FSC-8500dn

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  • komakino63
    • Jul 2025
    #1

    FSC-8500dn

    hi I have an issue with this printer where black keeps fading, perform dev refresh and works for few days this has been ongoing problem since install, fitted both maintenance kits and now the same thing is happening with new dev, going to try another dev unit and front main and sub pwbs but any ideas would be helpful,
    cheers
    Tags: None
    • DWise
      Senior Tech

      500+ Posts
      • Apr 2010
      • 895
      #2
      Re: FSC-8500dn

      Is EcoPrint on? Check other Print Settings? Using OEM toner?
      Do for one what you wished you could do for everyone. - Andy Stanley

        Comment

        • komakino63
          #3
          Re: FSC-8500dn

          Originally posted by DWise
          Is EcoPrint on? Check other Print Settings? Using OEM toner?
          ecoprint off, using genuine toner, print settings ok, seems like toner starvation.

            Comment

            • copyguy1
              Trusted Tech

              100+ Posts
              • Jul 2011
              • 142
              #4
              Re: FSC-8500dn

              Having the same issue. We have tried 2 different DV units. And the customer called back today saying that the blacks are really washed out again.

                Comment

                • blackcat4866
                  Master Of The Obvious

                  Site Contributor
                  10,000+ Posts
                  • Jul 2007
                  • 23008
                  #5
                  Re: FSC-8500dn

                  All the Saturn bulletins will apply to this machine equally. Particularly the developer motor/cleaning motor bulletin. Firmware current? =^..^=
                  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

                    • copyguy1
                      Trusted Tech

                      100+ Posts
                      • Jul 2011
                      • 142
                      #6
                      Re: FSC-8500dn

                      we updated the firmware just before replaceing the last DVunit.

                        Comment

                        • copyguy1
                          Trusted Tech

                          100+ Posts
                          • Jul 2011
                          • 142
                          #7
                          Re: FSC-8500dn

                          Machine seems not to be adding toner enough. Was looking at ordering toner motors but having trouble finding them in parts book. I was thinking it was part of Fig 21. Just looking for verification on this. Thanks

                            Comment

                            • blackcat4866
                              Master Of The Obvious

                              Site Contributor
                              10,000+ Posts
                              • Jul 2007
                              • 23008
                              #8
                              Re: FSC-8500dn

                              I have seen dead and slow running developer motors. I've never seen a faulty Saturn toner motor. The way you can tell the difference is to look in the toner spout of the developing unit. Is there an unmixed pile of toner, yet it's still asking? Then the developing unit is not agitating. Is the toner thoroughly mix in? Then you may have a toner motor problem. Or the toner cartridge may be seized up.

                              As likelihoods go, I'm leading towards
                              1) the developing motor
                              2) compacted toner in the cartridge
                              3) the toner motor

                              But of course, it's up to you. Look at the Saturn bulletin. =^..^=
                              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

                                • Las Kona
                                  #9
                                  Re: FSC-8500dn

                                  try checking the firmware and then upgrade, but if it started when installed, best to return to manufacturer.

                                    Comment

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