Here is the Driver download link: if your printer is 203dpi, pls choose 200dpi, if your printer is 300dpi,pls choose 300dpi during your installation process https://www.hoinprinter.com/download/39.html
In the off state, press and hold the paper feed button and turn on the switch. The indicator light will start to flash pink → pink and red flash alternately. At this time, release the button and the printer will automatically feed paper to calibrate the paper.
When the printer is turned off, press and hold the paper feed button and turn on the switch. The indicator light flashes pink → flashes pink and red alternately → flashes pink. Release the button and the printer will calibrate the paper and then print out the self-test page.
Strict and serious testing just for perfect printing
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One of the leading thermal printer manufacturer in China, With more than 10 years experiences specialized in thermal receipt printers, thermal label printer, portable printers, KIOSK printers.