Service manual

11
TTP-244 Plus Bar Code
Printer Service Manual
3. ELECTRONICS
3.1 Summary of Board Connectors
Main board
Connector
Description
Remark
1
Ribbon sensor connector
JP18
2
Black mark sensor connector
JP46
Pin
Description
Voltage
1
Power
5V
2
Black mark
sensor receiver
No paper or black mark : 3.1~3.2V
Detect paper: 0~0.3V
3
GND
0V
1
2
3
9
6
7
12
8
4
10
13
5
14
11