Microtek ScanMaker 6400XL Reference Manual page 119

3. Specify file name.
Auto Filename for All jobs: If you check "Auto Filename for All jobs"
option in the Save As dialog box, the filenames for saving are generated in a
sequential manner. For example, simply assign the filename "color" will
spawn color-1, color-2, et. al. The start-up count can be assign at the
"Filename starting index" entry.
Image format: The available image formats are: TIFF (default), BMP, EPS,
JPG, PSD, and SCT. For more information of the image types each file
format support, refer to Appendix E.
4. Upon clicking the Done button, ScanWizard Pro closes the dialog box, and
carries out Batch Scan task.
Done button
Scan to File 111