Ol600E Block Diagram (Figure 2-1) - OKIDATA OL600e Service Manual

OL600e Block Diagram (Figure 2-1)

LQ5C-
Program & Font
ROM
1MB 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
Operation Description
1MB Memory Board
(Option)
For optional
RAM board
256k x 16 DRAM x 2
16 bits
DATA
BUS
1 Chip CPU
CH TR DB
HEAT ON
+8V -8V 0V +5V +30V
Cover
open
switch
Low voltage
generation circuit
AC
transformer
2 - 2
Resident RAM
(1M Bytes)
Drum motor &
Registration motor
drive circuit
Fusing temperature
control circuit
FAN Driver
FAN ALM
High voltage
generation
circuit
Heater drive
circuit
Filter circuit
OL600e/610e/610e-PS/610e-S
Service Manual, P/N 59271602
High Capacity
Multi-Purpose
Second Paper
Feeder (Option)
Feeder (Option)
(Note 1)
(Note 1)
Drum Motor
M
Registration Motor
M
Thermistor
FAN
LED Head
Charge roller
Transfer roller
Developing
roller
Toner supply
roller
Cleaning
roller
Heater
AC IN