A.1.1 Engine Controller Board (PWB-A Board)
Table A-3 PWB-A, C207 MAIN Board CN1 (Video I/F)
Pin
Signal Name
I/O
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
+5V
+5V
RESET
PRRDY
STS
CTBSY
SRCLK
TOD
GND
HSYNC
+5V
—
EPRDY
ETBSY
CMD
PRINT
CPRDY
GND
VIDEO
GND
-
-
O
I
I
O
O
I
-
I
-
I
I
O
O
O
-
O
-
+5 V (Logic power source)
+5 V (Logic power source)
Engine initialize signal
Engine print enable signal
Communication with the engine controller
Command transmit signal
Clock signal
Engine ready signal
Signal ground
Horizontal synchronous signal
+5 V (Logic power source)
Not used
Engine current status signal
Engine status transmit signal
Communication with engine controller
Print start command
Controller current status signal
Signal ground
Video data
Signal ground
Table A-4 PWB-A CN2 (Printhead Unit)
Pin
Signal Name
I/O
Description
1
2
3
4
5
6
7
8
9
10
11
12
SSCAN
LD.MONITOR
DA2
DA1
GND
LDATA
+5V
+24V
GND
POLYGON_MOTOR
POLYGON_CLOCK
POLYGON_LOCK
I
I
O
O
-
O
-
-
-
O
O
I
Vertical synchronous signal
Laser power detection signal
Laser power adjust signal 1
Laser power adjust signal 2
Ground
Laser drive signal
Laser diode drive power source
Polygon motor drive power source
Ground
Polygon motor drive signal
Polygon motor clock
Polygon motor lock signal
Table A-5 PWB-A CN3 (Paper Near Empty Sensor: PNE1)
Pin
Signal Name
I/O
Description
1
2
3
ANODE
GND
PNE1
-
-
I
Sensor drive signal
Ground
Detection signal
Appendix
EPL-N2000 Service Manual
A-4
Rev. A
Summary of Contents for EPL-N2000
Page 1: ...EPSON TERMINAL PRINTER EPL N2000 SERVICE MANUAL EPSON 4006861 ...
Page 8: ...REVISION SHEET Revision Rev A Issued Date November 17 1996 Revision P a g e 1st issued ...
Page 131: ...Chapter 4 Adjustment No adjustment is required in this product ...
Page 133: ...Troubleshooting EPL N2000 Service Manual 5 2 Rev A ...
Page 167: ...A 2 Exploded Diagrams Figure A 2 Housing Appendix EPL N2000 Service Manual A 18 Rev A ...
Page 168: ...Figure A 3 Frames EPL N2000 Service Manual Appendix Rev A A 19 ...
Page 169: ...Fifure A 4 Paper Takeup Section 1 Appendix EPL N2000 Service Manual A 20 Rev A ...
Page 170: ...Figure A 5 Paper Takeup Section 2 EPL N2000 Service Manual Appendix Rev A A 21 ...
Page 171: ...Figure A 6 Drive Unit Appendix EPL N2000 Service Manual A 22 Rev A ...
Page 172: ...Fifure A 7 Transfer Unit EPL N2000 Service Manual Appendix Rev A A 23 ...
Page 173: ...Figure A 8 Fusing Unit Appendix EPL N2000 Service Manual A 24 Rev A ...
Page 174: ...Figure A 9 Paper Cassette Unit EPL N2000 Service Manual Appendix Rev A A 25 ...
Page 175: ...Figure A 10 Lower Paper Cassette Standard Appendix EPL N2000 Service Manual A 26 Rev A ...
Page 176: ...Figure A 11 Lower Paper Cassette Optional EPL N2000 Service Manual Appendix Rev A A 27 ...
Page 177: ...Figure A 12 Optional Duplex Unit Appendix EPL N2000 Service Manual A 28 Rev A ...
Page 188: ...EPSON ...