Question about HP LaserJet 2840 Printer
Make sure all cartridge are install and secured into place...(take all the cartridge out and back in ) close front door cover and it will go into cartridge calibration...If not, press the "menu" key and with the arrow go to print quality and confirm with the enter key. Go to calibration and confirm...
Let me know....
Posted on Mar 26, 2008
Install supplies the error message shows, there is black toner is blank
so the error showing in the screen.
Posted on Oct 30, 2008
Don't be afraid to contact HP Support for help. I just bought an HP2840 and after 2 months of very light printing (about 300 pages total, mostly B/W) the unit said "install magenta cartridge". All the other cartridges were 98% full but it wouldn't recognize the magenta cartridge as even being present. I couldn't print or copy B/W because of this fault. A simple phone call to HP Support got them to send me a new cartridge free of charge and it cleared up the problem. They even paid for return shipment of the defective cartridge.
Posted on Aug 24, 2008
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Posted on Jan 02, 2017
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