Paper Size; Paper Source - Canon LBP-1760 User Manual

Paper size

To select the paper size, source and media type, click Paper.
Portrait or landscape
Under Paper Size, click Portrait or Landscape to set the direction of printing on the
page.
Portrait
Landscape Prints from bottom to top across the length of the page. Landscape
Paper size
Below Paper Size, click the down arrow to open the drop-down list of standard paper
sizes.

Paper source

Source
Below Paper Source, click the down arrow to open the drop-down list of paper source
options.
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Setting Up the Printer Driver
Prints from left to right across the width of the page (letter style).
orientation is convenient for spreadsheets or other printouts that
require more width for printing.