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Troubleshooting
Xerox WorkCentre 3550
User Guide
183
Vertical lines
If black vertical streaks appear on the page, isolate the problem to copying, printing or
scanning and perform the following:
• If copying or scanning, check the CVT glass and document glass and if necessary
clean using a lint-free cloth. (See
Document Glass and Constant Velocity Transport
(CVT) Glass
on page 159.)
• If copying or printing, the surface (drum part) of the print cartridge inside the
machine has probably been scratched. Remove the print cartridge and install a new
one. (See
Replacing the Print Cartridge
on page 157.)
If white vertical streaks appear on the page:
• The surface of the LSU part inside the machine may be dirty. (See
Internal Areas
on
page 159.)
Background
If the amount of background shading becomes unacceptable:
• Change to a lighter weight paper. (See
Paper Supply
on page 193 for specifications.)
• Check the environmental conditions: very dry conditions or a high level of humidity
(higher than 80% RH) can increase the amount of background shading.
• Remove the old print cartridge and, install a new one. (See
Replacing the Print
Cartridge
on page 157.)
• Use the
Background Suppression
feature in the
Menu
options.
Toner smear
If toner smears on the page:
• Clean the inside of the machine. (See
Internal Areas
on page 159.)
• Check the paper type and quality. (See
Media Guidelines
on page 124.)
• Remove the print cartridge and then, install a new one. (See
Replacing the Print
Cartridge
on page 157.)
Vertical repetitive
defects
If marks repeatedly appear on the printed side of the page at even intervals:
• The print cartridge may be damaged, run a few prints through the machine and if
you still have the problem, remove the print cartridge and install a new one. (See
Replacing the Print Cartridge
on page 157.)
• Parts of the machine may have toner on them. If the defects occur on the back of
the page, the problem will likely correct itself after a few more pages.
• The fusing assembly may be damaged. Contact a service representative.
Condition
Suggested Solutions
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