The acts as the translator. It takes the standard print commands from Windows, Linux, or Android, and converts them into specific instructions regarding heat intensity, paper feed speed, and formatting. Without the correct driver, you might face issues ranging from garbled text and alignment errors to the printer failing to respond at all.
Thermal paper is installed upside down, or the heat density is set too low. Fix: Flip the paper roll. Then go to Printer Properties > Preferences > Advanced > Print Density . Increase the value from 100 to 120 or 130. ocom printer driver