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Operation Description
2 - 3
OL600e/610e/610e-PS/610e-S
Service Manual, P/N 59271602
OL610e Block Diagram (Figure 2-2)
1MB Memory Board
Charge roller
Transfer roller
Developping
roller
Toner supply
roller
Cleaning
roller
Heater
High voltage
generation
circuit
Heater drive
circuit
LED Head
FAN
Drum Motor
Registration Motor
Thermistor
Resident RAM
1M x 16 DRAM
(2MB)
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 +30V
CH TR DB
HEAT ON
Filter circuit
Centronics
parallel I/F
EEPROM
Power Supply
Board
FAN ALM
FAN Driver
Fusing temperature
control circuit
M
M
Drum motor &
Registration motor
drive circuit
LQ6C-
For optional
RAM board
or
DATA
BUS
16bit
16bit
2MB Memory Board
(Option)
Max. 4MB
Program & Font
ROM
4MB Mask ROM
7407
High Capacity
Second Paper
Feeder (Option)
Multi-Purpose
Feeder (Option)