Epson Expression 1680 - Manual (Page 76)

Options 4-7
3. Replace the strip cover that you removed in step 1. Repeat
steps 1 through 3 for all the film strips you scan.
4. Open the Transparency Unit, then place the film strip holder
on the document table and align it as shown below.
5. If the reflective document mat is installed on the
Transparency Unit, remove it, then close the Transparency
Unit.
Note:
❏ Make sure the Transparency Unit is completely closed.
Otherwise an option error will occur and scanning will be
cancelled.