THÔNG SỐ Scan type :Flatbed, ADF. Scan size (flatbed), maximum 297.2 x 431.8 mm . Scan size (ADF), maximum : 300 x 864 mm . Optical resolution :Up to 600 dpi .Bit depth :48-bit .Gray scale levels : 256. Auto document feeder (ADF) : 200 sheets . Multifeed ...