Epson ActionLaser 1300 EPL-3000 Service Manual page 93

Connector
Main Board (C144 MAIN Board)
Centronics parallel interface
Connector for optional l/F (Type-B) card
Not used
Connector for ROM SIMM
Connector for RAM SIMM
Video l/F (not used)
Connector for power supply board (PWB-E board)
Connector for thermistor
Connector for paper exit sensor
Connector
Connector for optical unit
Not used
Power Supply Board (PWB-E Board)
Connector for fan motor
Connector for main motor
Connector for main board (C144 MAIN board)
Connector for interlock switch
High-Voltage Supply Board (PWB-F Board)
Connector for paper take-up solenoid
Pin No.
1-6
7
8
9
10
11
12
13
14
15
16
17
18
19-24
25-28
29-36
Rev. A
Table A-1. Board Connector Summary
Description
for high-voltage supply board (PWB-F board)
Table A-2. CN2 Pin Assignments
I/o
Signal Name
o
TXD
READY 0
RXD
—
NC
o
RESET
0
INH
I
I
WRRDY
I
WR o
0
0
—
GND
o
A3-AO
D7-DO
Description
+5 VDC
Transmitted data
Ready signal
Received data
Not connected
Reset signal
l/F disabled
Request command
l/F ready
Data read request
Write enable
Read enable
Chip select
Ground
Address bus bit 3-O
Data bus bit 7-O
Appendix
Reference
36 pins Table 1-8
36 pins Table A-2
—
16 pins
—
84 pins
72 pins Table A-3
72 pins Table A-4
20 pins —
10 pins Table A-5
2 pins Table A-6
3 pins Table A-7
9 pins Table A-8
Table A-9
13 pins
—
2 pins
2 pins Table A-1 O
5 pins Table A-1 1
10 pin Table A-5
2 pins Table A-1 2
2 pins Table A-1 3