Visit support.hp.com and search for "Samsung SCX-4521F." Navigate to the "Software, Drivers and Firmware" section. Look for a package named "Samsung Universal Print Driver" or specifically "SmartThru 4." As of 2025, the available file is typically version 4.00.43, dated circa 2013. Note: This version officially supports up to Windows 8.1.
SmarThru 4 was designed as the central hub for the Samsung SCX-4521F, transforming it from a simple printer into a complete "work center" for small or home offices. Its primary functions included: Scanning Control smarthru 4 samsung scx4521f software download new