The corresponding file for the TWAIN driver says CORE=TWAIN4NETWORKMAC_FLAT_V2.31. Native Mac OS scanning (via Preview 'Import from' option) still works on my iMac According to the associated ICDM version.txt file, it is version CORE=ICDM_FLAT_V2.01.43. Select your scanner in the list at the left, then click Open Scanner on the right. Open Printers & Scanners preferences for me. Choose Apple menu > System Preferences, then click Printers & Scanners. The following version: 1.0 is the most frequently downloaded one by the program users. The software lies within Office Tools, more precisely Document management. This free software is a product of Samsung. Well, it seems that I have spoken too soon. Connect your scanner to your Mac, plug it in, and turn it on. The 1.05.7 version of Samsung Scan Assistant is available as a free download on our software library.