Question about HP Office Equipment & Supplies
Flashing of all lights means there is a problem in a small circuit board behind the carriage . it does not allow the printer to initialize and come to the ready position. open the upper cover of the printer and try to clean the dust or some moisture that is creating the short circuit.if it still does not help replace the circuit board.it is not much expensive and is a better option than buying a new printer.
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Posted on Jun 07, 2008
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Posted on Jan 02, 2017
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