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2. Product Specifications
Diagram of the M402xNX Series Electrical Circuit
1
0
9
8
7
6
5
4
3
2
1
M
AIN
C4N
FUSER Unit
The rmoSta t
The rmistor1
Exit
Se nsor
Re gi
Clutch
Pickup
Clutch
Front Cover
Micro Switch
24V
5V_SMPS
F
USER ON
24VS
3.3V
3
.3V_Cover_ Open 1
3.3 V_ Cover_Open
3.3 V
D
EVELOPER Unit
F AN MAIN
F AN
S MP S
OPC
MHV
DEV
Supply
THV
Va ristor
T
D
S
DRUM
M
M
a in Motor
DDR3
DIMM
(1GB)
EEPROM
(64KB)
00
00
Ne twork
RTL8211E
25 MHz
FUSER
BIAS
INLET
Pa pe r
Outbinfull
Se nsor
12MHz
M
AIN CLK
US B 2.0
INLE T
T
H
E
R
M
_
1
V
_
P
R
O
T
E
C
T
_
O
N
1
2
CN24 (2mm )
THE RM
nM
O
T
_
D
IR
M
A
IN
_B
L
D
C
_
C
L
K
M
O
T
_
R
E
A
D
Y
nM
O
T
_
E
N
G
N
D
G
N
D
G
N
D
G
N
D
24
V
S
24
V
S
24
V
S
P
IC
K
U
P
_
C
L
T
24
V
S
R
E
G
I_
C
L
T
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
CN31(2mm)
MAIN MOTOR
3
.3
V
_
P
S
G
N
D
nS
E
N
S
_
P
_
E
X
IT
1
2
3
CN27( 2mm )
E XIT
S E NS OR
3
.3
V
_
P
S
G
N
D
n
S
E
N
S
_
B
IN
_
F
U
L
L
3.
3
V
_
C
_
O
P
E
N
1
3.
3
V
_
C
_
O
P
E
N
2
1
2
3
4
5
CN2( 1.5mm )
OUTBIN FULL
COVE R OP E N
VB US
DM
DP
GND
1
2
3
4
C
N
2
1
U
S
B
_I
F
MX0 P
MX0 N
MX1 P
MX2 P
MX2 N
MX1 N
MX3 P
MX3 N
GND
LE D1
LE D0
3 .3 V_ P S
GND
GND
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
C
N
2
0
N
E
T
W
O
R
K
_
IF
n
S
C
A
N
H
O
M
E
3
.3
V
_
P
S
L
C
D
_
B
L
_
P
W
M
G
N
D
L
C
D
_
L
V
D
S
3
+
L
C
D
_
L
V
D
S
3
-
G
N
D
L
C
D
_
L
V
D
S
_
C
L
K
+
L
C
D
_
L
V
D
S
_
C
L
K
-
G
N
D
L
C
D
_
L
V
D
S
2
+
L
C
D
_
L
V
D
S
2
-
G
N
D
L
C
D
_
L
V
D
S
1
+
L
C
D
_
L
V
D
S
1
-
G
N
D
L
C
D
_
L
V
D
S
0
+
L
C
D
_
L
V
D
S
0
-
G
N
D
R
X
D
_
O
P
E
T
X
D
_
O
P
E
G
N
D
n
R
S
T
_
M
IC
O
M
_
O
E
n
K
E
Y
_
S
O
F
T
_
P
W
R
n
IN
T
_
T
O
U
C
H
G
N
D
S
D
A
_
T
O
U
C
H
S
C
L
_
T
O
U
C
H
3
.3
V
3
.3
V
CN16 (FFC 1 m m)
OP E I/F (4 .3 in ch TOUCH LCD)
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
.3
V
_
L
S
U
n
H
s
yn
c
G
N
D
V
D
O
_
1_
P
V
D
O
_
1
_
N
G
N
D
n
S
H
_
1
n
S
H
_
2
G
N
D
V
D
O
_
2_
P
V
D
O
_
2
_
N
G
N
D
n
L
D
_
O
N
L
D
_
P
O
W
E
R
N
.C
C
L
K
_
L
S
U
_
M
O
T
n
R
E
A
D
Y
_
L
S
U
n
L
S
U
_
M
O
T
_
E
N
G
N
D
2
4
V
S
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9
