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  • 3411 Error/attention 1801-001 Execute Software Upgrade

    Software Update (CD-ROM or HD) completes normally but still machine is repeating the message, possible cause?

  • #2
    Possibly bad flash RAM on the Printer Control PCB (J390947).

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    • #3
      which is the number of flash ram?
      I have two pcb j390947 with the same problem

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      • #4
        It is repairable?

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        • #5
          There are 4 flash RAM's on the printer control PCB, they sit in the brown sockets. Buy some new flash chips, then use a programmer to copy the contents from the old chips to the new ones.
          Hopefully that will solve the problem.

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          • #6
            I appreciate your help Thanks

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