Caysn KP80 - 5.4 Ethernet Interface Pinout; 6 Faults Handling; 6.1 Printer Not Working; 6.2 Buzzer Warnings

Thermal Label printer User’s manual
5.4 Ethernet interface pin definition（RJ45）
Pin number
Definition
1
TX+
2
TX-
3
RX+
4
n/c
5
n/c
6
RX-
7
n/c
8
n/c
6 Faults handling
Please refer to the methods as below when printer can’t work normally. Please contact your supplier directly
if it still can’t work normally.
6.1 Printer does not work
Problems
Probably reasons
Solutions
The Power indicator is not light.
Printer does not work
Printer is not power on.
Power on printer
Printer switch is not on.
Press down the “O” side of printer button
PCB is damaged
Contact with agents or factory directly
6.2 Buzzer warning and trouble shooting
Problems
Probably reasons
Solutions
Buzzer sounded 3 times
Printer paper out
Load a new paper roll,be sure the paper
correctly loaded
Buzzer sounded 5 times
Print head is overheated
Power off printer power, and wait that
print head temperature returns
normal.Then continue to work.
Buzzer sounded 6 times
Paper cover isn’t closed
Check that the cover is completely
closed
Buzzer sounded 8 times
Printer label calibration failed
Open the upper cover,place the label
paper in the correct position and close
the upper cover,the label will relearn
automatically
6.3 Problems when it is printing
Problems
Probably reasons
Solutions
Color strips occur on
the paper
Paper maybe out
Load a new paper roll.