Chapter 2: Printing black
Black generation
You can specify whether black graphics in color documents are
printed using:
>
Composite Black
>
Pure Black
Pure Black is the default setting.
Composite black
The cyan, magenta, yellow, and black toners are combined to create
composite black. This will sometimes give a glossier finish due to the
increased amount of toner. It can also appear as a slightly brownish
black.
Pure black
Only black toner is used to print pure black.
Sharp AR-C360P Printing Guide
Printing black> 10