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A-9
FS-1010
DGND
_S/H
_VIDEO
_LDEN
DGND
+5V-IL
DGND
_HSYNC
FPRSTN
GND
FPCLK
FPDIR
FPDAT
+3.3 V
YC301
High voltage board
YC-T
YC-M
CN1
CN2
CN2
F1 : 250 V /8 A (E)
250 V /15 A (U)
F2 : 250 V /1.6 A (E)
250 V /2.5 A (U)
Power supply board
Power
switch
Interlock
switch
CN4
CN1
CN5
N
L
THERM
+5V
AC
S02774(E)
S02775(U)
Heater lamp
Thermistor
Thermal cutout
CN3
FAN
+24V1
Toner
sensor
KP-786
+5V
TONER
SGND
S02508
YC304
CN1
CN1
YC-B
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
1
2
3
4
5
6
7
S02777
S02778
YC07YC08
YC04
F01 125 V/1.0 A
+5 V
Main board
KP-888
YC05
YC01
YC02
YC03
YC09
+5V
+5V
OUTPEN
SGND
PLGCLK
EGSO
SCKN
EGKN
PDMASKN
SBSY
SDIR
EGIRN
SGND
RSTN
S02770
Ferrite core
YC01
FEDDRN
PFSEN
PFPFPER
PFCLK
PFMDRN
PGND
MRDYN
MOTORN
+24V2
S02773
YC04
CN1
CN2
CN3
+24V
PGND
PFMDRN
PFCLK
PFPFPER
PFSEN
+24V
PGND
PFMDRN
PFCLK
PFPFPER
PFSEN
S02514
YC802
YC801
OUT1
OUT2
OUT3
OUT4
PF feed
motor
+24V2
RESDRN
+24V2
MPFDRN
ERASPW
ERASER
RTHDR
HEATN
HVISEL
SENPOW
SLEEP
PSEL1
EXTIN
PSEL2
ZCROSS
HVCLK
+5V
+5V
SGND
SGND
S02771
YC302
YC303
YC11
YC03
YC09
YC05
YC12
+24V2
+24V2
PGND
PGND
PAPERN
SWIN
RESIT
TONER
MHVDR
FANL
FANH
THVDR
THERM
PLGCLK
PLGRDYN
PLGDRN
PGND
+24V2
Engine board
KP-882
+5V
HANDSN
GND
+5V
TNFULL
GND
S02509
S02510
S02506
YC07
YC06
YC10
Laser
scanner
unit
LCD
controller
board
KP-886
Transfer roller
Zenner
board
KP-788
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
B9
A10
B10
A11
B11
A12
B12
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
B9
A10
B10
A11
B11
A12
B12
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
13
12
11
10
9
8
7
6
5
4
3
2
1
13
12
11
10
9
8
7
6
5
4
3
2
1
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
14
13
12
11
10
9
8
7
6
5
4
3
2
1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Bias board
KP-884
1
2
1
2
1
2
1
2
Registration
clutch
MP feed
clutch
1
2
3
1
2
3
1
2
Eraser lamp KP-790
MP paper
sensor
1
2
3
1
2
3
1
2
3
Waste
toner
sensor
KP-786
1
2
3
1
2
3
1
2
3
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
1
2
1
2
+24V
FEDDRN
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
1
2
3
4
1
2
3
4
1
2
1
2
1
3
1
3
L
N
L
N
Drum
1
2
3
1
2
3
1
2
3
PF feed board
KP-794
Optional paper feeder
Connector
board
KP-796
1
2
1
2
Parallel I/F
Optional Serial I/F
Optional I/F slot
Memory card slot
USB I/F
YC702
YC701
14
13
12
11
10
9
8
7
6
5
4
3
2
1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
S02772
S02779
18
Inlet
+24V2
Exit
sensor
Registration
sensor
Cassette
switch
Paper
sensor
Developing roller
Cooling
fan
Feed
clutch
Main motor
S02516
LD driver/HSYNC detector
Polygon
motor
Debugger
+24V2
+24V2
PGND
+24V2
PGND
PGND
MHVDR
FAN
THVDR
THERM
RTHVDR
HEATN
HVISEL
SLEEP
PSEL1
EXITN
PSEL2
ZCROSS
+5V
+5V
SGND
+5V
SGND
SGND
+24V1
FAN
PGND
+24V2
THERM
HEATN
SLEEP
EXITN
ZCROSS
+5V
SGND
1
2
3
4
5
6
7
1
2
3
4
5
6
7
Ferrite
core
Wiring diagram