Xerox 700 Digital Color Press User Manual page 179

Xerox 700 Digital Color Press
Problem
Black Lines, Streaks,
Spots, Smears or
Bands
Output contains black
or gray stripes either
dotted or continuous,
has stratches or
undefined edges.
Color Lines, Streaks,
Spots, Smears, or
Bands
Output contains color
lines, streaks, spots,
stripes (either dotted
or continuous), and/or
has scratches or
undefined edges.
User Guide
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Corrective Action
Before performing any of the following steps, ALWAYS check the status of the
CRUs/Supplies by pressing the Machine Status button and selecting the Supplies tab.
For copy/scan jobs, perform the following:
• Access the Lighten/Darken control by selecting the Image Quality tab.
• Access the Sharpness/Color Saturation screen by selecting the Image Quality tab.
• Check that the Sharpness scroll is set to a softer setting.
• If you are copying your original from the Document Glass, access the Original Size
screen by selecting the Original Size button on the Layout Adjustment tab.
• Clean the Document Glass.
• Ensure that the paper tray guides are against the edges of the loaded paper.
For both network print jobs and copy/scan jobs, perform the following:
• If lines or streaks are present, check the IBT Cleaner Assembly for wear or damage,
and replace as required.
• If the defect occurs every 36 mm on the prints, do
interval is caused by a damaged or defective Developer Housing.
• If lines, streaks, or deletions in the process direction appear
replace the Black Scorotron Assembly.
• If spots or bands occur every 126 mm on the prints, the
Drum is damaged or light-shocked.
• Run jobs with individual colors (yellow, magenta, cyan) in order to determine which
color drum may be damaged or light-shocked.
• Replace the appropriate color drum cartridge.
• If spots or bands occur every 188 mm, the Black Drum is damaged or light-
shocked. Replace the Black Drum Cartridge.
• Ensure that the paper tray guides are against the edges of the loaded paper.
Problem Solving
not replace the Drum. This
only with Black, then
Yellow, Magenta, or Cyan
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