Canon imagePROGRAF iPF510 - Manual (Page 512)

Printer Driver
Setting Item Description
N Economy Printing When this mode is selected, less ink is consumed than in regular
printing, but the quality is diminished.
Select this mode if you want to conserve ink when checking
drawings, for example. Depending on the Media Type and Print
Quality settings, this mode may not be available.
L Printer Click to display the Printer dialog box, which indicates the ink levels
and gives other information about the printer.
498 Mac OS X Software