Thermal receipt printer Star Micronics SM-S230i 203 dpi, USB and Bluetooth

Star Micronics SM-S230i is a portable direct thermal receipt printer with 203 dpi (8 dots/mm) resolution, USB and Bluetooth connectivity. It is designed for mobile point-of-sale environments in retail, hospitality and field service, offering on‑demand receipt printing with a compact form factor, easy paper loading and included accessories such as battery, power supply, USB cable, belt clip and a starter receipt roll.

Advantages

The SM-S230i delivers clear 203 dpi printing at up to 80 mm/s and supports ESC/POS command set for broad compatibility with POS software. Bluetooth with SPP and iOS support enables wireless printing from a variety of devices while USB provides a wired connection. Its compact design, included battery and belt clip make it suitable for mobile use and continuous operation throughout a work shift.

Suitable for

Key specifications

How to use

Load the thermal paper roll according to the top-loading mechanism, connect the power supply or use the included battery for mobile operation, and pair the printer with your device via Bluetooth or connect by USB. Install any required drivers or POS application that supports ESC/POS commands, then test print to confirm alignment and paper feed. Use the belt clip for wearable operation during mobile transactions.

Recommendations

For reliable performance, use thermal paper rolls that match the maximum media width (58 mm) and store the printer away from direct sunlight and high humidity. Charge the battery fully before first use and update firmware or drivers when provided by the manufacturer.