Samsung ML-1650 User Manual page 109

Solving Print Quality Problems
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Problem
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Gray background
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Toner smear
Repetitive vertical
defects
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P S
7.18
ROBLEM
If the amount of background toner shading becomes
unacceptable, the procedures below may help to clear the
condition:
• Change the paper to a lighter basis weight. See "Paper
• Check the printer's environment; very dry (low humidity)
• Install a new toner cartridge.
• Clean the inside of the printer. See "Cleaning the Inside"
• Check the paper type and quality. See "Paper
• Try installing a new toner cartridge.
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If marks repeatedly appear on the printed side of the page
at even intervals:
• The toner cartridge may be damaged. If a repetitive mark
• Parts in the printer may have toner on them. If the defects
• The fusing assembly may be damaged. Contact a service
OLVING
Specifications" on page A.2.
or high humidity (higher than 80 % RH) conditions can
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increase the amount of background shading.
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on page 6.4.
Specifications" on page A.2.
occurs every 95 mm or 38 mm on the page, print the
cleaning sheet several times to clean the cartridge (see
page 6.5). If you still have the same problems, install a
new toner cartridge.
occur on the back of the page, the problem will likely
correct itself after a few more pages.
representative.
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Solution
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