Canon DADF BA1 Duplex Automatic Document Feeder / White

Quick overview from the supplier:

Duplex Automatic Document Feeder Canon DADF BA1 Двусторонний автоподатчик документов для Canon imageRUNNER Advance DX C3700 Series, DX C3822i, DX C3826i, DX C3830i, DX C3835i, DX 4825i, DX 4835i, DX 4845i