Epson B813021 - Manual (Page 8)

Scanning Normal (Reflective) Documents
When you return to scanning normal reflective documents, you
should always insert the reflective document mat included with this
unit. Also, make sure you remove the transparency document
guide from the scanners document table.
Insert the reflective document mat as described below.
1. Open the transparency unit.
2. Insert the reflective document mat.
3. Position the reflective document and close the unit.
To remove the reflective document mat, lift up on the mat and pull
it out of the transparency unit.
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