Epson LX-300 Service Manual

Appandix
LX-31M Service Manual
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Table A-5. Connector Pin Assignments - CN5
Pin I/o
Signal Name
Function
1
0
HD 7
Head data 7
2
0
HD 1
Head data 1
3 0
HD 5
Head data 5
4
0
HD 3
Head data 3
5 -
HDCOM
Common (VP)
6
-
HDCOM
Common (VP)
7 -
HDCOM
Common (VP)
8
0
HD 2 Head data 2
9
0
HD 9 Head data 9
10
0
HD 4
Head data 4
11
0
HD 8
Head data 8
12
0
HD 6 Head data 6
Table A-6. Connector Pin Assignments - CN6
Pin I/o
Signal Name
Function
1
I
PE PE sensor
2
–
GND Signal ground
Table A-7. Connector Pin Assignments - CN7
Pin I/o
Signal Name Funotion
1
I HP HP sensor
2
- GND Signal ground
Table A-8. Connector Pin Assignments - CN8
Pin I/o Signal Name Function
1 I RELSW Release Lever Position Sensor
2
- GND
Signal Ground
Table A-9. Connector Pin Assignments - CN9,CN1O,CN11
Pin I/o Signal Name
Function
1 – +35
+35 VDC
2 - CS-HOLD
+5
VDC
3 - +5V DC
+5
VDC
4
0 Cs A
CS motor assembly Phase A
5 0 CS-A
CS motor assembly Phase –A
6 0 CS B
CS motor assembly Phase B
7 0 CS-B
CS motor assembly Phase –B
8 - GP
Signal ground
9 I Ccsw
Color ribbon sensor
10 -
GND
Signal ground
Rev.A
A-3

Epson LX-300 Specifications

General

Print Method	9-pin impact dot matrix
Interface	Parallel
Paper Handling	Friction feed, tractor feed
Weight	4.4 kg
Operating Environment	Temperature: 5 - 35°C, Humidity: 10 - 80%