Ol610E Block Diagram (Figure 2-2) - OKIDATA OL600e Service Manual

OL610e Block Diagram (Figure 2-2)

LQ6C-
Program & Font
ROM
4MB Mask ROM
EEPROM
Centronics
parallel I/F
7407
+8V -8V 0V +5V +30V
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
or
For optional
RAM board
16bit
Resident RAM
1M x 16 DRAM
DATA
16bit (2MB)
BUS
1 Chip CPU
CH TR DB
HEAT ON
Cover
open
switch
Low voltage
generation circuit
Heater drive
AC
transformer
Filter circuit
2MB Memory Board
(Option)
Max. 4MB
Drum motor &
Registration motor
drive circuit
Fusing temperature
control circuit
FAN Driver
FAN ALM
High voltage
generation
circuit
circuit
2 - 3
High Capacity
Multi-Purpose
Second Paper
Feeder (Option)
Feeder (Option)
Drum Motor
M
Registration Motor
M
Thermistor
FAN
LED Head
Charge roller
Transfer roller
Developping
roller
Toner supply
roller
Cleaning
roller
Heater
AC IN
OL600e/610e/610e-PS/610e-S
Service Manual, P/N 59271602