Receipt printer SUNMI NT 311 80mm USB Wi‑Fi — thermal 80 mm roll, USB and wireless connectivity

SUNMI NT 311 is a compact 80 mm thermal receipt printer designed for point-of-sale environments requiring flexible wired and wireless connections. The printer supports standard 80 mm thermal paper rolls and delivers fast, ink-free printing suitable for retail, hospitality and mobile service points. Its small footprint and straightforward setup make it practical for counters, kiosks and mobile POS systems where reliable receipt output is essential.

Advantages

The SUNMI NT 311 offers both USB and Wi‑Fi connectivity to accommodate fixed and mobile deployments without the need for ink cartridges. Thermal printing ensures quiet operation and low maintenance while reducing consumable costs. The compact design saves counter space and supports standard 80 mm rolls for broad compatibility with existing POS workflows. Built for continuous receipt printing, it provides consistent output quality and straightforward integration with compatible POS software.

Suitable for

• Retail checkouts and small shops
• Cafés, restaurants and hospitality counters
• Mobile sales terminals and pop-up points
• Self-service kiosks and ticketing stations

Key specifications

• Printing method: direct thermal
• Paper width: 80 mm (standard thermal roll)
• Connectivity: USB and Wi‑Fi wireless
• Print speed: designed for quick receipt output in POS environments
• Form factor: compact, countertop or portable-friendly design
• Consumables: thermal paper (no ink or toner required)

How to use

Install the SUNMI NT 311 by placing a standard 80 mm thermal roll into the paper compartment and closing the cover according to the user guide. Connect the printer to a host device using USB for a wired connection or configure Wi‑Fi through the printer setup menu to enable wireless printing. Install any required drivers or POS application settings on your terminal so the system recognises the printer. Test a sample receipt to confirm proper paper feed, alignment and print quality before regular operation.

Usage recommendations

Use good-quality thermal paper of the correct 80 mm width and store rolls in a cool, dry place to preserve print longevity. For wireless setups, ensure stable Wi‑Fi signal and avoid placing the printer near strong electromagnetic sources. Regularly clean the paper path and print head as recommended by the manufacturer to maintain consistent print quality and avoid jams.