Hello I have a Lexmark e321 printer when I turn the power off and turn it back on the ready/data button lights up and stays lit. When I go to print something the button flashes and than 10 seconds later all of the buttons flash.
All lights flashing is an error indication. to learn the problem you'll need a service manaual. The procedure is to hit the Continue button twice - see which lights flash (secondary code) and consult the manual. Then repeat that step and look up the final code (tertiary code) in the manual. This should be the problem.
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data button flashing printer locked no buttons work
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