Samsung SL-K7600LX User Guide - Page 268
Color or Black, background, Toner smear, Condition, Suggested Solutions, Vertical, repetitive,
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Solving other problems Condition Color or Black background Suggested Solutions If the amount of background shading becomes unacceptable: • Change the image transfer belt if it has reached its lifespan. Contact a service representative. • Check the environmental conditions: very dry conditions (low humidity) or a high level of humidity (higher than 80% RH) can increase the amount of background shading. • Remove the old toner cartridge and install a new one. Toner smear If toner smears on the page: • Clean the inside of the machine. Cleaning the inside or contact a service representative. • Check the paper type and quality (see "Print media specifications" on page 282). • Remove the imaging unit and install a new one. Contact a service representative. • Change the image transfer belt if it has reached its lifespan. Contact a service representative. • Remove the paper, rotate it 90˚ or flip it over, and then replace it in the tray. Condition Vertical repetitive defects Background scatter A Suggested Solutions If marks repeatedly appear on the printed side of the page at even intervals: • The imaging unit may be damaged. If a repetitive mark occurs on the page, run a cleaning sheet through several times to clean the imaging unit. Cleaning the inside. If you still have the same problems, remove the imaging unit and install a new one. Contact a service representative. • 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. Background scatter results from bits of toner randomly distributed on the printed page. • The paper may be too damp. Try printing with a different batch of paper. Do not open packages of paper until necessary so that the paper does not absorb too much moisture. • If background scatter occurs on an envelope, change the printing layout to avoid printing over areas that have overlapping seams on the reverse side. Printing on seams can cause problems. • If background scatter covers the entire surface area of a printed page, adjust the print resolution through your software application or in Printing Preferences (see "Opening printing preferences" on page 75). 10. Troubleshooting 268