Question about Brother MFC-7420 Laser Printer

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Verticle lines appear on document when scanning through document feeder. No verticle lines on document when it is scanned face down on the glass. How do I clean the document feeder?

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There is a thin strip of glass next to the main platen glass, where documents fed through the feeder are scanned. You most likely have Wite-Out or some sort of debris stuck to the glass. You can probably wipe this residue off, but if you need to clean that strip of glass, use alcohol and a lint-free rag.

Posted on Oct 07, 2010

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