2K8
2-4-2
+3.3V1
LONBCN
ENBCN
VDOCN
VDOCP
GND
VREFC
PDCN
Expand memory
socket (DIMM)
Network
interface
(LAN)
USB
interface
USB
memory
slot (HOST)
OP24
V
+24V
3
OP5V
+5V1
+5V1
FPRSTN
+3.3V1
FPDATA
FPDIR
FPCLK
GND
Optional
interface
(KUIO)
Humidity
sensor
Temperature
sensor
+3.3V1
PDN(K)
GND
+3.3V1
PDN(Y)
THERM1
GND
+3.3V1
LONBYN
ENBYN
VDOYN
VDOYP
GND
VREFY
THERMK
PDYN
POLCLK1
POLRDYN
1
POLONN1
GND
+24V3
Polygon
motor YK
Polygon
motor MC
1
2
3
4
5
1
2
3
4
5
1
2
3
4
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
+3.3V1
LONBKN
ENBKN
VDOKN
VDOKP
GND
VREFK
PDKN
1
2
3
2
3
4
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
POLCLK0
POLRDYN
0
POLONN0
GND
+24V3
1
2
3
4
5
1
2
3
4
5
+3.3V1
LONBMN
ENBMN
VDOMN
VDOMP
GND
VREFM
THERMC
PDMN
+3.3V1
PDN(M)
THERM2
GND
GND
1
2
3
4
+3.3V1
PDN(C
)
1
2
3
4
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
ID solenoid
Polygon motor
thermistor
Developing
fan motor 2
Fuser fan motor 2
+24V3
IDSOLDR
N
OP24
V
OPSE
L2
OPSE
L1
OPSE
L0
GND
OP5V
OPSD
O
OPSD
I
OPRD
YN
OPSC
LK
GND
+5V1
LEDREFR
GND
VOPR
VOSR
ERAS
EMD
R
TNSE
NM
ERAS
ECD
R
TNSE
NC
ERAS
EYD
R
TNSE
NY
EECL
K
GND
EEDA
T
A
+3.3
V1
ERAS
EKD
R
+3.3
V2
TNSE
NK
DLPT
HER
M
Zener
PWB K
Engine PWB
B1 /
A1
B2 /
A2
B3 /
A3
B4 /
A4
B5 /
A5
B6 /
A6
B7 /
A7
B8 /
A8
B9 /
A9
B10/
A10
B11/
A11
B12/
A12
B13/
A13
B14/
A14
B15/
A15
B16/
A16
B17/
A17
B18/
A18
B19/
A19
B20/
A20
Main PWB
Drum relay PWB
Drum PWB K
Toner sensor K
Toner sensor Y
Developing
PWB K
Developing
PWB Y
11
10
9
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
1
2
1
2
GND
ERAS
EDR
1
Drum unit K
Drum unit Y
Drum unit C
Drum unit M
GND
TNSE
N1
+3.3
V2
TH_D
L
P
1
2
3
4
1
2
3
4
Developing unit K
Developing unit K
Developing unit C
Developing unit M
A20/
B20
A19/
B19
A18/
B18
A17/
B17
A16/
B16
A15/
B15
A14/
B14
A13/
B13
A12/
B12
A11/
B11
A10/
B10
A9 /
B9
A8 /
B8
A7 /
B7
A6 /
B6
A5 /
B5
A4 /
B4
A3 /
B3
A2 /
B2
A1 /
B1
+3.3
V2
TNSE
N1
GND
TH_D
L
P
1
2
3
4
5
1
2
3
4
5
Eraser
lamp K
4
3
2
1
4
3
2
1
1
2
3
4
1
2
3
4
+3.3V2
RFCLK
RFDATA
GND
Grid
GND/
GND
GND/
R
ES
ETN
EECLK /+5V1
EEDAT /+5V1
VSYN
C /
+
5V
1
SBSY
/
EGI
R
N
SCKN
/SD
IR
SI/S
O
+3.3
V1/+3.
3V1
FPRS
TN/
+
3.
3V1
FPCL
K/F
P
DI
R
N.C/
FPD
A
TA
GND/
GND
PDKN
/PD
YN
PDCN
/PD
MN
GND/
GND
VDOK
N/V
D
OY
N
VDOK
P/V
D
OY
P
VDOC
N/V
D
OM
N
VDOC
P/V
D
OM
P
(With developing thermistor)
(Without developing thermistor)
1
2
3
4
5
Operation panel PWB
7
6
5
4
3
2
1
7
6
5
4
3
2
1
+5V1
LEDREFL
GND
VOPL
VOSL
1
8
8
1
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
Paper feeder
(Option)
YC5
YC6
YC31
YC33
YC32
YC34
YC2
YC15
GND
TNSE
NK
+3.3
V
2
TH_D
LP
EEDA
T
ERAS
EDR
EECL
K
GND
+3.3
V1
N.C
DA1
DA0
EEDA
T
ERAS
EDR
EECL
K
GND
+3.3
V
1
N.C
DA1
DA0
EEPROM
GND/
GND
RESE
TN/
GND
+5V1
/EECLK
+5V1
/EECLK
+5V1
/VS
Y
NC
EGIR
N/S
BSY
SDIR
/SC
KN
SO/S
I
+3.3
V
1/+3.
3V1
+
3
.3V
1
/F
P
RS
T
N
FPDI
R/F
P
CL
K
FPDA
TA/
N
.C
GND/
GND
PDYN
/PD
K
N
PDMN
/PD
C
N
GND/
GND
VDOY
N/V
DOK
N
VDOY
P/V
D
OK
P
VDOM
N/V
DOC
N
VDOM
P/V
D
OC
P
1
2
3
4
5
6
7
YC1
1
2
3
4
YC35
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
YC29
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
YC30
YC1
YC4
YC3
YC5
YC2
YC6
GND
TNSE
N1
+3.3
V2
1
2
3
4
1
2
3
4
+3.3
V2
TNSE
N1
GND
GND
TNSE
NY
+3.3
V
2
GND
TNSE
NC
+3.3
V
2
GND
TNSE
NM
+3.3
V
2
YC4
YC13
YC10
YC7
YC2
1
2
3
3
2
1
1
8
8
1
1
2
3
3
2
1
1
8
8
1
1
2
3
3
2
1
1
2
3
4
5
Memory card
socket
YC1
YC5
YC6
YC8
YC9
YC11
YC12
YC1
YC1
YC1
YC1
YC1
YC2
YC2
YC2
YC2
YC2
APC
P
W
B
Y
APC
P
W
B
K
A
P
C
PWB M
A
P
C
PWB C
P
D
PWB Y
P
D
PWB K
P
D
PWB M
P
D PWB C
Right ID sensor
Left ID sensor
YC43
YC41
1
2
1
2
+24V
1
INSFANDRN
YC44
1
2
1
2
+24V
1
SUBF
AND
R
N
2
1
1
2
1
2
1
2
Summary of Contents for ECOSYS FS-C5350DN
Page 1: ...SERVICE MANUAL Published in December 2009 2K8SM061 Rev 1 FS C5350DN...
Page 3: ...Revision history Revision Date Replaced pages Remarks 1 December 11 2009 1 4 19 1 4 20 1 5 2...
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