Question about Brother MFC 420CN All-In-One InkJet Printer

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Printing is streaking

I cleaned the printer so many times but when i go to print it streaks everytime, what should i do? Its teh Brother MFC 4300 printer...

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Re: printing is streaking

What exactly did you clean on this machine? Also, when you say it streaks, is it when you're printing or making a copy?

Posted on Jun 25, 2007

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Reference page 22-17 in reguards to cleaning the charge wire on the drum unit and page 22-16 for cleaning the document scanner. This is a link to your Brother MFC 8500. Hope this helps.
If the dark streak appears on printed documents, cleaning the charge wire will correct it.

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Hello sir; Either drum cleaning blade or drum cartridge needto replace.

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Hello sir;The streak line from printing also should be from copy, because the line come from imaging unit, check the meter count if close to or over 50,000 then replace drum and drum blade, it will take care the problem.
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1 Answer

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If this is only happening with copies and not straight prints, it is possible that the problem is with the scanning unit. Use the soft cloth to clean the scanner area to the left side of the machine where pages are scanned when run through the page feeder. A spec of dust or other debris in this area will appear as a streak along the length of the page.

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