Print film has been used in the past with some success. I have found Ektachrome to work very well. In cases where you may want to limit yourself to primary colors, you can try Ektachrome HC 100 film. This is a high contrast film, that has produced reasonable results. The film recorder is calibrated to film types, so I have no control over exposure times.
Processing is done once a day, as a rule.
However you should contact them for confirmation. There are many other programs that support this feature. Consider your fonts with care. If you are using any font other than the standard 13 printer fonts, please let me know. In addition to powerpoint images, PICT, JPG, Scrapbook and TIFF images are acceptable.