White lines @ magenda 3551ci

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  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22973

    #16
    Re: White lines @ magenda 3551ci

    Originally posted by BillyCarpenter
    That's what I was thinking. Sounds like you've seen this before?
    Yes. If a developer refresh doesn't clear it up, then the magenta developer.
    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

    • tsbservice
      Field tech

      Site Contributor
      5,000+ Posts
      • May 2007
      • 7943

      #17
      Re: White lines @ magenda 3551ci

      Originally posted by BillyCarpenter
      I always pay attention to your advice, tsb. You've helped me out a lot in the past. Thanks.
      Hmm I'm kinda out of my comfort zone talking about things I don't know in debts. So you cannot replace 2 color drum units easily - to exclude whole drum unit? BTW, 600k drums really...I don't doubt it but how you Kyocera guys make it out of contract machines? I mean every client should buy the machine and say Goodbye to the service for ages. In example KM C364 color drum units have like 20% of your drums stated life.
      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

      • blackcat4866
        Master Of The Obvious

        Site Contributor
        10,000+ Posts
        • Jul 2007
        • 22973

        #18
        Re: White lines @ magenda 3551ci

        The biggest undocumented service contract expense, as far as I'm concerned, is the endless stream of enduser resolvable calls, that they make no attempt to resolve "because we have a service agreement".

        Dirty slit glass
        Poorly loaded paper
        Incorrect print driver settings
        Incorrectly loaded toner
        On & on ...

        All resolvable if anybody tried.
        =^..^=
        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

        • Samanator
          Service Manager

          Site Contributor
          VIP Subscriber
          500+ Posts
          • Sep 2017
          • 571

          #19
          Re: White lines @ magenda 3551ci

          Well, I have been proudly wrong before.

          Just ask any of my exes.

          Comment

          • tsbservice
            Field tech

            Site Contributor
            5,000+ Posts
            • May 2007
            • 7943

            #20
            Re: White lines @ magenda 3551ci

            Originally posted by blackcat4866
            The biggest undocumented service contract expense, as far as I'm concerned, is the endless stream of enduser resolvable calls, that they make no attempt to resolve "because we have a service agreement".

            Dirty slit glass
            Poorly loaded paper
            Incorrect print driver settings
            Incorrectly loaded toner
            On & on ...

            All resolvable if anybody tried.
            =^..^=
            Agree. Been there done that. Plus we do it remotely for them just to save our travel time plus many hours of talking with clients on phone trying to explain how to change toner, paper format, etc.
            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

            • BillyCarpenter
              Field Supervisor

              Site Contributor
              VIP Subscriber
              10,000+ Posts
              • Aug 2020
              • 16308

              #21
              Re: White lines @ magenda 3551ci

              Customers are the hardest thing to fix. The majority of my customers are good and that's the way it's been at any placed that I worked for. But then here's how I'd break down the problem ones.


              1. Assholes - no explanation needed.

              2. Dumb - No matter how much training you give them, 2 day later they act is if they've never heard that before.

              3. Technical Wizards. - These people think that they know more than the tech. They'll try to tell us how to do our job or they don't believe us when we tell them something. Some may try to work on the machines themselves. They usually cause a lot of damage by sticking a letter opener in the fuser to remove a jam or something along those lines.

              It's the part of the job that I hate the most.


              Rant over.
              Adversity temporarily visits a strong man but stays with the weak for a lifetime.

              Comment

              • BillyCarpenter
                Field Supervisor

                Site Contributor
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                10,000+ Posts
                • Aug 2020
                • 16308

                #22
                Re: White lines @ magenda 3551ci

                I don't feel like starting a new thread so I'm gonna post this here.


                You can read all the service manuals you want, but NOTHING takes the place of experience. Many of the problems I'm seeing, I'm seeing for the first time. And most of them look different from the old days. I've seen failing DV units many times. Can't recall one that ever left the finite white lines like I posted in the previous example. The only reason I suspected the DV unit was the swirling white void areas.

                Today I ran into a failing transfer belt for the first time. I was able to identify that almost right away because it was affecting all the colors, but still it was my first time seeing one fail. For the most part I see the same problems over and over and that's kind of boring, but at this point boring is good.


                See failing transfer belt below:


                doc00001020210225205432.pdf


                20210225_195646.jpg
                Adversity temporarily visits a strong man but stays with the weak for a lifetime.

                Comment

                • BBM
                  Senior Tech

                  500+ Posts
                  • Dec 2020
                  • 854

                  #23
                  Re: White lines @ magenda 3551ci

                  The transfer belts seem to hold up well and it seems when they start to get a bit "rough and scaly" is when we start having issues with them.

                  Comment

                  • BillyCarpenter
                    Field Supervisor

                    Site Contributor
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                    10,000+ Posts
                    • Aug 2020
                    • 16308

                    #24
                    Re: White lines @ magenda 3551ci

                    I cut the transfer belt off of an old unit and the backside of the belt looks totally different than the top side. It appears to me that the top side has a rubbery coating that is applied to the belt.



