Question about HP LaserJet 2420 Printer
When is a PDF or WORD document mode the printer mysteriously starts printing in black!!!!! Help
Most likely to be the toner cartridge is it OK on other programs such as the web explorer? If not change the toner cartridge you can also print out the configuration page by pressing the green tick and then using the up and down arrows select information press green tick to enter then move to "Print Configuration" and select using the green tick. If the page comes out OK then the print cartridge if fine if not try changing it. Also there maybe in the driver you have under printing preferences negative mode make sure that is not checked.
Failing this reinstall the print driver from HP Online if this still doesn't work then change the data cable if still not working then I suggest that the printer formatter board is faulty.
I do hope this helps you and please rate me
Posted on Dec 31, 2007
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