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APPENDIX
II. GENERAL CIRCUIT DIAGRAM
A. Engine Controller PCB
J201
J203
1
2
1
2
J203M
J203F
J208M
J208F
J801F
J2
J801M
J802F
PD
LD
+5V
R0
BD
GND
J802
LD801
IC802
J004FJ003F
PS003PS002
M
M001
J211M
J211F
+5V
GND
/PISNS
+5V
GND
PAPERSNS
J401
MA
/MA
MB
/MB
J204M
J204F
+24V
CPUD
SL
SL001
J205M
1
2
3
4
5
6
SW101
AC-H
AC-N
INL101
FG
1
2
3
13
J102F
J102M
SW301
PS201
FSRTH
GND
1
2
J206
2
1
J703L J703D
1
2
J703LH
1
2
2
1
2
1
J702F J702M
H1
FU701
J007F
/CLK
/SO
/SI
/STRB
GND
+5V
+24V
/ACC
/DEC
GND
+5V
GND
VDO
/VDO
CNT1
CNT0
/BDI
+3.3V
GND(+24VM)
+24VM
+24VM
GND(+24VM)
GND
+3.3V
+5V
GND
/SCLK
/SC
/BD
/RESET
/VDO
VDO
GND
GND
+5V
+3.3V
+3.3V
GND
HOT
NEUTRAL
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
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
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
4
3
2
1
3
2
1
3
2
1
4
3
2
1
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
1
2
1
2
13
SW201
TH701
+24V
GND
J305
FILM BIAS
FILM
PRESSURE
ROLLER
J601
SOLD23
SOLD24
LED601
SOLD2
SOLD1
SOLD4
SOLD3
SOLD6
SOLD5
SOLD8
SOLD7
SOLD10
SOLD9
SOLD12
SOLD11
SOLD14
SOLD13
SOLD16
SOLD15
SOLD18
SOLD17
SOLD20
SOLD19
J304
PR
J302
TR
J301
DV
J103 J303 J212 J202
1
2
J703F
Scanner
motor
Laser drive
PCB unit
Laser FPC
unit
Engine controller PCB
HVT connector
Paper-out
sensor
Paper top
sensor
Main motorPick-up
solenoid
Test print switch
Interface controller PCB
Paper delivery
sensor
Door open
detection switch
Toner cartridge
Fixing film unit
Display
unit
108


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