This is a known scaling issue. In the driver’s Printing Preferences → Advanced → Page Size → Select "Label (Roll)" instead of "Letter." Then, in Adobe Reader, set Page Scaling to "None."
: Click the download link (usually a .zip or .exe file). Step 2: Installation Process sewoo lkt210 driver download upd 2021
This procedure mirrors the official Sewoo 2021 installation guide for the LK-T210. This is a known scaling issue