The is a classic workhorse, but getting its specialized SmarThru 4 software to run on modern systems can be a challenge. Since HP acquired Samsung's printer division, the primary source for these downloads has moved to the HP Customer Support portal.
Manage and send faxes directly from your PC without needing to use the printer’s physical keypad.
This guide covers everything you need to know about downloading, installing, and using SmarThru 4 to unlock the full potential of your multifunction printer. What is Samsung SmarThru 4?
Ensure the site has correctly detected your operating system (e.g., Windows 10 or 11). If SmarThru 4 is not listed for Windows 11, try selecting Windows 7 from the dropdown menu, as the older software package is often compatible via Compatibility Mode .
Convert scanned documents into editable text with Optical Character Recognition.
Look for the "Software" tab (distinct from "Drivers"). Download the file usually named Samsung_SCX-4x21_SERIES_SP.exe or similar. Installation Steps For the most stable setup, follow these steps: SmarThru4 - Download
