Okipage 6E Block Diagram (Figure 2-1) - Oki OKIPAGE 6e Service Manual

OKIPAGE 6e Block Diagram (Figure 2-1)

L5C-
Program & Font
ROM
4MB Mask ROM
EEPROM
Centronics
parallel I/F
7407
+8V -8V 0V +5V
Reset
circuit
Power Supply
Board
Inlet sensor 1
Inlet sensor 2
generation circuit
Paper sensor
Outlet sensor
Paper out sensor
Toner low sensor
Operation Description
1MB Memory Board
(Option)
For optional
RAM board
Resident RAM
256k x 16 DRAM x 2
16 bits
(1M Bytes)
DATA
BUS
Drum motor &
Registration motor
1 Chip CPU
CH TR DB
HEAT ON
+30V
Cover
open
switch
Low voltage
Heater drive
circuit
AC
transformer
Filter circuit
drive circuit
FAN Driver
FAN ALM
LED Head
LSI
+5V
High voltage
generation
circuit
2 - 2
High Capacity
Multi-Purpose
Second Paper
Feeder (Option)
Feeder (Option)
Drum Motor
M
Registration Motor
M
FAN
Thermistor
Charge roller
Transfer roller
Developing
roller
Toner supply
roller
Cleaning
roller
Heater
AC IN
OKIPAGE 6e/6ex
Service Manual, P/N 59276401