Dell 3110cn Color Laser Printer - Manual (Page 370)

Turns on the save toner mode for printing. The print result will be fainter than that of normal printing.
In some cases, this option will be ignored.
-2
Sets printing to 2-column printing.
-r
Rotates the image by 90° and uses the paper in the landscape orientation.
-F
Ignores the form feed code (FF).
-llines
Specifies the number of lines per page.
-wcolumns
Specifies the number of columns per line.
-ooutcolumns
Converts print data to single-byte text and sets printing to start from outcolumns.
-Loutlines
Prints text from the outline columns.
-en
Expands horizontal tabs to n columns (space). The default is 8.
-ssize
Specifies the font size as point size. The default is 10.
-E
This function turns on the image enhancement function. For models without the image enhancement
mechanism, this option will be ignored.
-ffont