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Common problems HP Solution Center not working : Adobe Flash Player Error and Unable to scan
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Bigjimfanning
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31.03.37 Error on HP LJ M631z

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HP LJ M631z

HP LJ M631z is displaying a 31.03.37 Pick Sensor error on boot up and coming out of sleep mode. I can get the error to go away by opening the top door exposing the pick roller and sep pad and it does not return unless the printer goes to sleep or is turned off. Also, once the error disappears, the machine will scan and copy just fine. I did replace the scanner control board but the error indicates that the pick sensor is dirty. I used compressed air to clean the area but this did not clear the message.

 

Not sure where to go from here. Any help would be greatly appreciated.

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