FS-C8020MFP: System Error F26C

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  • charly76
    • May 2025
    #1

    [Error Code] FS-C8020MFP: System Error F26C

    Hello,

    since today my Kyocera FS-C8020MFP shows an "System Error F26C" on the display and asks me to power off an on the machine - but the error is returning every time i restart the printer... does anyone know, what system error F26C means or can tell me what to do (like press stop-button and number 2 button while powering on machine?)

    Every help woud be welcome...
    Thanx Mike
    Tags: display, error, kmc3232, kyocera, mfp, power, power outage, printer, shows, system, time
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22930
      #2
      Re: FS-C8020MFP: System Error F26C

      That code does not appear in my list, but other codes in the same range indicate a firmware issue. I'd start by re-loading or upgrading firmware. This code does not require a specific reset. Just power Off/On to clear.

      You're a Toshiba tech, aren't you? Only Toshiba uses "hold 2 while powering On ... ".
      =^..^=
      If you'd like a serious answer to your request:
      1) demonstrate that you've read the manual
      2) demonstrate that you made some attempt to fix it.
      3) if you're going to ask about jams include the jam code.
      4) if you're going to ask about an error code include the error code.
      5) You are the person onsite. Only you can make observations.

      blackcat: Master Of The Obvious =^..^=

        Comment

        • charly76
          #3
          Re: FS-C8020MFP: System Error F26C

          Thanks for your reply... I'm sorry - but I'm not a Toshiba-Tech.. it was only an example for "press as many keys as possible while powering on ;o)"
          But back to my issue: I don't have any idea how to update the firmware - I'm an IT Professional so updating firmware is nothing special for me - but I can't access the printers Webinterface (there I know how to do a firmware update) -> is there any other way? And where can I get the firmware? I didn't find anything on the Kyo-Homepage...
          The Printer only shows the welcome-text, then the ECOSYS Logo and then the error-message when powered on...
          Thanks for your help!

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22930
              #4
              Re: FS-C8020MFP: System Error F26C

              On this machine, to load the firmware you would start by downloading the firmware from the Kyocera website. This is the part you're going to have trouble with. You don't have a dealer login. But perhaps Paul can help you out: Just Manuals ~ The Internet's largest selection of manuals ~ Instant Downloads - Just Manuals ~ The Internet's largest selection of manuals ~ Instant Downloads

              Then once you have the firmware, you'll extract it, and load it to the root drive of a USB stick, preferably smaller than 2GB (mine is 250MB). Firmware only on the stick.

              Power Off the MFP, insert the USB stick and power up. The firmware download will start by itself.

              Now the important part: Don't touch anything until you see the "Completed" screen. Take a moment to confirm that firmware levels are recorded for each of the different firmware files. A power outage, or powering off the MFP during firmware download will brick your machine. =^..^=
              If you'd like a serious answer to your request:
              1) demonstrate that you've read the manual
              2) demonstrate that you made some attempt to fix it.
              3) if you're going to ask about jams include the jam code.
              4) if you're going to ask about an error code include the error code.
              5) You are the person onsite. Only you can make observations.

              blackcat: Master Of The Obvious =^..^=

                Comment

                • maku
                  #5

                    Comment

                    • charly76
                      #6
                      Re: FS-C8020MFP: System Error F26C

                      when I had F26C - powering off and on 20 - 40 times helped - (sometimes we had to power off the printer for 24h and then try again) - it worked for a while -> and a few days later the error was back...
                      kyocera sent us an technician who changed the mainboard of our printer - and now it works without error (since about 8 month)
                      be carefull: when changing the mainboard - all your data and settings are lost - save it before the technician starts working - or tell him to do so...
                      the technician here told us that nothing would be lost - and afterwards we had to set up the whole printer again (Network, User, Fax, Adressbook, Datetime, etc.)

                        Comment

                        • Frits
                          Technician
                          • Jun 2009
                          • 62
                          #7
                          Re: FS-C8020MFP: System Error F26C

                          It's a HD error Format the harddisk if error remains change the PWB

                          If you need a up todate file of F code mail me

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