Toshiba e-STUDIO 281C Printing Manual page 222

3. Printing
NOTE: The selectable values in the Source drop down box vary depending on the optional
devices installed on this equipment and their configuration on the Configuration tab.
222
Source
Select the location from where the interleaving sheet is to be fed. When "Automatic"
is selected, the paper is automatically selected according to the printed document
size.
Duplicate
When you check on this, you can print previous page images on the inserted sheet.
Printing Guide — Printing from Windows