Thermal Printing Technology

• Uses direct thermal method: no ink or toner. Instead, the printer head heats up and activates heat-sensitive thermal paper, which changes color (usually to black). 

• Because there’s no ink, these printers are low-maintenance and cost-effective. 

Bluetooth Connectivity

• They pair with devices like smartphones, tablets, laptops, or POS systems via Bluetooth.

• Some models also support USB, Wi-Fi, or other interfaces, giving flexibility. 

• For example, the TVS-Electronics MP 280 supports Bluetooth 4.2. 

  Key Features to Consider

  • Print Size / Paper Width: Common sizes are 58 mm (small receipts) or 80 mm (wider receipts). 

  • Print Speed: Varies by model; for instance, the Atpos AT-602 can go up to 152 mm/s. 

  • Resolution: Often around 203 dpi (dots per inch) for a clean print. 

  • Battery: Many portable thermal Bluetooth printers run on a rechargeable lithium battery. E.g., a 2000 mAh battery for some 58 mm models. 

  • Paper Roll Loading: Good printers offer easy paper loading to minimize downtime. 

  • Sensors: There could be sensors for paper end, cover open, and sometimes black-mark or gap sensors (especially for label printers). 

  • Command / Language Support: Many use ESC/POS command set (common in POS printers).

  • Durability: The thermal head’s life is measured in kilometers of paper printed (e.g., 50 km for some models). 

  • Extras: Auto-cutting (on some larger printers), battery saver modes, standby/wake, paper detection, etc. 

    Advantages / Benefits

    • No Ink / Low Running Cost: Because of thermal printing, you don’t need cartridges.

    • Portability: With a Bluetooth connection and battery, it's very mobile — good for on-the-go billing, delivery, ticketing.

    • Speed: Thermal printers are typically fast, especially for text/receipt prints.

    • Reliability: Fewer moving parts compared to traditional printers; less likely to break.

    • Quiet: Thermal printers don’t make as much noise as impact printers.