Epson Expression 636 User Manual page 43

2. Hold up the clear plastic flap and insert the transparency or
slide in the transparency guide, as shown below.
3. Place the transparency guide containing the transparency or
slide face down on the scanner's document table, aligning it
in the upper right corner as shown below.
4. If the reflective document mat is in place, remove it from the
transparency unit.
5. Close the transparency unit. (If you do not close it
completely, an option error results and you cannot scan the
document.)
Options 3-9