Question about HP LaserJet 2840 Printer
The front panel tells you witch toner cartridge should you replace. If a supply memory error ocures then the cartridge should be replaced or exchanged with a new one. The imaging drum unit is also consumable. for "Joe 50" - there are 4 toner cartridges in the printer.
Posted on Mar 18, 2008
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Posted on Jan 02, 2017
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