8
7
6
5
4
3
2
1
CN17 (FFC 1 m m)
LS U_ IF
H
VPS
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9
8
7
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9
8
7
6
5
4
3
2
1
2 4 VS
GND
THV_ R E AD
n THV_ E N
P WM_ THV
P WM_ DE V_ DC
P WM_ MHV
P WM_ FUS E R _B IAS
GND
GND
3 . 3 V
3 . 3 V_ C o v e r_ Op e n 1
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
C
N
8
(1
.5
m
m
)
H
V
P
S
5V_ S MP S
GND
2 4V1
GND
2 4V2
1
2
3
4
5
C
N
2
2
(3
.9
6
m
m
)
S
M
P
S
S
MPS
5 V_ S MP S
GND
2 4 V1
GND
2 4 V2
1
2
3
4
5
C
N
S
M
P
S
GND
2 4 V OFF
R e la y
2 4 VS
Fu s e r ON
1
2
3
4
5
C
N
S
M
P
S
GND
2 4V OFF
R e la y_ AC _ ON
2 4VS
Fu s e r ON
5
4
3
2
1
C
N
2
6
(2
m
m
)
S
M
P
S
24 VS
GND(FB )
N. C
FAN_ MAIN
1
2
3
C
N
1
4
(2
m
m
)
M
A
IN
F
A
N
2 4VS
F AN_S MP S (F/ B)
1
2
C
N
3
0
(2
m
m
)
S
M
P
S
F
A
N
1 2
1 1
1 0
9
8
7
6
5
4
3
2
1
GND
S C L1
3. 3 V_ C R UM
S DA
1
2
3
4
C
N
3
8(
1
.5
m
m
)
Z
-C
R
U
M
EMPTY
Se nsor
REGI
Se nsor
3
.3
V
S
G
N
D
n
S
E
N
S
_
P
_
E
M
P
T
Y
3
.3
V
S
G
N
D
n
S
E
N
S
_
P
_
R
E
G
I
3
.3
V
S
G
N
D
n
S
E
N
S
_
P
_
F
E
E
D
1
2
3
4
5
6
7
8
9
CN6(2mm)
SENSOR
2
4
V
S
M
P
_
C
L
U
T
C
H
3
.3
V
S
G
N
D
S
E
N
S
_
M
P
1
2
3
4
5
C N1 9 (2 mm )
MP
FEED
Se nsor
2 4 VS
GND
THV_ R E AD
n THV_ E N
P WM_ THV
P WM_ DE V_ DC
P WM_ MHV
P WM_ FUS E R_ B IAS
GND
GND
3 .3 V
3 .3 V_ C o v e r_ Op e n
C
N
3
5
(1
.5
m
m
)
S
C
F
_
IF
C
L
K
_
L
S
U
_
M
O
T
n
R
E
A
D
Y
_
L
S
U
n
L
S
U
_
M
O
T
_
E
N
G
N
D
2
4
V
S
LSU
(Dual Beam )
2 4 V1
2 4 V1
5 V_ S US P
n R S T_ S C F
S C F_ TXD
S C F_ R XD
n S C F_ OP R
_ R E Q
GND
GND
GND
1
2
3
4
5
6
7
8
9
1 0
Direct
USB
WLAN
NAND FLASH
(512MB)
M
P
Clutch
MP
Se nsor
A
M
B
IE
N
T
G
N
D
1
2
CN28( 2mm )
AIR
TE MP
USB HUB
C
ove r
Ope n
Ambie nt
Te mp
Se nsor
32.7KHz
R
TC CLK
2
5 MHz
S
C
A
N
H
O
M
E
3
.3
V
_
P
S
L
C
D
_
B
L
_
P
W
M
G
N
D
L
C
D
_
L
V
D
S
3
+
L
C
D
_
L
V
D
S
3
-
G
N
D
L
C
D
_
L
V
D
S
_
C
L
K
+
L
C
D
_
L
V
D
S
_
C
L
K
-
G
N
D
L
C
D
_
L
V
D
S
2
+
L
C
D
_
L
V
D
S
2
-
G
N
D
L
C
D
_
L
V
D
S
1
+
L
C
D
_
L
V
D
S
1
-
G
N
D
L
C
D
_
L
V
D
S
0
+
L
C
D
_
L
V
D
S
0
-
G
N
D
R
X
D
_
O
P
E
T
X
D
_
O
P
E
G
N
D
n
R
S
T
_
M
IC
O
M
_
O
P
E
n
K
E
Y
_
S
O
F
T
_
P
W
R
n
IN
T
_
T
O
U
C
H
G
N
D
S
D
