Found this almost unused Epson V500 scanner at a surplus store here in the Philippines for 20USD, it has complete documents as well as cords and the film slider. I say today
Scanning Slides - ITS - Carlpedia - Carleton College Wiki
Placing Film or Slides
Review : Epson Perfection V500 Photo Scanner
3D Printable Adapter for Digitaliza Film Holder to Epson v500/v550/v600 Scanners by Thomas Barr
Epson Perfection V500 Photo Color Image Film Negative Scanner for Parts / Repair | eBay
Epson Perfection V500 Photo Scanner Flatbed for Sale in Colma, CA - OfferUp
Epson Perfection V500 Photo Scanner Model J251A w/ AC Adapter & USB Cable TESTED | eBay
faq-97104 | SPT_B11B189011 | Epson Perfection V500 Photo | Perfection Series | Scanners | Support | Epson US