Samsung CLX-3305FW User Manual Ver.1.0 (English) - Page 279
Vertical lines, Black or color background, Toner smear, Condition, Suggested solutions - replace imaging unit
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Printing quality problems Condition Vertical lines Black or color background Toner smear Suggested solutions If black vertical streaks appear on the page: • The surface (drum part) of the imaging unit inside the machine has probably been scratched. Remove the imaging unit and install a new one (see "Replacing the imaging unit" on page 86). If white vertical streaks appear on the page: • The surface of the LSU part inside the machine may be dirty. Clean the inside of your machine (see "Cleaning the machine" on page 90). If these steps do not correct the problem, contact a service representative. If the amount of background shading becomes unacceptable: • Change to a lighter weight paper. • 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 imaging unit and install a new one (see "Replacing the imaging unit" on page 86). • Thoroughly redistribute the toner (see "Redistributing toner" on page 80). • Clean the inside of the machine (see "Cleaning the machine" on page 90). • Check the paper type and quality. • Remove the imaging unit and install a new one (see "Replacing the imaging unit" on page 86). 6. Troubleshooting 279