TA Triumph-Adler LP 4024 - Manual (Page 230)

Installing Option Units
D-15
D.2.4 Face-up Output Tray
Use the face-up output tray when you wish paper to be stacked with the
printed side facing up (reverse order), or when you are printing on
envelopes, postcards, transparencies, or thick paper.
1
Install the paper stopper according to the size of paper to be used.
2
Install the face-up output tray on the rear of the printer.
Legal Size
A4 Size
Letter Size
Paper Stopper
Face-up Output
Tray