Canon DADF AB1 for ir2520 Attachment Kit is Compatible with Canon image RUNNER 2520, 2520i, 2525, 2525i, 2530, 2530i brands and specifically designed for Canon Printer IR 522520 to deliver fast work, placed in the feeder and automatically fed sheet by sheet to the scanning area. The feeder also automatically turns over two-sided originals to make one or two sided copies. Best Choice for large work groups for print support and large paper capacity.