POS printer Star Micronics TSP143IIIU — Direct thermal, 203 x 203 DPI, 58/80 mm paper, USB wired

Star Micronics TSP143IIIU is a wired direct thermal POS printer with 203 x 203 DPI resolution designed for receipt printing in retail and hospitality. The model supports two paper widths (58 mm and 80 mm) and accepts rolls up to 83 mm in diameter with media thickness between 65 and 85 µm. The printer connects via a standard USB interface for reliable wired communication and includes built-in barcode formats such as MaxiCode and PDF417. The integral autocutter is specified for up to 2 million cuts. The TSP143IIIU also supports direct USB connection to iOS devices using the supplied Lightning to USB cable, enabling simultaneous charging and printing from iPhone or iPad.

Advantages

The TSP143IIIU combines fast print speed (up to 250 mm/s) with a high 203 x 203 DPI thermal print resolution for clear text and graphics on receipts. Its dual paper-width support and generous roll diameter capacity reduce media changes and increase uptime at busy points of sale. The USB interface provides a stable wired connection for traditional POS terminals across Windows, Android, Linux and Mac systems, while the included Lightning to USB cable enables direct printing from iOS devices without additional wireless configuration. A robust autocutter rated for 2 million cuts contributes to long-term reliability, and bundled software tools for receipt design simplify customization without modifying existing POS software.

Suitable for

• Retail checkouts and point-of-sale counters
• Hospitality outlets such as cafes, bars and restaurants
• Tablet POS and mPOS setups using iPad or iPhone with Lightning to USB
• Back-office POS receipt and ticket printing

Key specifications

• Printing method: Direct thermal
• Print resolution: 203 x 203 DPI
• Maximum print speed: up to 250 mm/s
• Supported paper widths: 58 mm and 80 mm
• Maximum paper roll diameter: 83 mm
• Media thickness: 65–85 µm
• Interface: USB (standard wired)
• Built-in barcode formats: MaxiCode, PDF417
• Autocutter durability: rated for 2,000,000 cuts

How to use

Install a compatible paper roll of the correct width and thickness, ensuring the roll diameter does not exceed 83 mm. Connect the printer to your POS terminal, PC, or compatible device via the standard USB interface; for direct iOS printing, connect using the supplied Lightning to USB cable to an iPhone or iPad. Install any necessary drivers or printer utilities for your operating system (Windows, Android, Linux, macOS) and use the included setup and receipt design tools to configure margins, logos and printable fields. Send print jobs from your POS software or mobile app; the printer will produce thermal receipts without requiring ink or toner.

Usage recommendations

Use quality direct thermal paper within the specified thickness range (65–85 µm) to optimize print clarity and cutter longevity. Avoid prolonged exposure of printed receipts to heat, direct sunlight or solvents to preserve legibility. Schedule periodic inspection of the autocutter and paper path and replace paper rolls before they run out to prevent partial cuts or misfeeds.