Blank Line Problem

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  • Omar Faris
    Technician
    • Oct 2017
    • 15

    #1

    Blank Line Problem

    Hello,

    So the problem is that a blank line appear on paper, the orientation of papers in tray is landscape, this line does not appear always in the same place, also it appears only one time for each page, you can see the picture attached with this post.
    Machine Model = Bizhub 350
    Thanks.
    Attached Files
    Last edited by Omar Faris; 09-16-2021, 11:39 AM. Reason: incomplet post
  • Phil B.
    Field Supervisor

    10,000+ Posts
    • Jul 2016
    • 22798

    #2
    Re: Blank Line Problem

    Originally posted by Omar Faris
    Hello,

    So the problem is that a blank line appear on paper, the orientation of papers in tray is landscape, this line does not appear always in the same place, also it appears only one time for each page, you can see the picture attached with this post.

    Thanks.

    What model machine?

    Sent from my SM-G960U using Tapatalk

    Comment

    • rrrohan
      Service Manager

      Site Contributor
      1,000+ Posts
      • Sep 2011
      • 1977

      #3
      Re: Blank Line Problem

      prob a bug walking around over laser unit

      Comment

      • Omar Faris
        Technician
        • Oct 2017
        • 15

        #4
        Re: Blank Line Problem

        Originally posted by Phil B.
        What model machine?

        Sent from my SM-G960U using Tapatalk

        konica minolta bizhub 350

        Comment

        • rrrohan
          Service Manager

          Site Contributor
          1,000+ Posts
          • Sep 2011
          • 1977

          #5
          Re: Blank Line Problem

          i wasnt joking about the bug btw ive had baby cockroaches cause this

          Comment

          • Omar Faris
            Technician
            • Oct 2017
            • 15

            #6
            Re: Blank Line Problem

            Originally posted by rrrohan
            i wasnt joking about the bug btw ive had baby cockroaches cause this
            So to fix this i need to clean laser unit or what?

            Comment

            • Manikandan T
              Service Manager
              • Sep 2019
              • 14

              #7
              Re: Blank Line Problem

              Originally posted by Phil B.
              What model machine?

              Sent from my SM-G960U using Tapatalk
              i faced it lot of times Check the Mag roller toner and developer not forming some times dust in developer use a business card and swipe left to right between magroller and develop/doctor blade you can see the magic!!!!!

              Comment

              • rrrohan
                Service Manager

                Site Contributor
                1,000+ Posts
                • Sep 2011
                • 1977

                #8
                Re: Blank Line Problem

                void lines are when a laser fails to hit the drum, the fact its moving suggests the thing blocking it is moving as well which is normal a bug. in my experience a moving fault is a moving bug. mice are dumb and will normally get electrocuted but roaches are survivalists

                Comment

                • Manikandan T
                  Service Manager
                  • Sep 2019
                  • 14

                  #9
                  Re: Blank Line Problem

                  i faced it lot of times in 250 and 362
                  you are using A4 or A4R
                  if using A4 Try This
                  Check the Mag roller toner and developer not forming some times dust in developer use a business card and swipe left to right between magroller and develop/doctor blade you can see the magic!!!!!

                  Comment

                  • tsbservice
                    Field tech

                    Site Contributor
                    5,000+ Posts
                    • May 2007
                    • 7970

                    #10
                    Re: Blank Line Problem

                    Originally posted by Manikandan T
                    i faced it lot of times Check the Mag roller toner and developer not forming some times dust in developer use a business card and swipe left to right between magroller and develop/doctor blade you can see the magic!!!!!
                    Agree. Actually it's better to empty developer unit on clean sheet of A3 paper, clear doctor-sleeve gap and screen developer and toner material from debris or caked pieces then poor the mix back into developer unit.
                    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

                    • Phil B.
                      Field Supervisor

                      10,000+ Posts
                      • Jul 2016
                      • 22798

                      #11
                      Re: Blank Line Problem

                      Originally posted by tsbservice
                      Agree. Actually it's better to empty developer unit on clean sheet of A3 paper, clear doctor-sleeve gap and screen developer and toner material from debris or caked pieces then poor the mix back into developer unit.
                      +1

                      Sent from my SM-G960U using Tapatalk

                      Comment

                      • Zesti
                        Trusted Tech

                        250+ Posts
                        • Jun 2009
                        • 308

                        #12
                        Re: Blank Line Problem

                        Originally posted by rrrohan
                        i wasnt joking about the bug btw ive had baby cockroaches cause this
                        Quite applausable....
                        Check magnet roller for that or any missing lines....if clear.....check for cockroaches...

                        Comment

                        • rrrohan
                          Service Manager

                          Site Contributor
                          1,000+ Posts
                          • Sep 2011
                          • 1977

                          #13
                          Re: Blank Line Problem

                          Faults are called bugs for a reason lol

                          Sent from my Pixel 4 XL using Tapatalk

                          Comment

                          • Toxic
                            Senior Tech

                            500+ Posts
                            • Dec 2009
                            • 697

                            #14
                            Re: Blank Line Problem

                            Originally posted by rrrohan
                            i wasnt joking about the bug btw ive had baby cockroaches cause this
                            Lol agreed, it could be the problem for real.
                            Recently have similar problem on C227, few void white lines on black, replaced another drum, checked developing unit, lines still there.
                            When i remove laser i found dead-melted spider on laser glass for black

                            Comment

                            • blackcat4866
                              Master Of The Obvious

                              Site Contributor
                              10,000+ Posts
                              • Jul 2007
                              • 22997

                              #15
                              Re: Blank Line Problem

                              Originally posted by Manikandan T
                              i faced it lot of times Check the Mag roller toner and developer not forming some times dust in developer use a business card and swipe left to right between magroller and develop/doctor blade you can see the magic!!!!!
                              Originally posted by rrrohan
                              void lines are when a laser fails to hit the drum, the fact its moving suggests the thing blocking it is moving as well which is normal a bug. in my experience a moving fault is a moving bug. mice are dumb and will normally get electrocuted but roaches are survivalists
                              Either one of these are likely possibilities. Based on your samples, I'm leaning towards the first one. Either a toner rock or some other foreign contaminant collected under the doctor blade will account for this. Small contaminants tend to wedge in, under the doctor blade, so they stay still. Larger contaminants can float around and show up in different places on the image. =^..^=
                              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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