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The POS9210L is a standard 80mm thermal receipt printer. Internal analysis of similar models indicates that while the exterior branding varies, the internal chipset remains consistent across the "POS92xx" series.
Because the hardware uses standard ESC/POS command language, it does not strictly require a proprietary driver to function, provided a compatible UPD or generic text driver is used.
As the POS9210L is ESC/POS compliant, it can often utilize the Epson TM-T20II or TM-T88V drivers (built into Windows or available via Windows Update).
Note: For full graphics (logos, barcodes), use Microsoft POS for .NET or install OPOS driver from your POS software vendor.