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My HP 2840 color laserjet does not recognize HP toner cartridges

Since using some refurb toner cartridges my HP 2840 Color laserjet will not recognize any new toner cartridges. The display simply shows a question mark ('?'') in the display area where the toner cartridge fill level is normally displayed. I have tried authentic HP toner cartridges and it still won't recognize the toner cartridge.

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  • wallers Apr 12, 2009

    same issue - id you ever get it resolved?

  • jolanda90 May 06, 2009

    My HP 2840 stopped recognizing Non-original HP toner cartridges 2 months ago.

    I Guess HP sent a 'update' which now refuses to recognize . Even new nonHP cartridges are not recognized. Hp orginals are recognized. Cause is in the NOn HP chip attached on the top at the right side.

    I'll try to downgrade the firmware and let you know.

    Marcel.

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6 Suggested Answers

MUKHTAR
  • 2015 Answers

SOURCE: HP LaserJet 2840. "Install Yellow

make sure toner is not refilled just remove the toner and shake it and then install it again.

Posted on Dec 04, 2009

IB4G2008
  • 3587 Answers

SOURCE: toner marks down right side of page

hmmm...sounds like your toner cartridge is truly unhappy. I'd return it if I were you.

no worries..start by getting new driver for that here

Posted on Feb 28, 2008

SOURCE: HP OfficeJet G85

If its not recognizing the cartridge you probably need to go inside and clean the contacts. Best thing to use is ordinary rubbing alcohol but you should also get a can of dry air from best buy or similar place to blow out any areas you can reach. If you need instructions on how to take the machine apart email me at sanglemyer36@yahoo.com

Posted on Mar 05, 2008

  • 59 Answers

SOURCE: Out of toner........ but not really.....

You can also navigate through the menu and go into toner override mode. That allows you to print without being bothered by low/empty toner messages

Posted on Mar 11, 2008

jmassengill
  • 344 Answers

SOURCE: The printer doesn't recognize the new original HP color cartridge

There is a small spring that holds the ink cartridge in the ink holder. You will see it stick out from the right hand side of the ink holder where the ink cartridge slides in. If that spring isn't being held to the ink holder by two plastic tabs, (I.E. the plastic tabs are broken) the printer will never recognize the cartridge. If the printer is still under warranty I would contact HP or an authorized repair center for HP. Both the black and color ink holder has this spring. I know of no way to repair this kind of breakage.

Posted on Jan 08, 2009

SOURCE: HP Laserjet 3055 printing lines

Change the toner cartridge

Posted on Mar 01, 2009

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Al
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