TWAIN is the protocol that lets scanners talk directly to software like Photoshop, Word and OCR tools. Here's what it is, how it works, and how it compares to WIA and ISIS....
When your multifunction printer scans a document, that file has to land somewhere: your desktop, a shared drive, someone's inbox. Push scanning and pull scanning are the two ways that happens, and they work in opposite directions. Set up the wrong one for your office...
This guide covers what actually determines AirPrint compatibility, which printer brands support it and which don't, how to set it up properly the first time, and how to fix the most common errors when it stops working....