When shopping for a modern document scanner or a multifunction printer (MFP), you will inevitably stumble upon two crucial acronyms: SPDF and DADF .
This is the standard technology found in most entry-level and mid-range printers and scanners. A DADF has only (usually located at the top). difference between spdf and dadf best
Because a DADF requires the paper to reverse direction inside the lid, the paper curls. If you live in a humid environment, that curl becomes a permanent wave, causing a "multifeed" (two pages pulling at once). When shopping for a modern document scanner or