Epson Expression 1680 - Manual (Page 78)

Options 4-9
2. Open the Transparency Unit, then place the slide holder on
the document table. Align the slide holder as shown below.
3. 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.
❏ When scanning transparencies, store the reflective document
mat in the Transparency Unit pocket.
c
Caution:
Do not put anything but the reflective document mat into
the Transparency Unit pocket.