Question about HP LaserJet 2840 Printer
I jsut changed the toner(s) and drum in our HP laser Jet 2840. After doing this the LEd display said I need to replace supplys with a question mark at each toner color...all cartrages are bran new. Please advise.
While holding down the Check-Mark key turn the printer off then back on.
Posted on Jan 23, 2009
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Posted on Jan 02, 2017
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