Many 58mm thermal printers use the "POS-58" universal driver, which is highly compatible with the ARP-990KC. Step-by-Step Installation Guide
Primarily USB, with some models supporting RJ11 for cash drawers. Troubleshooting Common Issues mini receipt printer arp-990kc driver download
During installation, choose the USB port (usually USB001 or USB002). Many 58mm thermal printers use the "POS-58" universal
💡 Always restart your POS software (like Square, Loyverse, or Shopify) after installing a new driver so the program can "see" the new hardware. To help you get the exact file you need, could you tell me: 💡 Always restart your POS software (like Square,
Plug the USB cable into your PC and power on the printer.
This usually means the wrong "Baud Rate" is set or the driver version is incorrect. Ensure you are using the 58mm driver, not the 80mm version.
Check if the paper is loaded correctly (thermal side facing the print head) or if the cover is securely latched.