Question about HP DeskJet 840c InkJet Printer
Depends which red blinking light. I assume the red light is the resume light. The green light is the power light. If the Power and the Resume light are blinking alternately, then you have a paper jam somewhere in the printer. remove the paper jam and you should be fine.
Posted on Mar 18, 2011
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Posted on Jan 02, 2017
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