Question about HP LaserJet 2840 All-In-One Printer
Asof yeserday morning, the HP 2840 was printing fine. After a new HP black cartridge was installed, it than began printing blank pages and said that new supplies needed to be installed, at this point, the drum and every color are virtually full. Please help.
Black is used on all prints. Did you pull the tape on the new cartridge?
Posted on Jan 13, 2009
Printing very faint after replacing all the cartridges.
Posted on Jul 26, 2011
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Posted on Jan 02, 2017
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