Question about HP LaserJet 2840 All-In-One Printer

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Printing on right side only

I installed remanufactured yellow, magenta and cyan cartridges at the same time. Although I was printing black text just fine before the change, afterwards all four colors are printing on the right side only...fading from normal print on the extreme right to faint print in the middle and to nothing at all left of center. I have seen this problem described elsewhere and a discussion of a possible carousel misalignment. I am doubtful this is my problem, however, because the right color cartridge is showing when I open the panel after I press the cartridge rotation button. Can this nevertheless be a carousel alignment problem even anyway? And if it isn't a carousel alignment problem, what else could it possibly be? I have a service manual and the mechanical know-how to take it apart, if necessary, but that will be a last resort..... HP 2840 - My wife and I have been trying for several hours to realign the gears. Black Gear on Right Side INWARD and White (two gears) Outward. We are apparantly not strong enough or to stup...........?????. to follow instructions. Any more detail on which gear does what. Thanks - Tommy@wallacehomes.com

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  • GEORGE675 May 11, 2010

    a carousel is one of the most difficult things to replace on this printer as well as the most time consuming. usually when this happens.. its easier to just buy a new printer. it take a decent hp tech about two hours to realign assuming there is nothing broken. if in fact the carousel is broken. you can buy it realitvely cheap. RG5-7587 is the part number. i know that doesnt really answer your question at all but from my past endeavors with the carousel on any hp produxts they are just a pain in the ****.

  • Derrick Shearer
    Derrick Shearer Dec 31, 2012

    If you find a good HP tech the job can be done in a matter of seconds. A guy that thinks he knows what he is doing will get the job done but he will go the long way by removing covers and it will take a long time.

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  • 47 Answers

It is the carousel that is dislocated. Check the alignment if it's brooken

Posted on Nov 03, 2008

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