Epson Perfection V500 - Manual (Page 39)

Place the film holder on the document table so that it is aligned as shown. Make sure the
tab labelled “C” on the film holder fits into the area labelled “C” on the scanner.
Place up to four slides in the film holder with the shiny base side facing down. Your images
should appear backwards on the side that faces up. Your images should be oriented as
shown.