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I keep getting a horizontal black line on my copies. What causes this problem?

Lines are usually the result of a blemish on the scanning strip. These blemishes can be a smudge, ink spot or dried Wite-Outâ„¢. When the copier scans the document, the scanner picks up the blemish, thinks the blemish is on the paper, and so makes a horizontal line on your copies.

You can usually solve this problem by cleaning the scanning strip with glass cleaner or water. To find the blemish on the scanning strip, match up the line on your paper copy with the scanning strip. For example:

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