Question about HP LaserJet 3800n Printer
From the control panel, go to diagnostics menu and then select PQ pages. This will print color diagnostics pages so that you can see if it is one color or all colors that have a problem. If one color then it is either the cartridge or the scanner. If it is all colors then it might be the high voltage board, or possibly one bad cartridge causing a voltage drop. If you recently changed a cartridge put the old one back in and try a test print.
Posted on May 17, 2011
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Posted on Jan 02, 2017
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