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

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Ink problem Hi. I just bought at brother MFC 3 in 1 injet printer less than a year ago and has been working great until now. When I print text and or graphics, the black ink prints with horizontal lines through them. I've followed the troubleshoot manual and have done everything that it asks, but same problem. Ran about a dozen cleaning sessions and even bought new ink cartridges, but everything prints fine except for the black. Please help. Best, Inkless

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Re: ink problem

One or more of the printer head jets are probably clogged. You can keep trying the printer's cleaning sessions to see if it eventually unclogs that way, or you can try to manually clean the print head jets. Do a Google search for your printer's disassembly instructions to find out how to reach the print head, then use alcohol and lint-free cloth to soak and clear the jets. I'm not sure for this printer, but I've seen for Epsons and others cleaning cartridges that have cleaning fluid instead of ink. When you run a cleaning session or a print job with the cartridge(s) installed, the fluid gets sucked through the print tubes and jets and cleans them out. The cleaning fluid is usually some type of solvent that breaks down ink, especially that which may have dried out and clumped and blocked tubing or jets.

Posted on Apr 20, 2007

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Re: ink problem

Check to make sure nothin is jammed in your printer. I had that happen to me, either my kids or my cat got something small stuck in the printer and it created a blank horizontal line down the page. Hope it's something that simple!!

Posted on Apr 13, 2007

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