If none of the above work, the LM-390A is likely not compatible with Windows 10. Consider replacing it with a modern label printer (e.g., Brother P-touch, Dymo LabelWriter, or Zebra) that has native Windows 10/11 support.
Windows 10 includes a vast library of native drivers for common printers (HP, Canon, Brother). However, Letatwin (a brand primarily distributed in Asia and niche markets) is not part of Microsoft’s standard driver database. Consequently, when you plug in the LM-390A, Windows might recognize it as an “Unknown USB Device” or assign a generic “Microsoft PnP Printer” driver that provides no functionality. letatwin lm-390a driver for windows 10
(and Windows 11) using the official "LM-390 All Models" driver. Key Features of the LM-390A on Windows 10 Direct PC Connectivity If none of the above work, the LM-390A
Windows 10 (especially versions 1709 and later) enforces . This means any driver without a valid digital signature from Microsoft will be rejected. Many original Letatwin LM-390A drivers from 2010–2015 are unsigned. Therefore, even if you have the original CD, Windows 10 may block the installation. However, Letatwin (a brand primarily distributed in Asia
Letatwin LM-390A Go to product viewer dialog for this item. Driver for Windows 10: Installation & Setup Guide The MAX Letatwin LM-390A