The ScanSnap iX500 for PC and Mac environments scans at up to 25 pages per minute or 50 images per minute in colour, grayscale, or black & white at an impressive 300 dpi resolution. Stack up to 50 pages into the automatic document feeder (ADF) and press the "SCAN" button to scan both sides of each page in a single pass. The iX500 will automatically detect and scan in black and white or colour, will recognize the size of each document and scan accordingly, will detect and correct for skew, will show images in their proper orientation with blank pages removed and will also reduce bleed through. All these intuitive functions help ensure that the first scan is the best scan and minimise operator involvement.