Oki B721 Maintenance Manual

Oki Data CONFIDENTIAL
45487001TH Rev.1
1-2 /
1. Configuration
1.1 System configuration
Figure 1-1 represents the system configuration of the printer.
Figure 1-1
WLAN
module
HEAD
Toner
sensor
PCB
Option
HDD
Centro PCB
Cover
switch1
(IL)
Enviromental sensor
PCB
Control panel
PCB
Power SW
PCB
Front sensor
PCB
PCQ PCB
High-voltage
power supply
PCB
Low-voltage
power supply
PCB
Fuser
FAN
ID1
FAN
Inlet
Fuser unit
TAG PCB(ID)
TAG PCB(TC)
ID thermistor
PU/CU PCB
LAN
USB
DUPF sensor
DUP IN sensor
EXIT sensor
Rear switch
FU sensor
HOP
motor
IN1 sensor
ID
motor
Fuser
motor
ID2 FAN
Power
FAN
Dup
motor
Dup
clutch
Dup
solenoid
REG1
clutch
TRAY1
HOP
clutch
MPT
clutch
REG2
clutch
WR2 sensor
MPT PE sensor
STKFL
sensor
TRAY1 HOP sensor
TRAY1 PE sensor
IN2 sensor
TRAY1 paper size switch
HOST USB
(Front)
2nd Tray PCB
HOP
motor
IN
sensor
Paper
size
sensor
HOP
sensor
PE
sensor
HOP
clutch
REG
clutch
HOP
motor
HOP
clutch
REG
clutch
HOP
motor
HOP
clutch
REG
clutch
3rd Tray PCB
IN
sensor
Paper
size
sensor
HOP
sensor
PE
sensor
4th Tray PCB
IN
sensor
Paper
size
sensor
HOP
sensor
PE
sensor

Oki B721 Specifications

General

Print Technology	LED
Resolution	1200 x 1200 dpi
Processor	533 MHz
Memory	256 MB
Connectivity	USB, Ethernet
Duplex Printing	Standard