3LM
2-4-3
Wiring diagram
1
7
PFPWSW1
PFPWSW2
2
8
YC3
YC2
4
4
5
3
1
1
UP DIG0
FCL REM
4
4
1
1
1
2
PFCCL
PFLM1
PFLM2
LC4SW
EPWB
3
3
6
4
2
2
UP DIG1
2
2
7
1
3
3
UP DIG2
24V
2
1
1
2
PFPFCL1
2
1
1
2
PFPFCL2
2
1
1
1
8
2
4
4
GND
5
5
4
6
3
5
UP SIG2
15
15
5
5
GND
7
7
4
4
UP SIG1
11
11
3
3
ULM OUT SINK
14
14
2
2
ULM OUT SOR
12
12
1
1
1
1
7
7
5V
2
2
6
6
GND
5
5
LFEED SW
1
7
LO SIG2
16
16
5
5
2
8
GND
9
9
4
4
4
4
5
3
11
11
LO DIG0
LO SIG1
13
13
3
3
3
3
6
4
12
12
LO DIG1
LLM OUT SINK
10
10
2
2
2
2
7
1
13
13
LO DIG2
LLM OUT SOR
8
8
2
2
LFCL REM
6
6
1
1
1
1
8
2
14
14
GND
5
5
4
6
UFCL REM
5
24V
5
3
5
3
3
4
2
5
1
2
4
1
5
24V
3
3
PFFSW
3
3
2
2
1
1
8
8
GND
9
9
PUSH SW
10
10
NC
PFPLSW2
PFPLSW1
1
1
4
4
GND
2
2
3
3
UPCLE SW
1
1
2
2
GND
2
2
1
1
LPCLE SW
YC1
YC8
15
11
15 NC
PFPSW1
PFLSW1
PFPSW2
PFLSW2
2
8
5
11 NC
1
1
1
7
1
5 NC
2
2
4
6
8
1 5V
3
3
3
5
13
8 UCPESW
6
4
2
13 GND
1
1
5
3
7
2 5V
2
2
8
2
14
7 UCLLSW
3
3
7
1
2
5
1
6
6
1
5
2
4
3
3
4
1
3
4
6
8
10
PSPWB
7
5
1
2
3
1
14 GND
16
12
16 NC
6
12 NC
6 NC
2
8
1
1
1
7
2
2
4
6
4
4 5V
3
3
3
5
10
10 LCPESW
6
4
17
17 GND
Machine
1
1
5
3
3
3 5V
YC5
2
2
8
2
9
9 LCLLSW
UFEED SW
3
3
11
11 UFEED SW
3
3
7
1
1
6
2
5
3
4
4
3
5
2
6
1
1
6
2
5
3
4
4
3
5
2
6
1
18
18 GND
READY
4
4
10
10 READY
SDI
5
5
9
9 SDO
YC4
SDO
6
6
8
8 SDI
1
1
1
1
24V
SCLK
7
7
7
7 SCLK
2
2
2
2
GND
SEL
8
8
5
5 SEL
PFDM
3
3
3
3
START/STOP
5V
2
2
4
4 5V
4
4
4
4
CLOCK
GND
1
1
3
3 GND
5
5
5
5
GAIN
6
6
6
6
LD
7
7
7
7
CW/CCW
GND
10
10
2
2 GND
24V
9
9
1
1 24V
PFCH
PFMPWB
1
1
12
12 AC(L)
2
2
6
6 AC(N)
Summary of Contents for PF-720
Page 1: ...PF 720 Option Copier SERVICE MANUAL Code Y112020 4...
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Page 61: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 04 2010 1ST EDITION 61 Y112020 4...