Canon LBP7660Cdn Manual page 284

Specify the setting for [Specify Print Range].
[All]
[Pages]
6
Specify the settings for [Quality Settings] as the following, as needed.
[Gradation]
7
Specify the settings for [Halftones] as the following, as needed.
Select if you want to print all the pages.
Select [Pages], and then enter the starting page number and ending page number if you want
to specify the print range.
Specify the gradation process for printing the data. It is effective to set [High 1] when printing
photographs at standard quality, and to set [High 2] when printing at a higher quality.