Xerox 7800 User Manual

Scanning
146 Xerox
®
WorkCentre
®
7800/7800i Series Color Multifunction Printer
User Guide
5. To suppress background variation:
a. Touch Image Enhancement.
b. For Background Suppression, touch Auto Suppression.
c. Touch OK.
6. To adjust the contrast:
a. Touch Image Enhancement.
b. On the Image Enhancement screen, select an option:
• Auto Contrast: Allows the printer to set the contrast automatically.
• Manual Contrast: This option allows you to adjust the contrast manually. To increase or
decrease the contrast, move the Manual Contrast slider up or down. The middle position
on the slider does not change the contrast.
c. Touch OK.
7. To adjust brightness and sharpness:
a. Touch Image Options.
b. On the Image Options screen, adjust the sliders as needed:
• Lighten/Darken: Lightens or darkens the image.
• Sharpness: Sharpens or softens the image.
c. Touch OK.
8. To adjust saturation:
a. Touch Saturation.
b. On the Saturation screen, adjust the sliders to make the image more vivid or more pastel.
c. Touch OK.
9. To set the resolution:
a. Touch Resolution.
b. On the Resolution screen, select a resolution from 72 dpi through 600 dpi.
c. Touch OK.

Xerox 7800 Specifications

General

Maximum Print Resolution	1200 x 2400 dpi
Duplex Printing	Yes
Fax Speed	33.6 Kbps
Functions	Print, Copy, Scan, Fax
Connectivity	Ethernet, USB
Display	Color touch screen