A
_
T
O
U
C
H
S
C
L_
T
O
U
C
H
3
.3
V
3
.3
V
S
D
_
D
2
S
D
_
D
3
S
D
_
C
M
D
S
D
_
P
W
R
_
3
.3
S
D
_
C
L
K
S
D
_
D
0
S
D
_
D
1
N
.C
N
.C
G
N
D
G
N
D
G
N
D
G
N
D
CN32
SD CARD_IF
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
V
B
U
S
D
M
D
P
G
N
D
1
2
3
4
CN37
USB_IF
3
.3
V
D
M
D
P
G
N
D
G
N
D
D
E
T
E
C
T
1
2
3
4
5
6
33CN16
USB_IF
S
D CARD
CL CL
CL
3
.3
V
_
C
o
v
e
r_
O
p
e
n
2
5 V
N. C
GND
5 V
1
2
3
4
C
N
1
0
P
A
R
A
L
L
E
L
P AR ALLEL
OP TION
5
4
3
2
1
3
.3
V
_
L
S
U
n
H
sy
n
c
G
N
D
V
D
O
_
1
_
P
V
D
O
_
1
_
N
G
N
D
n
S
H
_
1
n
S
H
_
2
G
N
D
V
D
O
_
2
_
P
V
D
O
_
2
_
N
G
N
D
n
L
D
_
O
N
L
D
_
P
O
W
E
R
C
W
/C
C
W
C
L
O
C
K
R
E
A
D
Y
S
T
A
R
T
/S
T
O
P
N
C
B
R
A
K
E
G
N
D
G
N
D
+
2
4
V
+
2
4
V
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
L
N
FUS E R
L
N
CRUM
GND
S C L1
S DA1
3 .3 V_ C R UM
1
2
3
4
C
N
4
(2
m
m
)
C
R
U
M
Cove r
Ope n
Se nsor
3
.3
V
_
P
S
G
N
D
n
S
E
N
S
_C
o_
O
p
en
1
2
3
CN1 (1.5mm )
Cover Open
S E NS OR
3
2
1
Z-CRUM
N. C
N. C
GND
S C L
3 .3 V_ C R UM
S DA
6
5
4
3
2
1
CRUM I/F PBA
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
N.C
OP T_ n C MDR E Q
N.C
N.C
GND
GND
GND
GND
GND
2 4 V
2 4 V
2 4 V
5 V
5 V
5 V
OP T_ n R E S E T
OP T_ R XD
OP T_ TXD
SCF
D
RAWER CN
V
B
U
S
D
M
D
P
G
N
D
1
2
3
4
CN15
USB_IF
XOA :16GB
FALCON : 4GB
EDI
A1500
EEPROM
(32KB)
Se ria l Fla sh
(4MB)
DDR3
(128MB)
O
PE
OP E_LC D
4 .3inch Touch
The main controller controls all modules required to print, that is, LSU, HVPS, SMPS, FAN, Fuser, etc.
The main controller receives print data from the host through network or USB Port. It takes this information and generates
printable video bitmap data. engine and video controller are not separated.
The main controller adopts the CHORUS4N(1GHz) CPU, A1500(600MHz), DIMM PBA on DDR3 memory to perform
printing jobs successfully.
The OPE Controller displays the status of the system using 4.3inch TFT LCD in response to user actions or the Main
controller.
The HVPS supplies high voltage for developing process. High Voltage controlled by PWM signal from CPU.
SMPS makes +5V and +24V DC from 220V or 110 AC.
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2-21