Troubleshooting
WorkCentre 7800 Series Multifunction Printer 255
User Guide
Print-Quality Problems
This section includes:
• Controlling Print Quality .................................................................................................................................................. 255
• Troubleshooting Print-Quality Problems .................................................................................................................. 258
Your printer is designed to produce consistently high-quality prints. If you observe print-quality problems,
use the information in this section to troubleshoot the problem. For more information, go to
www.xerox.com/office/WC780Xsupport.
CAUTION: The Xerox Warranty, Service Agreement, or Xerox Total Satisfaction Guarantee does not
cover damage caused by using unsupported paper or specialty media. The Xerox Total Satisfaction
Guarantee is available in the United States and Canada. Coverage could vary outside these areas.
Please contact your local representative for details.
Notes:
• To enhance print quality, the toner/print/drum cartridges for many models of equipment are
designed to cease functioning at a predetermined point.
• Grayscale images printed with the composite black setting increment the color pages counter,
because color consumables are used. Composite black is the default setting on most printers.
Controlling Print Quality
Various factors can affect the quality of the output of your printer. For consistent and optimum print
quality, use paper designed for your printer, and correctly set the Print-Quality Mode and Color
Adjustments. Follow the guidelines in this section to maintain optimum print quality from your printer.
Temperature and humidity affect the quality of the printed output. For details, see Environmental
Specifications on page 280.
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