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TX200/ TX300/ TX600
Bar Code Printer Service Manual
8
7
5V DC connector
J200
8
Buzzer (Factory option)
BZ600
9
Ethernet connector
J300
10
Micro SD card slot
J100
11
USB Device connector
J202
12
USB Host connector
J203
13
Feed key and LED connector
J701
Pin
Description
Voltage
1
GND
0V
2
LED1 red
:
Warning
LED light on: 3.3V
LED light off: 0V
3
LED2 red
:
No paper
LED light on: 3.3V
LED light off: 0V
4
LED3 red
:
No ribbon
LED light on: 3.3V
LED light off: 0V
5
LED4 red
:
Openings
LED light on: 3.3V
LED light off: 0V
6
Power
3.3V
7
LED5 green
:
Startup
LED light on: 3.3V
LED light off: 0V
8
LED6 orange
:
waiting
LED light on: 3.3V
LED light off: 0V
9
LED7 orange
:
Clean TPH
LED light on: 3.3V
LED light off: 0V
10
LED8 blue
:
WiFi/BT
LED light on: 3.3V
LED light off: 0V
11
Feed switch
0V: Push key
3.3V: Stand-by
12
GND
0V
14
LCD key connector
J702
Pin
Description
Voltage
1
KEY1
:
Down switch
0V: Push key
3.3V: Stand-by
2
KEY2
:
Left switch
0V: Push key
3.3V: Stand-by
3
KEY3
:
Right switch
0V: Push key
3.3V: Stand-by
4
KEY4
:
Up switch
0V: Push key
3.3V: Stand-by
5
KEY5
:
Menu/Back switch
0V: Push key
3.3V: Stand-by
6
KEY6
:
Feed switch
0V: Push key
3.3V: Stand-by
7
GND
0V