TA Triumph-Adler P-C2660 MFP - Manual (Page 132)

Basic Operation
3-22
6 Select the Basic tab and click the Print Size 
button to select the paper size to use for printing
from the list.
To print on the special paper such as thick paper or
transparency, click the Media Type menu and
select the media type.
7 Click Source and select the paper source.
NOTE: If you choose Auto Select, papers are
supplied automatically from the paper source loaded
with paper of optimum size and type. To print on
special paper such as envelope or thick paper, place it
on the multi purpose tray and select MP Tray.
8 Select paper orientation, either Portrait or
Landscape, to match the orientation of the
document.
Selecting Rotate 180° will print the document
rotated 180°.
9 Click OK button to return to the Print dialog box.
10 Click OK button to start printing.