CSN-A1 user manual
9
Power XH03/2.54mm
No.
Pin
Definiton
1
VH
power
2
null
3
GND
ground
RS232 PH04/2.0mm
No,
Pin
Deifinition
1
DTR
Flow control
2
TXD
Data send
3
RXD
Data receive
4
GND
Ground
TTL PH04/2.0mm
No.
Pin
Definiton
1
DTR
Flow control
2
TXD
Data send
3
RXD
Data receive
4
GND
Ground
6. Basic usage
6.1 Self-test page printing
Press the K1 button on the control board to print a self - test page.
6.2 LED indicator
After power on, the red status indicator light on the control board will be on and off twice,
with an interval of 1 second, indicating that the start is normal. Afterwards, the indicator
light is shown as below,
Flash 1: working normally
Flash 2: the mechanism is not connected or the temperature is too low
Flash 3: paper end
Flash 5: Mechanism is overheating
6.3 Paper roll installation
1. Open the printer upper cover;
2. Put the back of the roll up;
3. close the upper cover of the printer and leave the paper slightly exposed.
Note: before installing the paper roll, please tear the adhesive paper affixed on the paper
roll clean, No foreign matter shall remain, to protect the printer head.