Fk-502 c353 vs c451?

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  • mrfuser
    Service Manager

    Site Contributor
    1,000+ Posts
    • May 2007
    • 1611

    #1

    Fk-502 c353 vs c451?

    Is the fk-502 the same across models such as c353 and c451?
  • emujo
    Field Supervisor

    2,500+ Posts
    • Jun 2009
    • 3009

    #2
    Re: Fk-502 c353 vs c451?

    The FK-502 was used in several models including the Bizhub 751. The mount kits for adding the fax were different from model family to family. C650, C353, C360, C252, C351, C450, 420,750/751. Firmware for the fax was model dependent also. Emujo
    If you don't see your question answered in the forum, please don't think it's OK to PM me for a personal reply...I do not give out firmware and/or manuals.

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    • mrfuser
      Service Manager

      Site Contributor
      1,000+ Posts
      • May 2007
      • 1611

      #3
      Re: Fk-502 c353 vs c451?

      Thanks. Got a c353 that won't fax. On hook dial you hear a tone but soon after dialing get a busy tone. Client must dial 9 first. They claim line is fine. Any thoughts?

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      • Copier Addict
        Aging Tech

        Site Contributor
        10,000+ Posts
        • Jul 2013
        • 14512

        #4
        Re: Fk-502 c353 vs c451?

        I had the same thing with a C360, same fax board, and it turned out the customer had digital lines. I plugged it into an analog line and it worked fine.

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        • Reed
          Senior Tech

          Site Contributor
          250+ Posts
          • Feb 2011
          • 259

          #5
          Re: Fk-502 c353 vs c451?

          Had a similar problem with a kyocera . Soon after dialing the number the machine would go into a waiting state. Ended up changing the fax setting on the machine from pstn to pbx

          Sent from my SM-G920T using Tapatalk

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          • Synthohol
            Certified Konica Expert

            Site Contributor
            5,000+ Posts
            • Mar 2016
            • 5804

            #6
            Re: Fk-502 c353 vs c451?

            double check the fax target area, ive seen that symptom if left in the default JP instead of US
            We know a thing or two because we've seen a thing or two.
            The medication helps though...

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            • mrfuser
              Service Manager

              Site Contributor
              1,000+ Posts
              • May 2007
              • 1611

              #7
              Re: Fk-502 c353 vs c451?

              Changes to pbx and worked fine. They claimed no one changed it 😂

              By by the way, I tried the c451 board and it worked fine

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