ES3640e MFP Printing Guide - 10
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.
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