Dell C1765NFW MFP Laser Printer - Manual (Page 242)

240 Copying
Auto Exposure
To suppress the background of the original to enhance text on the copy:
1 Load the document(s) face up with top edge in first into the ADF.
OR
Place a single document face down on the document glass, and close the document cover.
For details about loading a document, see "Making Copies From the ADF" on page 235 or "Making Copies From
the Document Glass" on page 233.
2 Press the (Copy) button.
3 Press the button until Preferences is highlighted, and then press the (Set) button.
4 Press the button until Auto Exposure is highlighted, and then press the (Set) button.
5 Press the button until On is highlighted, and then press the (Set) button.
Sharpest Makes the copy sharper than the original.
Sharper
Normal*
Does not make the copy sharper or softer than the original.
Softer Makes the copy softer than the original.
Softest