Paper Source Options - Mac OS X

You can select any of the available options in the Paper Source menu to print on the paper loaded in that source.

WF-3520
Cassette
Selects the paper in the cassette as the paper source.
Rear Paper Feed Slot
Selects the paper in the rear feed slot as the paper source.

WF-3530

Cassette 1
Selects the paper in cassette 1 as the paper source.
Cassette 2
Selects the paper in cassette 2 as the paper source.
Cassette 1 > Cassette 2
Selects the paper in cassette 1 as the paper source and automatically switches to cassette 2 when cassette 1 is empty.
Rear Paper Feed Slot
Selects the paper in the rear feed slot as the paper source.