Epson Expression 1680 - Manual (Page 80)

Options 4-11
3. Close the cover. Repeat steps 1 through 3 for all the film you
scan.
4. Open the Transparency Unit, then place the film 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.