Using the Océ TDS800 to scan-to-file 77Note: Only choose ‘Group 4’ or ‘Group 3-1D’ when you are sure you can usethese compressions afterwards. Choose ‘None’ in any other case.Note: If you scan greyscales or dark originals then use Group 3-1Dcompression. In these cases group 4 can increase the file size.Note: ‘Group 4’ or ‘Group 3-1D’ are compression methods which areoptimized for text and vector drawings. If you choose these compressions whenscanning a photo with many greyscales these compressions can result in anegative compression: the file size increases instead of decreases. So use thesecompressions with care.PDF compressWithin the ‘PDF compress’ option, you can define the ‘Compression’ of thefile.Compression can be (select with the arrow keys):■ Group 4■ NoneNote: Only choose ‘Group 4’ when you are sure you can use this compressionafterwards. Choose ‘None’ in any other case.ResolutionThe Océ TDS800 scan-to-file option allows you to scan at the following threeresolutions:■ 200 dots per inch (dpi)■ 300 dpi■ 400 dpiThe higher the resolution the better the image quality. Higher resolution alsoleads to larger file sizes. The default value is 200 dpi.
