Dell 3100cn Color Laser Printer - Manual (Page 38)

Values:
*1 Only displayed when an optional 250-sheet tray module or 500-sheet tray module installed on your printer.
Paper Size
Purpose:
To specify the default paper size.
Values:
*1 Denotes country-specific factory default values.
Orientation
Purpose:
To specify how text and graphics are oriented on the page.
Values:
Duplex
Purpose:
Auto*
Automatically selects a tray according to the paper size and type settings of the job being printed except for the multipurpose feeder.
Tray 1
The paper is fed from the standard 250-sheet tray module.
Tray 2* 1
The paper is fed from the optional 250-sheet tray module or 500-sheet tray module.
MPF
The paper is fed from the multipurpose feeder.
Letter * 1 B5
A5 A4 * 1
Executive 8.5 x 13"
Legal Envelope #10
Monarch DL
C5
Portrait*
Prints text and graphics parallel to the short edge of the paper.
Landscape
Prints text and graphics parallel to the long edge of the paper.