Oki Data CONFIDENTIAL
44871001TH Rev.6
1-2
1. CONFIGURATION
MHE (PCB)
MHD
(PCB)
MFA-ASIC
DDR2-DRAM
(128MB)
SPI ROM
(Boot)
UART/SPI/GPIO
SPI
SSTL2
Modem
Local Bus
ARM9
USBD
USB HUB
IC
AFE IC
MOTOR
DRV IC
RTC
NANDFLASH
(64MB
)
(Program/FAXdata)
Clutch/Solenoid
Drive Circuit
US
B
SDAA
Amp
SPK
MCU
LCD
KEY LED
USB Memory
US
B
Battery
CIS
(Contact Image Sensor)
MOTOR
DRV IC
SPI
Digital
LED Drive Circuit
Enable
I/O Port
US
B
HP
Sensor
CIS
1
analog
CLK/SP
LED
16
FBS
3
FBM
4
ADFM
8
ADFS
8
SNSIF
MOTIF
CL1
CL2
ADF
Motor
SOL
PM
CL1
CL2
SOL
2
2
2
SNS1
SNS3
SNS2
3
3
FB
Motor
USB
OPE
LINETEL
OPM
(PCB)
CN1
16
CN501
30
External
Telephone PSTN
Speaker
FF
C
White
Wire/
Blac
k
Wire/
Black&Brown&Yellow
&Orange
Wire/
Blue
Wire/
White
Wire/
White
4
Wire/White
Wire/White
3
3
Wire/White
FFC/White
FPC
Wire/
Black
Wire/
Blue
Wire/
Gray
Wire/
Blue
16P
3P
4P
8P
8P
8P
8P
4P
2P
2P
2P
3P
3P
6P
30P
16P
Regist paper
Sensor
Reverse paper Sensor
Cover open/close Senso
r
Document set Sensor
White
3
White
3
White
3
White
3
Blue
3
Photo Interr
upter
Photo Interr
upter
Photo Interr
upter
Photo Interr
upter
Blac
k
2
Blue
2
Yello
w
2
Blue
3
Blac
k
Blac
k
2P
Blac
k
Red/
Ye
llow
/
Blac
k
White/Blac
k
2
3P
AC
Inlet
Pur
ple
3
Red
9
Blac
k
2
White
8
White
2
White
Blac
k
2
8P
Co
ve
r
Open-S
W
28P
CN
1
TR
CN2
High
V
oitage
(Board-97H)
3P
3P
2
SB
CN
3
DB
CH
FUSECU
T
RETURN
ID Unit
TA
G
To
ner
Car
tidge
White
,Bla
ck
White/Blac
k/
Red
3
Face up/do
wn
SW
2P
3P
2P
3P
9P
4P
8P
2P
FA
CE
UP
PW
FA
N1
HVIF
28P
IL
2ND
THER
M
DM
PWSW
SP
16P
16P
3P
J4
J2
J1
J3
POWER
3P
3P
6P
3P
3P
3P
3P
3P
3P
3P
4P
2P
2P
2P
3P
3P
4P
10
P
10
P
20P
20P
PW
FAN2
DFAN1
IN_WR
EXIT
PAP
TONER
HCLT
MCLT
RCLT
LC
D
PN
L
RC
O
White
3
4
10
16
EXITM
Rear Co
ve
r
Photo Interr
upter
EXIT
Motor
Wire/
White
FFC/
White
FFC02
White
LED HEAD
HEAD0
MFP
IF
SC
PW
LAN
USB1
WLPO
W
WLAN
SDCARD
W-LAN
unit
USB
USB
USB
Cat5
Cat5
Cat5
Only MB471w
Only MB49
1
CU/PU Board
98M (PCB)
SU Board
except MB461
Regist
Clutch
MPT
Clutch
Hopping
Clutch
To
ner SNS
(Board-97T)
CN
P
aper Empty SNS
EXIT SNS
IN SNS
IWR SNS
Duct
FA
N
Po
wer
FA
N
Po
wer Unit
PWR
24/5V
PWR
3.3VS0
3
15
3
Po
wer SW
(Board-P6A)
FUSER
FA
N
FFC01
DC
Motor
Conn
ector
Thermister
PO
WER
GDIIF
FUSER
UNIT
Wire/Black
16P
1.1 System configuration
System Configurations of the MFP Unit.
The system configuration of this product is shown in
Figure 1-1
Figure 1-1
Summary of Contents for MB461MFP
Page 1: ...MB461 MB471 MB491 MB491 MB491 LP MPS4200mb MPS4700mb Maintenance Manual 031314C ...
Page 72: ...Oki Data CONFIDENTIAL 44871001TH Rev 6 3 21 3 MFP INSTALLATION Sample MB471 Sample MB491 ...
Page 114: ...44871001TH Rev 6 4 36 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS ...
Page 138: ...Oki Data CONFIDENTIAL 5 LUBRICATING POINT 5 1 Lubrication point 5 2 ...