Dell 5110cn Color Laser Printer - Manual (Page 418)

-D
Enables the long-edge binding feature. When it is specified, the printing direction or position will be
adjusted and both sides of the paper printed so that the longer edge of the pages can be bound.
-Itray-input
Specifies the paper tray.
A paper tray can be selected by directly specifying a tray or by specifying a paper size.
When a paper size is specified, the tray loaded with paper of the specified size will be found and
selected automatically.
The parameters for selecting a paper tray are as follows.
1
Feed paper from tray 1 (standard 500-sheet tray).
2
Feed paper from tray 2 (optional 500-sheet tray module or 1000-sheet module).
3
Feed paper from tray 3 (optional 1000-sheet module).
4
Feed paper from tray 4 (optional 1000-sheet module).
A4
Feed paper from the tray loaded with A4 (210 x 297 mm).
A5
Feed paper from the tray loaded with A5 (148 x 210 mm).