Canon MF5940DN with E744-4000

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  • DenisDDD
    Junior Member
    • Oct 2013
    • 3
    #1

    [Error Code] Canon MF5940DN with E744-4000

    Hello i have Canon MF5940DN with rotating 180 message and error E744-4000. I read about this
    Turn OFF and then ON the main power.
    Check the Engine Controller PCB.
    Install the Engine Controller PCB.
    Install the set of the controller firmware.
    Check the model code. (When the model code and the engine code are mismatched, E744-4000 occurs.)

    But i don't have any PCB for change.
    I found something like service mode
    Press 02 - than i can navigate to system mode and can choose firmware update. But i can't found how i make left or right movement in this menu. Myay be anybody know how ?

    Thanks for answer.
    Tags: 4000, canon, change, code, controller, error, firmware, power, service, system
    • teckat
      Field Supervisor

      Site Contributor
      10,000+ Posts
      • Jan 2010
      • 16083
      #2
      Re: Canon MF5940DN with E744-4000


      i-SENSYS MF5940dn


      [Windows] i-SENSYS MF5980dw/MF5940dn Firmware Update

      http://www.canon-europe.com/Support/System/Search.aspx?TcmUri=tcm:13-942079

      http://www.canon-europe.com/Support/Consumer_Products/products/Fax__Multifunctionals/Laser/LaserBase_MF_series/i-SENSYS_MF5940dn.aspx?type=download&page=1

      ----------------------------------------------------------------------------
      MF5980dw/MF5940dn e-Manual

      http://www.canon-europe.com/Support/...&type=download
      **Knowledge is time consuming, exhausting and costly for a trained Tech.**

        Comment

        • DenisDDD
          Junior Member
          • Oct 2013
          • 3
          #3
          Re: Canon MF5940DN with E744-4000

          Thanks for answer. Device can't see any USB connection, but work in network mode. For update software it can be in downloading mode - i can't do it.
          I found something like service mode
          Press 02 - than i can navigate to system mode and can choose firmware update. But i can't found how i make left or right movement in this menu. Myay be anybody know how ?

            Comment

            • DenisDDD
              Junior Member
              • Oct 2013
              • 3
              #4
              Re: Canon MF5940DN with E744-4000

              Another question - how to enter service mode on this printer?

                Comment

                • devilbpm
                  Junior Member
                  • Aug 2015
                  • 1
                  #5
                  Re: Canon MF5940DN with E744-4000

                  Same problem, I stuck on push left or right movement in this menu. Any suggestion?

                    Comment

                    • razvezlo
                      #6
                      Re: Canon MF5940DN with E744-4000

                      Originally posted by devilbpm
                      Same problem, I stuck on push left or right movement in this menu. Any suggestion?
                      same problem.

                      desold the chip, reprogram it with new dump and sold it back. That's te only way I was able to found upon my researches.

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