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HP. All In One 2840 Color Laser, Print Half of The Page vertical Self Test , Color , or Text , Always Half of The Page, Cleaned Scanner Lense , Used Another Drum , Same. Can You Help Please?

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  • Hasan Godani Mar 15, 2011

    This unit prints on right side half page vertical only , self test , it has nothing to do with the driver.

    it is not jamming paper and I tried all what you said , it still prints on the right side of the page only.

    cleaned scanner , replaced drum , and used deferent toners.

  • Hasan Godani Mar 18, 2011

    HP. Color Laserjet 2840:
    Print on half of the right side of the page only, using self test , engine test or copy,
    all the same , and using print fron pc. same thing. hard reset did not change a thing, changed drum and media, same thing, using it to print color or text same thing, prints on right side half of the page , can you help?


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Is it not related to any hardware device. It is related to printer software issue.

I suggest you uninstall and reinstall again the printer driver and add or set up printer again for the second time. I am sure it will help you solve your problem.

Post comments for more help.

Posted on Mar 18, 2011

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Welcome to Fixya. Service Manual has been provide on the link below. Hopefully it will help you out on your problem.

HP AIO 2840 Service Manual

Thanks for using Fixya.

Posted on Mar 16, 2011

  • Rofel Lantican
    Rofel Lantican Mar 21, 2011

    Hi - any update on this?


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First recommendation is to try a hard reset. If you have not done so, try this:

Turn the printer off and remove the power cord. Leave it unplugged for at least 10 minutes.

Plugin the printer, press and hold the STOP button for 2-3 seconds until the demo page begins to print.

It is possible the printer driver is corrupted when it prints half page only. Also try to uninstall and reinstall the printer driver.The other possibility is a problem with the pickup roller. This is the roller that initially feeds the paper up into the paper path. This can be replaced.But first try cleaning it. Turn off the printer, remove the paper tray, and look inside. The roller will be about 2 inches wide and is probably a grey color. Using distilled water only on a qtip, clean the roller, changing the qtip frequently. Allow to dry completely, or wipe gently dry with a lint free cloth. Reinstall the paper tray and try printing again.

Please get back to us if you have further query else please accept the suggestion.

Thank you for contacting

Posted on Mar 15, 2011

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