Oki OKIPAGE 10ex Maintenance Manual page 202

Main Control Board
Program & Font ROM
6MB Mask ROM
EEPROM
Centronics
parallel I/F
7407
Reset
circuit
Power Supply
Board
Inlet sensor 1
Inlet sensor 2
Paper sensor
Outlet sensor
Paper out sensor
Toner low sensor
40990901TH Rev.1
1MB Memory Board
or
(Option)
For optional board
512K x 8 bit DRAM
DATA
BUS
(32bit)
1 Chip CPU
HEAT ON
+8V -8V 0V +5V +38V
Cover
open
switch
Low voltage
generation circuit
LSI
AC
transformer
Figure 3-1 Block Diagram
RS232C Interface Board
(Option)
Resident RAM
High Capacity
(2MB)
Second Paper
Feeder (Option)
Drum motor &
Registration motor
drive circuit
FAN Driver
FAN ALM
High voltage
generation
circuit
Fusing temperature
control circuit
Heater drive
circuit
Filter circuit
Multi-Purpose
Feeder (Option)
Operation Panel
M Drum Motor
M Registration Motor
FAN
LED Head
Charge roller
Transfer roller
Developping
roller
Toner supply
roller
Cleaning
roller
Thermistor
Heater
AC IN
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