Question about HP LaserJet 2420 Printer

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Paper is coming out all black

My HP 2420 just started printing with tons of black ink covering the actual text. You can barely see the text, the page is almost all black. However, there are a few white lines on it....

This started after there was a paper jam in the back and after I pulled the paper out and tried to print again, it started doing this.

I would sooo appreciate your help!

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  • unitedcon Dec 29, 2008

    I am pretty sure we installed the right cartridge, however the screen still showed "Unable to read cartridge Data.
    We followed the instruction open the cover, Reinstall the printcartridge and the error message shows again. And keep print out blackpaper. I am pretty sure it is not a faulty toner cartridge!!
    Somehow, it could be a sensor malfunction. Please help m

  • unitedcon Dec 29, 2008

    It must be something happen after the paper jam.

  • Anonymous Jan 03, 2009

    We have an HP Laser Jet 2420 Printer at work. The print out has been beautiful. All of a sudden, vertical lines are printing all over the page. I have pulled the ink cartridge out and tried to clean. For two or three prints, it's clean as a whistle. Then the lines are back. I have replaced the cartridge with a new one. Still lines are everywhere. I love this printer. What can I do???

    Kay

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  • 300 Answers

The most likely cause is a faulty toner cartridge, replace it

Posted on Jun 10, 2008

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