MFC-7840W
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Nejčastější dotazy a pokyny pro odstraňování potíží |
How do I clear vertical lines or streaks that appear in the copies I made?
These types of lines are typically caused by dirt or white out (correction fluid) on the scanner unit, or the corona wire for printing is dirty. This problem is usually resolved by cleaning the scanner glass, scanner glass strip and white plastic bar with a soft lint-free cloth, or cleaning the corona wire.
Please refer to the instructions, "How do I clean the scanner to improve the copy or fax quality?" and "How can I clean the corona wire?"
We recommend unplugging the power cord for safety.
If you continue to experience vertical lines, repeat the cleaning process. If the situation persists after multiple cleanings, contact our Customer Service Center.
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