Power Supply Board - Oki OKIPAGE 10i Maintenance Manual

1MB Memory Board
Main Control Board
Program & Font ROM
6MB Mask ROM
EEPROM
Centronics
parallel I/F
7407
+8V -8V 0V +5V +30V
Reset
circuit
Power Supply
Board
Inlet sensor 1
Low voltage
Inlet sensor 2
generation circuit
Paper sensor
Outlet sensor
Paper out sensor
Toner low sensor
transformer
Figure 2-1 OKIPAGE 10i Block Diagram
RS232C Interface Board
or
(Option)
For optional board
Resident RAM
512K x 8 DRAM
DATA
(2MB)
BUS
(32bit)
Drum motor &
Registration motor
1 Chip CPU
FAN Driver
HEAT ON
Cover
open
switch
LSI
Fusing temperature
Heater drive
circuit
AC
Filter circuit
16
Network Interface Board
or
(Option) (Option)
High Capacity
Second Paper
Feeder (Option)
drive circuit
FAN ALM
High voltage
generation
circuit
control circuit
Multi-Purpose
Feeder (Option)
Operation Panel
M Drum Motor
M Registration Motor
FAN
LED Head
Charge roller
Transfer roller
Developping
roller
Toner supply
roller
Cleaning
roller
Thermistor
Heater
AC IN