Dell 3110cn Color Laser Printer - Manual (Page 53)

Tray 1 Paper Type Sets the type of paper loaded in the standard 250-sheet tray.
Tray 1 Paper Size Sets the size of paper loaded in the standard 250-sheet tray.
Tray 1 Custom Size - Y Sets the length of paper loaded in the standard 250-sheet tray.
Tray 1 Custom Size - X Sets the width of paper loaded in the standard 250-sheet tray.
Tray 2 Paper Type Sets the type of paper loaded in the optional 550-sheet feeder.
Tray 2 Paper Size Sets the size of paper loaded in the optional 550-sheet feeder.
Tray 2 Custom Size - Y Sets the length of paper loaded in the optional 550-sheet feeder.
Tray 2 Custom Size - X Sets the width of paper loaded in the optional 550-sheet feeder.
MPF Mode Sets the paper size and type when paper is loaded in the multipurpose feeder.
Display Popup Sets the paper size and type when paper is loaded in the multipurpose feeder.
MPF Paper Type Sets the type of paper loaded in the multipurpose feeder.
MPF Paper Size Sets the size of paper loaded in the multipurpose feeder.
MPF Custom Size - Y Sets the length of paper loaded in the multipurpose feeder.
MPF Custom Size - X Sets the width of paper loaded in the multipurpose feeder.