Error Code 751-9000

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  • George_H
    • Jun 2025

    #1

    [Error Code] Error Code 751-9000

    the canon IRC 4840 gives the error code E 751-9000 and stop continuing the start up process everytime i turn the machine on.
    i checked the power suppy, it is workin properly.
    what other causes could be behind this Issue???
    Pease help
  • charm5496
    Service Manager

    Site Contributor
    1,000+ Posts
    • Apr 2008
    • 2387

    #2
    Re: Error Code 751-9000

    Originally posted by George_H
    the canon IRC 4840 gives the error code E 751-9000 and stop continuing the start up process everytime i turn the machine on.
    i checked the power suppy, it is workin properly.
    what other causes could be behind this Issue???
    Pease help
    The copier displays E751-9000 at power on.

    Workaround :
    Slide out the bypass assembly and check the internal connector J750 and the bypass connector J755 for damage.
    If necessary, replace the damaged connector.

    Open the door and turn the unit on to see if the copier will boot up. If you get a close door message close the bypass and see if the unit errors out again.
    Accidents don't just happen. They must be carelessly planned.

    Comment

    • teckat
      Field Supervisor

      Site Contributor
      10,000+ Posts
      • Jan 2010
      • 16083

      #3
      Re: Error Code 751-9000

      Originally posted by George_H
      the canon IRC 4840 gives the error code E 751-9000 and stop continuing the start up process everytime i turn the machine on.
      i checked the power suppy, it is workin properly.
      what other causes could be behind this Issue???
      Pease help


      Here is a pic from charm5496's reply

      Can't tell u how many frustrated customers damage it/ slam unit in looking for a jam
      bypass.jpgbypass1.jpg
      **Knowledge is time consuming, exhausting and costly for a trained Tech.**

      Comment

      • George_H

        #4
        Re: Error Code 751-9000

        You are completely right, the connector was broken, i replaced it, machine worked perfectly.
        thank you guys, you are the best.

        Comment

        • teckat
          Field Supervisor

          Site Contributor
          10,000+ Posts
          • Jan 2010
          • 16083

          #5
          Re: Error Code 751-9000

          Originally posted by George_H
          You are completely right, the connector was broken, i replaced it, machine worked perfectly.
          thank you guys, you are the best.

          seeing is believing
          **Knowledge is time consuming, exhausting and costly for a trained Tech.**

          Comment

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