10 80MM Thermal Receipt Printer User Manual
Failure Analysis
Failure phenomenon
Failure cause
Solution
Printer paper indicator and Error indicator
flashing at same time, and make a Di Di...
beep sound
Printer lack of paper
Install paper correctly
Printer error flashing and make a Di
Di...beep sound
1. The printer head is
too hot
2. The flip not closed
well
1. Open the cover and dissipate heat fully
then go on printing.
2. Cover the flip well.
When the printer prints only paper run
but not print
Print paper install
reverse
Please install the print paper for an opposite
direction
The printer print fuzzy
The print head not
clean for a long time
Put cotton dipped in anhydrous alcohol and
gently wipe the printer core ceramic parts
until clean enough
The character color in
thermal paper no good
Please choose high quality thermal paper
There is no response of printer
The power adaptor not
connected
Please check power adaptor is connected
well or not, power switch is turn on or not
Printer can self-test, but cannot print
online
Driver port selection
error
Please select the correct print driver port
based on the actual connection port
Printer serial port does not print or print
garbled
Bit rate selection error
Please set the COM baud rate according to
the COM info on self-check page
