Question about HP LaserJet 2840 Printer

3 Answers

HP LaserJet 2840 Printer

Printing in color is terrible. washed out, red streaks, ink is full and just changed the drum, but all is after market.
should I replace all ink and drum
or get another machine
black is perfect

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  • 2 more comments 
  • Flexers Jan 25, 2008

    I don't know how replace drum, it is the first message I ever got

  • Anonymous Feb 25, 2008

    I have an HP 2840 and it finally needed to have the yellow ink replaced. I replaced with a new Hp Yellow Ink and now it says I need to replace drum. What?

  • Anonymous Mar 17, 2014

    I have several color drums I am having trouble with the ink not printing dark. It looks washed out. Black prints perfect. I tryed washing the drum and ran approx 300 sheets and changed the ink (green) and still looks washed out.The colors are used about once a month. The black is used weekly and I have no problem with that. Can you help.

  • Anonymous Mar 17, 2014

    gr 770I cannot get my color drums to print as they first did. The color comes out washed out.I have cleaned the drum and ran approx300 sheets and still looks washed out.My black works fine.

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For Flexer and Guest - The Imaging Drum Assy is the 5-th consumable for your printer. U can buy it as well as any toner cartridge. U can find it in the front of the 4 toner carousel with a green plastic cover. Push it to the back of the printer and pull it out straight up. The new one has orange stripes and plastics that you should remove. The Imaging Drum's life is about 20k pages (black with 5% coverage) and 5k page (colour 15% coverage)

Posted on Mar 18, 2008

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Miriam, Try going to the HP website and see if there is a Vista driver pack

Posted on Sep 10, 2008

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I accidentally uninstalled hp software. i reinstalled using the hp CD but it is not compatible to my Windows Vista. how should i install this?

Posted on Jul 02, 2008

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1 Answer

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The Drum unit is worn or defective. try another drum unit. this should take care of your problem.If it's new then get your money back and replace it.

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The HP Color Laserjet 2840 Is a Very Good Reliable Printer. I'm curious if you are buying American made components or cheap components from some thrid world country sold at ahuge retailer. They really should stand behind their laser drums, but if they don't then shop over at www.officeinks.com or www.wowsuperdeal.com and Purchase American Made Toner Cartridges and Laser Drums. Office Inks has a 1 year satisfaction and quality guarantee and free return shipping if their ink, toner, drums, ribbons etc, don't make you happy. Only Ships USA Though.

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Here is a link to the hp web site with the manual giving full details on changing the drum. Look in the section called managing supplies.

HP Web Site


I hope this helps

Buddy
Corporate Computer
Over 21 years of PC and printer support/repair

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Most Printers that are laser have a transfer roller or transfer belt. If you have replaced all the drums this can often be the problem.

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Black is used on all prints. Did you pull the tape on the new cartridge?

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This is probably a registration / alignment issue. I've had a similar problem before and had to call HP and get a technician sent out to fix it. They actually ended up replacing the whole machine for me.

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