– if your scanner is TWAIN-supporting, it will show up there, and you just need to select it and click on the “Add”-button – that will bring up the “Add”-window, which enables you to add a new printer or scanner – then, just below in the list of printers on the left, click on the “+”-sign – connect your scanner directly to your Mac using a USB-cable Here’s a quick step-by-step instruction : In OSX 10.7 Lion, 10.8 Mountain Lion, 10.9 Mavericks and 10.10 Yosemite, any TWAIN-supporting scanner can be used without any additional software.Ī list of supported scanners for OSX 10.9 Mavericks can be found here. But now I’ve bought a new Mac which runs OSX 10.10 Yosemite, I can’t seem to install it, since Canon doesn’t update the drivers anymore. I have a Canon CanoScan LiDE 20 that used to work perfectly in MacOSX 10.6 Snow Leopard. UPDATE : an updated version of this post can be found here :įixed : use unsupported scanner in OSX 10.11 El _Capitan