OKI 6ex Manual De Usuario
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Figure 2-1 OKIPAGE 6e Block Diagram
1MB Memory Board
(Option)
Charge roller
Transfer roller
Developing
roller
Toner supply
roller
Cleaning
roller
Heater
High voltage
generation
circuit
Heater drive
circuit
LED Head
FAN
Drum Motor
Registration Motor
1 Chip CPU
Reset
circuit
Low voltage
generation circuit
AC
transformer
Toner low sensor
Paper out sensor
Outlet sensor
Paper sensor
Inlet sensor 2
Inlet sensor 1
Cover
open
switch
AC IN
+8V -8V 0V +5V
+5V
+30V
CH TR DB
HEAT ON
Filter circuit
Centronics
parallel I/F
parallel I/F
EEPROM
Power Supply
Board
Board
FAN ALM
FAN Driver
LSI
M
M
Drum motor &
Registration motor
drive circuit
L5C- or L5D
For optional
RAM board
16 bits
DATA
BUS
Program & Font
ROM
4MB Mask ROM
7407
Thermistor
High Capacity
Second Paper
Second Paper
Feeder (Option)
Multi-Purpose
Feeder (Option)
Resident RAM
1M x 16 DRAM(2M Bytes)
L5D
Resident RAM
256k x 16 DRAM x 2
(1M Bytes)
L5C