                    I'll preface what I'm about to say: I don't have enough experience on these machines as of yet, but I've noticed that sometimes a streaky belt doesn't really affect the prints. But on the picture that I posted above, that pattern showed up on every page. I didn't try to clean the belt...I replaced it. I have that belt at the shop and I may try to clean it just to see if it will work. I have no idea if it will.

                    What's been everyone's experience on a streaky belt?
                    Adversity temporarily visits a strong man but stays with the weak for a lifetime.

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22973

                      #25
                      Re: White lines @ magenda 3551ci

                      Originally posted by BillyCarpenter

                      What's been everyone's experience on a streaky belt?
                      Regardless of what you use to clean it, you have to do 200+ prints to clear the streakyness. I was not satisfied with the results and probably will not repeat it on the Kyocera rubbery belts. I would probably try an orange oil based cleaner followed by an alcohol wash.

                      tmaged claims that the Blow Off branded cleaner works, but I don't have personal experience to confirm that. Maybe worth buying a couple of cans just to see what happens?:


                      I'll be interested in your results. =^..^=
                      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

                      • BillyCarpenter
                        Field Supervisor

                        Site Contributor
                        VIP Subscriber
                        10,000+ Posts
                        • Aug 2020
                        • 16308

                        #26
                        Re: White lines @ magenda 3551ci

                        Originally posted by blackcat4866
                        Regardless of what you use to clean it, you have to do 200+ prints to clear the streakyness. I was not satisfied with the results and probably will not repeat it on the Kyocera rubbery belts. I would probably try an orange oil based cleaner followed by an alcohol wash.

                        tmaged claims that the Blow Off branded cleaner works, but I don't have personal experience to confirm that. Maybe worth buying a couple of cans just to see what happens?:


                        I'll be interested in your results. =^..^=

                        I removed the cleaning bar/pad and blade from the transfer unit. I blew out the unit with an air compressor. I then cleaned the belt with a rag and water. That did nothing to remove the black streaks. I then cleaned a small area with a rag and alcohol. That quickly took the gray rubber coating down the the underneath black surface.


                        I think what's happening with this belt in particular is that the the cleaning blade wears down the gray rubber surface and over time/use it becomes thinner and thinner. I'm gonna install the belt in a bit and see if any of this made a difference.
                        Adversity temporarily visits a strong man but stays with the weak for a lifetime.

                        Comment

                        • BillyCarpenter
                          Field Supervisor

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                          • Aug 2020
                          • 16308

                          #27
                          Re: White lines @ magenda 3551ci

                          Well, the test pages look better but not good enough. My final opinion is to not clean/rub the belt itself. You can clean the blade, cleaning roller and pad and blow it off. Other than that, I think it's a waste of time and may do more harm than good.

                          PS - I do recommend to periodically clean the cleaning roller and pad. Especially the pad. I found a lot of crud under the pad and I believe it's creating wear lines on the belt.

                          Edit: Quick note. When I checked U465/Stress, the rear reading was 1945 and that's where the streaks are found. Stress for front of belt = 2500+.


                          See pictures below of belt after cleaning and test prints:



                          doc00001420210226214236.pdf



                          20210226_201650.jpg
                          Last edited by BillyCarpenter; 02-27-2021, 05:15 AM.
                          Adversity temporarily visits a strong man but stays with the weak for a lifetime.

                          Comment

                          • blackcat4866
                            Master Of The Obvious

                            Site Contributor
                            10,000+ Posts
                            • Jul 2007
                            • 22973

                            #28
                            Re: White lines @ magenda 3551ci

                            Did you notice that you have bad magenta developer spacers on your test machine?

                            I came to the came conclusion. the belt is too delicate to survive cleaning. =^..^=
                            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

                            • BillyCarpenter
                              Field Supervisor

                              Site Contributor
                              VIP Subscriber
                              10,000+ Posts
                              • Aug 2020
                              • 16308

                              #29
                              Re: White lines @ magenda 3551ci

                              Originally posted by blackcat4866
                              Did you notice that you have bad magenta developer spacers on your test machine?

                              I came to the came conclusion. the belt is too delicate to survive cleaning. =^..^=


                              Yeah, I swapped the magenta DV. I didn't realize it was the spacers. What clued you in that it's the spacers?
                              Adversity temporarily visits a strong man but stays with the weak for a lifetime.

                              Comment

                              • blackcat4866
                                Master Of The Obvious

                                Site Contributor
                                10,000+ Posts
                                • Jul 2007
                                • 22973

                                #30
                                Re: White lines @ magenda 3551ci

                                On fill areas >65% you'll see bubbly voids, either to the front or to the back of the page. It's rare to have both developer spacers fail at the same time. Early on, Kyocera came out with a bulletin that future developing units would have the heavier duty developer spacers found on the KM-6551ci (though you could not purchase them separately).

                                This is one of my major complains with Kyocera's color sample page: only very small areas of the sample page have anything but 30% fill. I very nicely hides the developer spacer failure.

                                developer spacers.jpg

                                =^..^=
                                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

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