HP 9100C Error Code 404

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By Bgrumney
Sep 6, 2011
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  1. When I go through the Extended Self Test (EST) I get an error code 404 for the scanner. How do I correct/clear that code? Does it have something to do with the scanner bulb?
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 21,905   +203

    This is called an HP 9100C Digital Sender. Was it built in 2004?
  3. Bgrumney

    Bgrumney TS Rookie Topic Starter

    Yes it was

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