8550, 8550N, 8550DN, 8550GN, 8550MFP Printer
8550, 8550N, 8550DN, 8550GN, 8550MFP Printer
8550, 8550N, 8550DN, 8550GN, 8550MFP Printer
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Problem<br />
Irregular, raised spots or<br />
stray toner<br />
Cause and Solution<br />
If you are printing on heavy media (28 to 58 lb, or 105 to<br />
216 g/m 2 bond), you must select Heavy Paper as the<br />
paper type in the Paper tab in the printer driver to<br />
ensure the correct finish on the media. For more<br />
information on changing printer driver settings, see the<br />
online help.<br />
Toner is smudged on the back of the page. Toner<br />
collected on the transfer belt will cause smudging on<br />
the back of a page. The belt is self-cleaning and the<br />
smudging will normally clear within a few pages. Or,<br />
open and close the front door to complete a printer<br />
self-cleaning cycle.<br />
You recently had a media jam or the printer fed multiple<br />
sheets of media. Open and close the front door to<br />
complete a printer self-cleaning cycle.<br />
You are refeeding media that has already passed<br />
through the printer or through a copier. Do not refeed<br />
media. Refeeding media contaminates the fuser,<br />
causing stray toner defects.<br />
The fuser roller is contaminated. Print 5 to 10 pages to<br />
clean the fuser roller.<br />
Banding<br />
Consumables might be past their rated life. Check the<br />
printer control panel display for any messages. If no<br />
messages appear, print a configuration page to check<br />
the life of the consumables. Replace any consumables<br />
that are past their rated life.<br />
Certain halftone patterns (lighter shades of a solid<br />
color) exaggerate banding. Try a different halftone<br />
pattern.<br />
192 8 Solving <strong>Printer</strong> Problems EN