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Oki Data CONFIDENTIAL
1. CONFIGURATION
44983601TH Rev.1
1
-
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1. CONFIGURATION
1.1 System Configuration
As the diagram 1.1 shows, for the standard configuration printer is configured by controller unit and
engine unit.
Operator panel board
LED:2, SW:1(B401d/B401dn/
B411d/B411dn)
LED:2, SW:6(B431d/B431dn)
LED head
LCD
CENTR
ONICS
Main pr
int circuit board
USB 2.0
LAN
(10BASE-T/100BASE-TX)
(B401dn/B411dn/
B431dn only)
T
oner car
tr
idge
Image dr
um car
tr
idge
High v
oltage po
wer supply uint
Lo
w v
oltage
po
wer supply unit
Fuser unit
Main DC Motor
2nd tr
ay
unit*
Additionally installed memor
y*
Hopping clutch (1st)
Register clutch
Hopping clutch (MPT)
(B431d/B431dn only)
P
aper end sensor
Eject stepping motor
Eject sensor
Rear co
v
er open sensor
Halogen lamp
FUSE
Ther
mostat
T
emperature sensor
Exhaust
FA
N
Cassette presence
- absence sensor
HUM /
TEMP
sensor
Duct
FA
N
Po
wer supply
FA
N
Stac
k
er co
v
er open
SW
F
aceup sta
ck
er open sensor
Tr
ansf
er roller
AC
inlet
A
C-SW
Board
Fuse
Rela
y ter
minal
Entrance sensor
Wr
ite sensor
T
oner sensor
board
*:e
xcept B401
Figure1-1