Epson EPL-N3000 Service Manual page 423

EPSON EPL-N3000/AcuLaser M4000N
§4 ROS ASSY,INTERLOCK S/W 5V, SWITCH I/L ASSY
Signal Line Name
Synchronizing signal generated by the SOS Sensor, which orders starting each
/SOS
scanning.
/PCONT Sample/hold circuit. Low = sample (LD forced lighting) High = hold
Laser output control signal which determines or adjusts the current flowing in the
Vref
Laser Diode.
Laser output monitor signal which feeds back the output of laser beam emitted by the
MO/DET-OUT
Laser Diode (analog signal).
Control signal which permits the emission of light of the Laser Diode. High: Laser
/LDENB
Diode OFF
XP DATA+
Print image data.
XP DATA-
Scanner Motor Control signal which turns on and off the Scanner Motor.
/ROSMOT ON
Low: ON / High: OFF
/ROSMOT CLK Clock signal to the ROS MOTOR
EPL-N3000
HARNESS ASSY ROS
PL8.1.2
HVPS/ MCU
PL12.1.19
P/J14
5V DC
1
SG
2
/SOS
3
/PCONT 1
4
Vref
5
MO/DET-OUT
6
/PCONT2
7
/LDENB
8
P/J17
XPDATA 2+
1
XPDATA 2-
2
P/J16
XPDATA 1+
1
XPDATA 1-
2
P/J13
24V DC
1
24V RTN/SG
2
/ROSMOT ON
3
/ROSMOT CLK
4
Figure 7-11. Components Connection Wiring Diagram 4 (EPL-N3000)
Appendix
Description
DATA+>DATA-: Lighting
DATA+<DATA-: Light out
HARNESS ASSY
LVPS(5/6)
INTERLOCK
P/J141 P/J142
PL12.1.1
S/W 5V
1 2 1 2
PL8.1.12
2 1 2 1
SWITCH I/L ASSY PL1.1.11
Interlock
P/J144
S/W 5V R
1 2
2 1
P/J411
Interlock
1 3 S/W
1 A
N.C. N.C. Front R
2 2
3 1
ROS ASSY PL8.1.1
LDD
P/J140
8
7
SOS
P/J201 P/J2011
6
5VDC AFT
1 3
5 /SOS
2 2
SG
4
3 1
3
2
1
P/J170
2
1
P/J160
2
1
P/J131 P/J130 Scanner
1 4 5
2 3 4
3 2 3
2
4 1 1
Wiring Diagrams and Signal Information
AcuLaser M4000N
HARNESS ASSY ROS
PL8.1.2
N.C.
HVPS/ MCU
PL12.1.19
P/J14
5V DC
1
SG
2
/SOS
3
/PCONT 1
4
Vref
5
MO/DET-OUT
6
/PCONT2
7
/LDENB
8
P/J17
XPDATA 2+
1
XPDATA 2-
2
P/J16
XPDATA 1+
1
XPDATA 1-
2
P/J13
P/J14
24V DC
1
24V RTN/SG
2
/ROSMOT ON
3
4
/ROSMOT CLK
4
7
8
Figure 7-12. Components Connection Wiring Diagram 4 (AcuLaser M4000N)
Revision C
HARNESS ASSY
LVPS(5/6)
P/J141 P/J142
PL12.1.1
HARNESS ASSY
1 3 1 3
INTERLOCK3
2 2 N.C. N.C. 2 2 N.C.
PL8.1.12
3 1 3 1
ROS ASSY 45-1200
LDD
P/J140 PL8.1.1
8
7
SOS
P/J201 P/J2011
6
5VDC AFT
1 3
5 /SOS
2 2
SG
4
3 1
3
2
1
P/J170
2
1
P/J160
2
1
P/J131 P/J130 Scanner
5
1 4
2 3 4
3
3 2 3
4 4 2
4 1 1
Confidential
423