Epson EPL-N3000 Service Manual page 427

EPSON EPL-N3000/AcuLaser M4000N
§8 OPTION DUPLEX
Signal Line Name
FAN ALARM Fan monitor signal. Turns High when an error has occurred in
operation of the FAN DUPLEX.
/DUP SNR ON Signal from the SENSOR DUP. Light received: Low
/DUP COVER OPEN Signal from the SWITCH DUPLEX. Turns Low when the cover
(COVER HSG DUP) of the Duplex has been closed.
A and B Phase A and B excitation signals of MOTOR Option Duplex
/A and /B
Phase /A and /B excitation signals of MOTOR Option Duplex
HARNESS HARNESS
HVPS/ MCU
ASSY LVPS ASSY DUP
PL12.1.19
PL12.1.1 PL21.1.7
P/J27
P/J2750
24V DC
8 1 10
RTN
7
2 9
24V DC
6 3 8
RTN
5 4 7
3.3V DC
4
5 6
LG
3 6 5
TXD
2 7 4
RXD
1 8 3
N.C. 9 2 N.C.
N.C. 10 1 N.C.
Figure 7-17. Components Connection Wiring Diagram (Option DUPLEX)
Appendix
Description
PWBA DUPLEX
PL21.1.32
P/J50
P/J54
FAN DUPLEX
24V DC
1
PL21.1.33
1 24V RTN
2
FAN ALARM
2
3
3
4 SENSOR DUP
HARNESS ASSY
PL21.1.34
5
DUP SNR PL21.1.35
6
P/J53 P/J530
Pull Up 3.3V
1 3
7
LG
2 2
8
/ DUP SNR ON
3 1
HARNESS ASSY
DUP COVER
PL21.1.31
P/J52 P/J520
SWITCH
LG
1 2
DUPLEX
/ DUP COVER OPEN
2 1
PL21.1.27
P/J51
MOTOR
24V DC
1
DUPLEX
A
2
PL21.1.29
B
3
/ A
4
/ B
5
HARNESS ASSY
ASSY DUP EARTH
PL21.1.28
P/J56 P/J560
Wiring Diagrams and Signal Information
§9 OPTION OCT
Signal Line Name
Phase A and B excitation signals of MOTOR ASSY OCT and MOTOR
A and B
ASSY OFFSET.
DIR SOL FUKKI
Control signals of SOLENOID ASSY GATE.
DIR SOL KYUIN
Signal from the S/W REAR COVER. Goes Low when the rear cover
/REAR COVER OPEN
(COVER REAR) of the OCT is closed.
HARNESS ASSY HARNESS ASSY
OCT1 OCT2
PL12.1.26 PL23.1.25
HVPS/
P/J30 P/J3070 P/J70
MCU
24V DC
8 1 1 1
PL12.1.19
RTN
7 2 2 2
24V DC
3 3
6 3
RTN
5 4 4 4
3.3V DC
5 5
4 5
LG
6 6
6
3
TXD
7 7
2 7
RXD
8 8
1 8
N.C. 9 9 N.C.
N.C. N.C.
10 10
Figure 7-18. Components Connection Wiring Diagram (Option DUPLEX)
Revision C
Description
HARNESS ASSY
OCT MOT
PL23.1.46
PWBA OCT
P/J71 P/J710
PL23.1.22 MOTOR
24V DC
1 5 1
ASSY OCT
A
2 4 2
PL23.1.6
B
3 3 3
/A
4 2 4
/B
5 1 5
P/J72
N.C.
1
MOTOR
24V DC
2
ASSY
A
3
OFFSET
B
4
PL23.1.20
/A
5
/B
6
P/J75
DIR SOL FUKKI
3 SOLENOID
24V DC
ASSY GATE
2
DIR SOL KYUIN
PL23.1.27
1
HARNESS ASSY
OCT SNR
PL23.1.26
P/J73 P/J730
Pull Up 3.3V
1 3
LG
2 2
/ OCT SNR ON
3 1
HARNESS ASSY
REAR COVER
PL23.1.29
P/J74 P/J740
LG
2
2
Sensor
/ REAR COVER OPEN
1 1
Full Stack
Sensor
Offset
Confidential
SENSOR
OCT
PL23.1.30
S/W REAR
COVER
PL23.1.18
427