Canon imageCLASS D1650 All-in-One Monochrome Laser Printer - Manual (Page 491)

● Setting a stronger improvement effect may result in lighter print density or slower printing speed. It
may also result in less sharp edges and rougher details.
Smudges may appear on copies depending on the paper type or the environmental conditions. In this case,
setting this item may solve the problem. The improvement effect is strongest with and weakest with
.
● Setting a stronger improvement effect may result in lighter print density.
You can configure a setting to prevent stains from being scanned when they are detected in the document feed
scanning area. Selecting removes streaks generated by the edge of the original.
● When streaks are removed, areas with stains are not scanned. Clean the original scanning area so that the
original is scanned satisfactorily.
Setting Menu List
483