Instruction to load paper
power supply
port
cashbox
port
LAN
port
USB
port
USB
port
headset
jack
serial
port
GND
RXD
TXD
5V
Regular fault debugging
Problems
Solutions
Please check whether the paper roll is put upside down;
Please check whether wrong thermal paper roll is used.
debugging button
TF card slot
Micro USB debugging port
Description of the paper
58 version supports the thermal paper with the size of
57±0.5mm×Ø 60mm;
80 version supports the thermal paper with the size of
79±0.5mm×Ø 60mm.
TF card slot
It is used for external expansion TF memory card.
Micro USB debugging port, debugging button
They are used to debug the device.
Cashbox port
It is used to connect the cashbox, with an electrical impulse of 120ms and no continuous power
supply being provided. This device only supports external connection with 24V/1A cashbox. If
12V cashbox is used, there may be risks that the circuit of the cashbox will be burnt.
Press the ON button for 11 seconds, then the printer is off. Click the ON
button to turn the printer on.
Make sure the cover is closed correctly.
Make sure whether the paper is jammed.
Please check whether the thermal printhead is dirty. If it is, please clean it with swab that
has been dipped in anhydrous alcohol.
Please use quality thermal paper to avoid blur printing due to bad quality of paper.
What if the printer
is dead?
What if the printer
does not work?
What if the printed
paper is blank?
What if the printing
is blur?