Epson WorkForce Pro WF-7820 All-in-One Inkjet Printer - Manual (Page 114)

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Copying option Available settings Description
Finishing Group (Same
Pages) Select to print multiple copies of a multi-page document in
unordered groups
Collate (Page
Order) Select to print multiple copies of a multi-page document in
ordered sets
Mixed Size
Originals Off Copies a combination of sizes in the ADF at the same time.
When using these combinations, originals are copied at the
actual size of the originals. Place your originals by aligning
their widths as shown.
On