Dell C3760n Color Laser Printer - Manual (Page 172)

170 Dell™ Printer Configuration Web Tool
Tray 2 Custom Paper
Size - Y *2
Sets the length of custom size paper loaded in the optional 550-sheet feeder.
Tray 2 Custom Paper
Size - X *2
Sets the width of custom size paper loaded in the optional 550-sheet feeder.
Tray 2 Display Popup *2 Sets whether to display a popup message that prompts the user to set the paper size and type when
the paper is loaded in the optional 550-sheet feeder.
1st Priority Sets the paper source to be used as the first priority.
2nd Priority Sets the paper source to be used as the second priority.
3rd Priority *2 Sets the paper source to be used as the third priority.
*1 This item is available only when Panel Specified in MPF Mode is selected.
*2 This item is available only when the optional 550-sheet feeder is installed.