koinca minolta c3100p lines on copy.

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  • brent
    Service Manager

    Site Contributor
    1,000+ Posts
    • Nov 2008
    • 1183

    koinca minolta c3100p lines on copy.

    I probably put this in the wrong section.. but I will include pics of the lines this little hummer is leaving
    it has 300 prints on it.. it was fine then it started putting just almost solid magenta lines on it.. I replaced
    drum now its the same but cyan.. what have I got going on? any thoughts
    thank you all so much
    brentwallacelib.pdf

    hopefully the file updated thank you
  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22702

    #2
    Re: koinca minolta c3100p lines on copy.

    Notice that there's no yellow? I'd replace the yellow drum. It's shorting out the HVT. =^..^=
    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

    • brent
      Service Manager

      Site Contributor
      1,000+ Posts
      • Nov 2008
      • 1183

      #3
      Re: koinca minolta c3100p lines on copy.

      I will certainly try that.. thank you

      brent

      Comment

      • spree
        Trusted Tech
        • Jun 2012
        • 207

        #4
        Re: koinca minolta c3100p lines on copy.

        Hello,

        - all 4 new drums
        - genuine toners all time of usage

        , but not good printing.

        What is your opinion?
        - Transfer belt? I do not have another one, to change it :-(
        - Voltage problems?
        - Lasers problems?
        Attached Files

        Comment

        • Gift
          Service Manager

          1,000+ Posts
          • Mar 2011
          • 2413

          #5
          Re: koinca minolta c3100p lines on copy.

          Is that elliptic thingy supposed to appear on the first page?

          Comment

          • spree
            Trusted Tech
            • Jun 2012
            • 207

            #6
            Re: koinca minolta c3100p lines on copy.

            Originally posted by Gift
            Is that elliptic thingy supposed to appear on the first page?
            Yes, its supposed to be there those elliptic things.

            Comment

            • allan
              RTFM!!

              5,000+ Posts
              • Apr 2010
              • 5445

              #7
              Re: koinca minolta c3100p lines on copy.

              Originally posted by brent
              I probably put this in the wrong section.. but I will include pics of the lines this little hummer is leaving
              it has 300 prints on it.. it was fine then it started putting just almost solid magenta lines on it.. I replaced
              drum now its the same but cyan.. what have I got going on? any thoughts
              thank you all so much
              brent[ATTACH]39505[/ATTACH]

              hopefully the file updated thank you
              Wow that page hurts my head. Did B.C's advise to change yellow work if you can still remember?
              Whatever

              Comment

              • allan
                RTFM!!

                5,000+ Posts
                • Apr 2010
                • 5445

                #8
                Re: koinca minolta c3100p lines on copy.

                Originally posted by spree
                Hello,

                - all 4 new drums
                - genuine toners all time of usage

                , but not good printing.

                What is your opinion?
                - Transfer belt? I do not have another one, to change it :-(
                - Voltage problems?
                - Lasers problems?
                Those are the worst sample pages to print to try and get an idea there.
                Then save the snapshot of it as a PDF so we can see the thing.
                Download and print a color test chart.
                Whatever

                Comment

                • spree
                  Trusted Tech
                  • Jun 2012
                  • 207

                  #9
                  Re: koinca minolta c3100p lines on copy.

                  Here, bettercp3100.pdf sample

                  Comment

                  • allan
                    RTFM!!

                    5,000+ Posts
                    • Apr 2010
                    • 5445

                    #10
                    Re: koinca minolta c3100p lines on copy.

                    Originally posted by spree
                    Here, better[ATTACH]47911[/ATTACH] sample

                    Will have a good look at the transfer roller in the path and the belt. Take those out and take a pic of both the roller and the transfer belt. Its not the laser. You can see the void valleys from the texture of the paper were the transfer is to weak to make the toner jump another 10 microns more. Remeber something about transfer pressure timing?
                    Whatever

                    Comment

                    • spree
                      Trusted Tech
                      • Jun 2012
                      • 207

                      #11
                      Re: koinca minolta c3100p lines on copy.

                      I gave out int. transfer belt and make photo, and make photo of transfer roller, but now I remember, I changed this spring: A6DR702701 in coveyance section: it could be the possibility of poor printing quality?
                      After the side cover is closed, the conveyance mechanism put the transfer roller down. Which is the right position of transfer roller after closing side cover? Up or down?
                      I make paper jam (open the side cover, when it printing) and the transfer roller was up.
                      I make paper jam and put out itb. transfer belt and the picture at the ITB before reaching transfer roller was at poor quality. What do you think? The customer did not changed the drums (and he lie to me?)
                      Attached Files
                      Last edited by spree; 01-20-2021, 01:03 PM.

                      Comment

                      • allan
                        RTFM!!

                        5,000+ Posts
                        • Apr 2010
                        • 5445

                        #12
                        Re: koinca minolta c3100p lines on copy.

                        Except for the ding in the belt, both roller and belt looks ok. The picture with the image on the belt shows that the transfer is bad. Looking at that most of the image stays on the belt and does not get transferred.

                        Make sure the HV makes proper contact. Also make sure the roller is pressing against the belt. The gears to lift the roller could be installed out of position.

                        Sure those ellipses on the sample print should be there?
                        Last edited by allan; 01-21-2021, 12:41 AM.
                        Whatever

                        Comment

                        • spree
                          Trusted Tech
                          • Jun 2012
                          • 207

                          #13
                          Re: koinca minolta c3100p lines on copy.

                          Yes elipses are in the picture printed from computer.

                          Comment

                          • spree
                            Trusted Tech
                            • Jun 2012
                            • 207

                            #14
                            Re: koinca minolta c3100p lines on copy.

                            Originally posted by allan
                            Except for the ding in the belt, both roller and belt looks ok. The picture with the image on the belt shows that the transfer is bad. Looking at that most of the image stays on the belt and does not get transferred.

                            Make sure the HV makes proper contact. Also make sure the roller is pressing against the belt. The gears to lift the roller could be installed out of position.

                            Sure those ellipses on the sample print should be there?

                            You wrote: Looking at that most of the image stays on the belt and does not get transferred.
                            I wrote: The picture at the transfer belt is BEFORE it reaches transfer roller! It is transfered right from drums!

                            Comment

                            • allan
                              RTFM!!

                              5,000+ Posts
                              • Apr 2010
                              • 5445

                              #15
                              Re: koinca minolta c3100p lines on copy.

                              Originally posted by spree
                              You wrote: Looking at that most of the image stays on the belt and does not get transferred.
                              I wrote: The picture at the transfer belt is BEFORE it reaches transfer roller! It is transfered right from drums!
                              Will have to disagree with you on that statement. It can't develop an entire image on the belt before transfer.
                              The image you got there was on the top of the belt. The transfer belt cleaning blade will be next in line.

                              Right from drums wrong from belt to paper.
                              Last edited by allan; 01-21-2021, 10:25 PM.
                              Whatever

                              Comment

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