High Voltage Unit - Oki OKIPAGE 14e Service Manual

Main Control Board
Program & Font ROM
8MB Mask ROM
EEPROM
Centronics
parallel I/F
74LS07
USB I/F
ML60851
5V
Reset
circuit
High Voltage
Unit
Inlet sensor 1
Inlet sensor 2
Paper sensor
Outlet sensor
Paper out sensor
Toner low sensor
5V
12V
30V
41605601TH Rev.2
Expansion Board RS232C Interface Board
or
(Option) (Option)
For optional board
Resident RAM
2MB x 2 DRAM
DATA
(4MB)
BUS
(32bit)
Drum motor &
Registration motor
drive circuit
1 Chip CPU
FAN Driver
HEAT ON
Cover
open
switch
5V
LSI
Fusing temperature
control circuit
Heater drive
circuit
AC-DC
Converter
Filter circuit
Figure 2-1 OKIPAGE 14e Block Diagram
Multi-Purpose
Feeder (Option)
High Capacity
Second Paper
Feeder (Option)
Operation Panel
FAN
FAN ALM
LED Head
Charge roller
Charge roller
Transfer roller
High voltage
generation
Developping
circuit
Toner supply
Thermistor
Power Supply Unit
M Drum Motor
M Registration Motor
Sub-
roller
roller
Cleaning
roller
Heater
AC IN
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