Question about HP LaserJet 2420 Printer
It may be the formatter circuit board.
I had the same issue witha 2420. The problem was intermittent... Turn the printer off and on and the problem MIGHT go away (for a while).
I replaced the formatter pcb and the machine has been running well for days.
Posted on Nov 08, 2010
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Posted on Jan 02, 2017
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