HOP
M
IDUP
M
BELT
Feed
clutch
Paper
feed
transport
motor
Duplex
clutch
Separator
solenoid
Duplex
motor
Paper
size
SW
1st
P.E
sensor
Belt unit
Relay PCB
Fuser unit
INLET
EXIT
sensor
Fuser
release
sensor
Fuse
entrance
sensor
Density
Color
registration
PCB, right
Color
registration
PCB, left
Belt unit,
fuse cut
Fuser fuse cut,
UP & LOW upper center/
Upper side compensation/
Lower thermistor
Low voltage PCB
FAN, heater control, others
Fuser entrance, release
5V,24V, 0VL,0VP
AC-SW
M
HEAT
Fuser
section,
end
cooling
FAN
Shutter
solenoid
Low
voltage
FAN
ARMORED CPU
PU PCB
Fuse cut
EXIT
Color registration,
density,
thermistor signals
FLASH
8Mbit
Environmental humidity,
high voltage I/F,
FAN control, cover open
EEPROM
High voltage PCB
PFID PCB
K-ID Y-ID M-ID C-ID
Fuser
FAN
Belt
thermistor
ID UP/
DOWN
Cover
open
sensor
Environment
sensor
Operator Panel PCB
Toner sensor PCB
K toner
sensor
Y toner
sensor
M toner
sensor
C toner
sensor
ID fuse cut
K LED HEAD
Host USB
PCB
Y LED HEAD
M LED HEAD
C LED HEAD
LEISUS
command I/F
DCON I/F LSYNC
Overall system configuration of the MC860 printer section is shown in Figure 1-2.
Figure 1-2