konica minolta 280 stripe when printing

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  • Mitch Barron
    Trusted Tech

    100+ Posts
    • Mar 2013
    • 180

    konica minolta 280 stripe when printing

    Hello wonderfull technicians, how is going today? Hope you guys staying help. I have this issue that still can figure out what is going on with this machine, when I print the test page everything seems normal, page is good, but when the client prints something a stripe comes on the printing here is a picture of it, maybe you guy can guide me in something that I have missed to check.Sineo+284sh20051514230.pdfSineo+284sh20051514230.pdfyou guys can see the pink like like a fade magenta on the botton.
  • tsbservice
    Field tech

    Site Contributor
    5,000+ Posts
    • May 2007
    • 7635

    #2
    Re: konica minolta 280 stripe when printing

    Interesting. For the start run stabilization and gradations, swap some color drums around to see if pink line change color.
    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

    • Mitch Barron
      Trusted Tech

      100+ Posts
      • Mar 2013
      • 180

      #3
      Re: konica minolta 280 stripe when printing

      Originally posted by tsbservice
      Interesting. For the start run stabilization and gradations, swap some color drums around to see if pink line change color.

      I have swap drums, nothing happed, did stabilization and gradations nothing either. I am thinking to swap PH unit to check.

      Comment

      • Synthohol
        Certified Konica Expert

        Site Contributor
        5,000+ Posts
        • Mar 2016
        • 5463

        #4
        Re: konica minolta 280 stripe when printing

        why not just print and post the 4 gradation and halftone test patterns in service mode? a lot can be diagnosed from the output. the printed images do not really help since its process black
        We know a thing or two because we've seen a thing or two.
        The medication helps though...

        Comment

        • Mitch Barron
          Trusted Tech

          100+ Posts
          • Mar 2013
          • 180

          #5
          Re: konica minolta 280 stripe when printing

          Originally posted by Synthohol
          why not just print and post the 4 gradation and halftone test patterns in service mode? a lot can be diagnosed from the output. the printed images do not really help since its process black
          I will do that on Monday that I will go again with a PH unit to try it. if nothing happen I will post all the gradation and halftone.

          Comment

          • rrrohan
            Service Manager

            Site Contributor
            1,000+ Posts
            • Sep 2011
            • 1971

            #6
            Re: konica minolta 280 stripe when printing

            have you tried using the cleaning wand to clean the laser/print head?

            Comment

            • Copier Addict
              Aging Tech

              Site Contributor
              10,000+ Posts
              • Jul 2013
              • 13050

              #7
              Re: konica minolta 280 stripe when printing

              The first thing I try when faced with an issue that seems illogical is update the firmware. Even if it shows the most current, reflashing can solve problems. Plus, it is less invasive than swapping printheads if it works.

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              • Mitch Barron
                Trusted Tech

                100+ Posts
                • Mar 2013
                • 180

                #8
                Re: konica minolta 280 stripe when printing

                Originally posted by rrrohan
                have you tried using the cleaning wand to clean the laser/print head?
                Yes, I have done all that but same outcome.

                Comment

                • Mitch Barron
                  Trusted Tech

                  100+ Posts
                  • Mar 2013
                  • 180

                  #9
                  Re: konica minolta 280 stripe when printing

                  Originally posted by copier addict
                  The first thing I try when faced with an issue that seems illogical is update the firmware. Even if it shows the most current, reflashing can solve problems. Plus, it is less invasive than swapping printheads if it works.
                  I did update the firmware but again same outcome.

                  Comment

                  • Mitch Barron
                    Trusted Tech

                    100+ Posts
                    • Mar 2013
                    • 180

                    #10
                    Re: konica minolta 280 stripe when printing

                    Originally posted by Synthohol
                    why not just print and post the 4 gradation and halftone test patterns in service mode? a lot can be diagnosed from the output. the printed images do not really help since its process black

                    Sineo+284sh20051817570.pdf

                    Comment

                    • Phil B.
                      Field Supervisor

                      10,000+ Posts
                      • Jul 2016
                      • 22808

                      #11
                      Re: konica minolta 280 stripe when printing

                      Originally posted by Mitch Barron
                      [ATTACH]45675[/ATTACH]
                      that isn't the gradation sheets requested...

                      Comment

                      • Mitch Barron
                        Trusted Tech

                        100+ Posts
                        • Mar 2013
                        • 180

                        #12
                        Re: konica minolta 280 stripe when printing

                        Originally posted by Synthohol
                        why not just print and post the 4 gradation and halftone test patterns in service mode? a lot can be diagnosed from the output. the printed images do not really help since its process black

                        Sineo+284sh20051818062.pdfSineo+284sh20051818061.pdfSineo+284sh20051818060.pdfSineo+284sh20051818053.pdfSineo+284sh20051818052.pdfSineo+284sh20051818051.pdf


                        I have change the laser, I have tried swaping the drums from one place to another, I have change the developes with used ones that where working in other machine but same I got these lines hope you guys can see them.

                        Comment

                        • Mitch Barron
                          Trusted Tech

                          100+ Posts
                          • Mar 2013
                          • 180

                          #13
                          Re: konica minolta 280 stripe when printing

                          Originally posted by Phil B.
                          that isn't the gradation sheets requested...
                          no sorry, that was one dark color that I printed that is more visible the other when you scanned them.

                          Comment

                          • Synthohol
                            Certified Konica Expert

                            Site Contributor
                            5,000+ Posts
                            • Mar 2016
                            • 5463

                            #14
                            Re: konica minolta 280 stripe when printing

                            with all due respect, the scans provided are not what i use to diagnose cq.
                            only the 1 black gradation page is remotely helpful.
                            can you print the same original job in monochrome? if there is no fade then black is not the issue.
                            have you stopped the job at different intervals and looked at the belt and fuser?
                            need to see if its in development or transfer. this is all process of elimination.
                            could even be dirty/worn trans belt bushings/roller.
                            We know a thing or two because we've seen a thing or two.
                            The medication helps though...

                            Comment

                            • tsbservice
                              Field tech

                              Site Contributor
                              5,000+ Posts
                              • May 2007
                              • 7635

                              #15
                              Re: konica minolta 280 stripe when printing

                              Ok, not drums,devs, laser. Few left like ITB and sensors. Did you cleaned ITB sensors front and rear? Any warnings or codes? Are they using compatible toners? With such old but good model many copy shops are running their business with non genuine toners.
                              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

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