Oki OKIPAGE 14ex Maintenance Manual page 17

Main Control Board
Program & Font ROM
8MB Mask ROM
EEPROM
Centronics
parallel I/F
74LS07
USB I/F
ML60851
5V
Reset
circuit
High Voltade
Unit
Inlet sensor 1
Inlet sensor 2
Paper sensor
Outlet sensor
Paper out sensor
Toner low sensor
3.3V
5V
12V
30V
41356901TH Rev.2
Expansion Board RS232C Interface Board
or
(Option)
For optional board
Resident RAM
2MB x 2 DRAM
DATA
(4MB)
BUS
(32bit)
Drum motor &
Registration motor
1 Chip CPU
HEAT ON
Cover
open
switch
5V
LSI
Fusing temperature
Heater drive
circuit
AC-DC
Converter
Filter circuit
Figure 2-1 OKIPAGE 14ex Block Diagram
(Option)
High Capacity
Second Paper
Feeder (Option)
drive circuit
FAN Driver
FAN ALM
High voltage
generation
circuit
control circuit
Power Supply Unit
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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