Kyocera 4020 creasing paper

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  • NomisNirrad
    Technician

    50+ Posts
    • Mar 2019
    • 93

    Kyocera 4020 creasing paper

    It doesn't happen all of time, I recently replaced the fuser due to the teflon coming off. I re positioned the paper in the cassette and the problem went away. Not sure if it was the paper or not, usually the fuser causes this. 474,796 pages printed total, maint kist was done at AROUND 300,000. No toner in crease, any ideas?
  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22703

    #2
    Re: Kyocera 4020 creasing paper

    Check that the pressure button(s) at not set to envelope.

    My guess is that one is set to envelope and one is set to plain paper. =^..^=
    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

    • Phil B.
      Field Supervisor

      10,000+ Posts
      • Jul 2016
      • 22808

      #3
      Re: Kyocera 4020 creasing paper

      Originally posted by NomisNirrad
      It doesn't happen all of time, I recently replaced the fuser due to the teflon coming off. I re positioned the paper in the cassette and the problem went away. Not sure if it was the paper or not, usually the fuser causes this. 474,796 pages printed total, maint kist was done at AROUND 300,000., and No toner in crease ideas?
      "and No toner in crease ideas?"

      the main clue right there...

      means the crease is PRE DRUM!

      look at registration
      does it buckle too much before the reg?

      Comment

      • Phil B.
        Field Supervisor

        10,000+ Posts
        • Jul 2016
        • 22808

        #4
        Re: Kyocera 4020 creasing paper

        Originally posted by blackcat4866
        Check that the pressure button(s) at not set to envelope.

        My guess is that one is set to envelope and one is set to plain paper. =^..^=
        "and No toner in crease ?"

        umm fuser envelope settings? how come no toner in crease?

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22703

          #5
          Re: Kyocera 4020 creasing paper

          Originally posted by Phil B.
          "and No toner in crease ?"

          umm fuser envelope settings? how come no toner in crease?
          You got me there. Maybe the paper is creased in the tray? =^..^=
          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

          • Santander
            Senior Tech

            Site Contributor
            500+ Posts
            • May 2009
            • 768

            #6
            Re: Kyocera 4020 creasing paper

            Had the same situation on a different model a couple of weeks ago where every sixth or seventh print would show a crease. Sometimes just slightly and other times enough to distort the print. When we switched paper to a ream we provided this issue disappeared. What I suspect was the customer's paper was not cut square and when the registration roller squared up the leading edge of the customer's paper, it created more of a buckle on one side than the other and then when it passed through the registration rollers it created the crease prior to the drum, no toner in the crease. If we had not brought our own paper the customer would not have believed us.

            Comment

            • Phil B.
              Field Supervisor

              10,000+ Posts
              • Jul 2016
              • 22808

              #7
              Re: Kyocera 4020 creasing paper

              Originally posted by blackcat4866
              You got me there. Maybe the paper is creased in the tray? =^..^=
              got ME there..

              he re-positioned trays problem went..

              my Bad Brother.

              Comment

              • NomisNirrad
                Technician

                50+ Posts
                • Mar 2019
                • 93

                #8
                Re: Kyocera 4020 creasing paper

                Both green buttons were up on the fuser, made sure by pressing them both down, then back up.
                She showed me some more this AM, seems a little worse with a 2 vertical creases. I printed some status pages and no creases, she says it seems to happen after sitting idle for 1/2 hour or so. Then when she prints the first pages are creased. After it prints a while it goes away? Going to clean the registration roller to see if it helps.
                Attached Files
                Last edited by NomisNirrad; 04-09-2019, 04:46 PM. Reason: adding picture

                Comment

                • Phil B.
                  Field Supervisor

                  10,000+ Posts
                  • Jul 2016
                  • 22808

                  #9
                  Re: Kyocera 4020 creasing paper

                  Originally posted by NomisNirrad
                  Both green buttons were up on the fuser, made sure by pressing them both down, then back up.
                  She showed me some more this AM, seems a little worse with a 2 vertical creases. I printed some status pages and no creases, she says it seems to happen after sitting idle for 1/2 hour or so. Then when she prints the first pages are creased. After it prints a while it goes away? Going to clean the registration roller to see if it helps.
                  do a stop test *open door in middle of print process* .. let 2-3 page get into machine then open front/side door ..where is it wrinkle/creasing?
                  are the paper guides correct?
                  check machine for scraps of paper?

                  Comment

                  • NomisNirrad
                    Technician

                    50+ Posts
                    • Mar 2019
                    • 93

                    #10
                    Re: Kyocera 4020 creasing paper

                    It didn't happen during the stop test, of course it did crease the first page after though. This is going to be "one of those" calls, at least the printer is in the office next door. I will wait until it has been idle, then retry the stop test.
                    Oh, and thanks to all of you guys for assisting me!

                    Comment

                    • wragsdale
                      Trusted Tech

                      100+ Posts
                      • Jul 2014
                      • 188

                      #11
                      Re: Kyocera 4020 creasing paper

                      Check that the feed assembly isn't missing the spring and the sep assembly is seated properly.

                      Comment

                      • NomisNirrad
                        Technician

                        50+ Posts
                        • Mar 2019
                        • 93

                        #12
                        Re: Kyocera 4020 creasing paper

                        Originally posted by Phil B.
                        "and No toner in crease ideas?"

                        the main clue right there...

                        means the crease is PRE DRUM!

                        look at registration
                        does it buckle too much before the reg?
                        Is there a way to actually see if it is buckling, clear covers on a laser would pretty cool sometimes?! I tried the stop test again this AM but they had already printed before I tried so no crease. They had a bunch of printing to do late yesterday
                        so I haven't had a chance to clean the registration roller yet, I will do that this AM.

                        Comment

                        • NomisNirrad
                          Technician

                          50+ Posts
                          • Mar 2019
                          • 93

                          #13
                          Re: Kyocera 4020 creasing paper

                          Okay I am 99% sure it's the fuser, you can never be 100% sure until you change the part.
                          After around 10 stop tests, I noticed no crease entering the fuser. But when I pulled the paper out of the fuser there was a crease. Tried again and instead of pulling it through the fuser, I manually turned the fuser gears and presto, there was a crease! Having one overnighted as they need to print checks. I did pull the fuser and the red rubber pressure roller has some horizontal ripples in it that are difficult to see and they are only one 1 side, the side where the crease was occurring. Thanks for all of the help guys, I will post back after swapping the fuser and verifying it actually fixed it.

                          Comment

                          • JVergin
                            Service Tech / IT Rep

                            100+ Posts
                            • Jan 2009
                            • 216

                            #14
                            Re: Kyocera 4020 creasing paper

                            If the fuser was just recently replaced, I wonder if it's not seated in just right causing it sometimes skew as it's going into the fuser.

                            Comment

                            • NomisNirrad
                              Technician

                              50+ Posts
                              • Mar 2019
                              • 93

                              #15
                              Re: Kyocera 4020 creasing paper

                              Originally posted by JVergin
                              If the fuser was just recently replaced, I wonder if it's not seated in just right causing it sometimes skew as it's going into the fuser.
                              On this printer the fuser slides out of the rear by pulling a handle. During my stop tests I pulled the fuser out and the half a sheet sticking out of the entrance did not have a crease until I rotated the gears which pulled it through. I replaced this fuser 3 or 4 moths ago but it was not a new fuser, it was used. I hang on to some of the extra parts when replacing maintenance kits that still appear to be in good shape. I did not see the tiny ripples on 1 side of the pressure roller when I looked at it. Usually the first thing to go is the teflon coating which looked perfect on this one.

                              Comment

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