mPOS Receipt Printer Star Micronics MCP31CBI WT E+U 400mm/s Bluetooth USB-C

The Star mC-Print3 MCP31CBI WT E+U is a compact mPOS thermal receipt printer designed for retail and hospitality environments. It supports 58 mm and 80 mm paper widths and prints at speeds up to 400 mm/s. The printer offers USB-C (20W Power Delivery) for direct tablet connectivity and charging, Bluetooth, Ethernet LAN with SteadyLAN, a USB-A peripheral hub and optional WLAN. Built-in Star CloudPRNT and CloudPRNT Next technologies enable direct printing from web shops, food ordering platforms and progressive web applications. The housing is IP22 splash- and dust-resistant and includes a Paper Near End sensor for reliable operation.

Advantages

Small footprint and versatile connectivity make the MCP31CBI suitable for busy counters and compact POS setups. High-speed printing (up to 400 mm/s) reduces customer wait times while USB-C Power Delivery allows simultaneous device charging and connection. Integrated CloudPRNT and CloudPRNT Next provide reliable online ordering and omnichannel printing, and the IP22-rated housing plus Paper Near End sensor improve durability and operational uptime.

Suitable for

Key specifications

How to use

Install the printer on a stable surface and connect it to a tablet or POS system using USB-C, Bluetooth, Ethernet or WLAN as required. Load thermal paper (58 mm or 80 mm) following the top-loading mechanism, ensuring the Paper Near End sensor is active. For tablet use, connect via USB-C to enable 20W Power Delivery for charging while printing. Configure CloudPRNT or local network settings via the printer’s web interface or Star’s configuration tools to enable direct printing from web shops and order platforms.

Recommendations

Use quality thermal paper compatible with 58 mm or 80 mm widths and keep the printer in a clean, dry area to maintain IP22 performance. Enable SteadyLAN when available to stabilise power over Ethernet connections and update firmware to ensure compatibility with progressive web apps and CloudPRNT Next features.