SUNMI NT320 Receipt Printer, Thermal Direct Printing, 76mm Print Width, 203 dpi, 150mm/s, Auto Cutter, Ethernet, USB-C, Bluetooth, Wi-Fi

The SUNMI NT320 is a reliable high-performance receipt printer designed for modern retail and business environments. Utilizing direct thermal printing technology, it eliminates the need for ink or ribbons, delivering efficient and maintenance-free operation for daily transaction needs. With a compact footprint and robust feature set, this printer integrates seamlessly into existing setups to support smooth checkout and order processing workflows.

Advantages

This thermal printer offers a maximum print speed of 150mm/s, ensuring fast receipt generation during peak hours to minimize customer wait times. The 203 dpi resolution produces clear, legible text and graphics for professional-looking receipts. Built with versatility in mind, it features an automatic cutter for clean tear-offs, a gap sensor, and support for specialized linerless rolls. Multiple connectivity interfaces including Ethernet, USB-C, Bluetooth, and Wi-Fi provide flexible deployment options across wired and wireless networks. Additionally, the device is equipped with 128MB RAM and 256MB storage to handle complex print jobs efficiently.

Suitable for

• Printing customer receipts at retail point-of-sale terminals
• Order processing and ticket generation in hospitality and food service environments
• Business operations requiring wireless or wired receipt generation via Ethernet, Bluetooth, or Wi-Fi
• Handling specialized media such as linerless rolls using the built-in gap sensor

When it may not be suitable

This device is specifically designed for receipt and ticket printing and is not suitable for producing multi-page documents, standard office reports, or high-resolution graphics on paper formats larger than the supported print width. Operations requiring archival-grade documents printed on traditional plain paper should use alternative printing technologies.

Key specifications

• Direct thermal printing technology
• 76mm print width
• Media width of 80mm
• 203 dpi print resolution
• 150mm/s print speed
• Automatic cutter mechanism
• Linerless plate and gap sensor support
• Connectivity: Ethernet, USB-C, Bluetooth, Wi-Fi, and RJ12 port
• 128MB RAM and 256MB storage

How to use

Connect the printer to a power source using the appropriate power supply. Load the thermal paper roll, ensuring the paper feeds correctly through the mechanism and past the gap sensor if using specialized media. Connect the printer to your terminal or network using Ethernet, USB-C, Bluetooth, or Wi-Fi. Install any required drivers or software on your host device, send a test print job, and utilize the automatic cutter for clean receipt separation after printing.

What to consider before purchase

• Verify that your software applications and host devices are compatible with the available Ethernet, USB-C, Bluetooth, or Wi-Fi interfaces
• Confirm the required media dimensions, as the unit supports a 76mm print width and 80mm media width
• Assess whether your workflow requires advanced features like linerless roll support and automatic cutting

Usage recommendations: Position the receipt printer on a stable, flat surface away from excessive moisture and dust. Regularly clean the thermal print head and automatic cutter mechanism according to standard maintenance practices to ensure optimal print quality and extend the operational lifespan of the device.