Konica Minolta C300i - TCR issue

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  • Kenny
    Senior Tech

    Site Contributor
    500+ Posts
    • Jun 2009
    • 515
    #1

    Konica Minolta C300i - TCR issue

    Hi guys,

    we have recently bought in a C300i 2nd hand with a total of 27k counter, the machine has constant 2558 errors, i have looked at the TCR Levels and there are ALL at 20% which is massively out.

    before buying this machine someone must of replaced the ERB board for whatever reason as the original one is attached to the machine with no connector and the new one is 'hanging' onto the machine via the connector for the ERB board.

    when these ERB boards are replaced it says you have to replace all consumable units is this correct? just wanted to get some info before replacing the consumable units.

    the machine has the lastest firmware on.
    Tags: board, connector, machine, units
    • tsbservice
      Field tech

      Site Contributor
      5,000+ Posts
      • May 2007
      • 7924
      #2
      Re: Konica Minolta C300i - TCR issue

      I'm afraid the cost of replacing all consumables will be close to cost of machine.
      If it was I will try to find a way to make machine do TCRs initialization probably by finding an aftermarket developer unit chips. This way you can hopefully revert levels to acceptable 6-7% range.
      A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
      Blessed are they who can laugh at themselves, for they shall never cease to be amused.

        Comment

        • Kenny
          Senior Tech

          Site Contributor
          500+ Posts
          • Jun 2009
          • 515
          #3
          Re: Konica Minolta C300i - TCR issue

          i have tried to run a load of 255 halftones but wont budge. do you think if i use a dev resetter it will push the TCR's back to normal?

            Comment

            • L0rdC
              Technician
              • Feb 2021
              • 82
              #4
              Re: Konica Minolta C300i - TCR issue

              Originally posted by Kenny
              i have tried to run a load of 255 halftones but wont budge. do you think if i use a dev resetter it will push the TCR's back to normal?
              Reset chips are cheap and unless the controller board is broken and that's why they put it in that machine it should get real percentages, it's not currently giving you real levels so doing 255 prints is useless

                Comment

                • tsbservice
                  Field tech

                  Site Contributor
                  5,000+ Posts
                  • May 2007
                  • 7924
                  #5
                  Re: Konica Minolta C300i - TCR issue

                  Originally posted by Kenny
                  i have tried to run a load of 255 halftones but wont budge. do you think if i use a dev resetter it will push the TCR's back to normal?
                  Yes it should work unless seller didn't swap other parts as L0rdC mentioned.
                  A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
                  Blessed are they who can laugh at themselves, for they shall never cease to be amused.

                    Comment

                    • Synthohol
                      Certified Konica Expert

                      Site Contributor
                      5,000+ Posts
                      • Mar 2016
                      • 5739
                      #6
                      Re: Konica Minolta C300i - TCR issue

                      have you tried resetting background data and stabilize?
                      then try gradations.
                      We know a thing or two because we've seen a thing or two.
                      The medication helps though...

                        Comment

                        • allan
                          RTFM!!

                          5,000+ Posts
                          • Apr 2010
                          • 5459
                          #7
                          Re: Konica Minolta C300i - TCR issue

                          Originally posted by Kenny
                          Hi guys,

                          we have recently bought in a C300i 2nd hand with a total of 27k counter, the machine has constant 2558 errors, i have looked at the TCR Levels and there are ALL at 20% which is massively out.

                          before buying this machine someone must of replaced the ERB board for whatever reason as the original one is attached to the machine with no connector and the new one is 'hanging' onto the machine via the connector for the ERB board.

                          when these ERB boards are replaced it says you have to replace all consumable units is this correct? just wanted to get some info before replacing the consumable units.

                          the machine has the lastest firmware on.
                          Use new consumables to get values back in range then remove and re-chip them. After that install old consumables and tone up or down as needed and cross your fingers. 12% is the highest I have ever seen.... Guess 20% is the max value possible if all of them are on 20%. Could be electronics...

                          See if you can at least get K back in line before wasting any more.
                          Whatever

                            Comment

                            • Kenny
                              Senior Tech

                              Site Contributor
                              500+ Posts
                              • Jun 2009
                              • 515
                              #8
                              Re: Konica Minolta C300i - TCR issue

                              guys using the dev resetter has forced the TCR's to be 6%

                              it came up with a 2414 error but the error goes once you've reset the machine!

                              thank for your suggestions

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