M3550 Toner worms

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  • DougMoney
    Technician

    50+ Posts
    • Feb 2017
    • 68
    #1

    M3550 Toner worms

    I have an M3550 that leaves lines like the old toner worms on the first few pages. Then they go away and it runs fine until the next print job or so. Copies look fine after the lines disappear. There is only 30K on the drum unit and developer unit. They were both replaced about a year ago. I cleaned the laser lens and everything else I could think of. Any other ideas on this? Thanks,
    Doug
    Tags: fine, lines, m3550, toner, unit
    • GIUBOSS
      Service Manager

      Site Contributor
      1,000+ Posts
      • Jul 2013
      • 1331
      #2
      Re: M3550 Toner worms

      After one year the drum unit can be replaced again, the blade will have deteriorated.

        Comment

        • DougMoney
          Technician

          50+ Posts
          • Feb 2017
          • 68
          #3
          Re: M3550 Toner worms

          Originally posted by GIUBOSS
          After one year the drum unit can be replaced again, the blade will have deteriorated.

          Thanks, that was the only thing I could come up with. I haven't had these go bad that quick before. Thanks for the heads up.

            Comment

            • copyman
              Owner / Technician

              Site Contributor
              2,500+ Posts
              • Sep 2005
              • 4217
              #4
              Re: M3550 Toner worms

              Originally posted by DougMoney
              Thanks, that was the only thing I could come up with. I haven't had these go bad that quick before. Thanks for the heads up.
              Very odd you would automatically have to replace drum after a year. Is there a known issue with that models drums / cleaning blades going bad after a year? Usually a drum is rated on amount of pages run not time. No experience with that model but serviced all brands of copiers over 40 yrs and don't recall having to replace drums / cleaning blades after a year unless the customer ran the full life of drum/blade, damaged the drum, etc. Also had machines sit in warehouse for years and drum / blades had no issues.

              Hopefully you can replace just the cleaning blade if drum not near end of life.

                Comment

                • mga
                  Copier Technician

                  Site Contributor
                  1,000+ Posts
                  • Dec 2010
                  • 1393
                  #5
                  Re: M3550 Toner worms

                  Originally posted by DougMoney
                  I have an M3550 that leaves lines like the old toner worms on the first few pages. Then they go away and it runs fine until the next print job or so. Copies look fine after the lines disappear. There is only 30K on the drum unit and developer unit. They were both replaced about a year ago. I cleaned the laser lens and everything else I could think of. Any other ideas on this? Thanks,
                  Doug
                  Try cleaning the charge unit
                  Regards Mark

                  FOR TRADE AND END USER SERVICE CALLS PLEASE VISIT WEB SITE FOR CONTACT DETAILS. COVERING GREATER LONDON {UK} AND ALL SURROUNDING COUNTIES.

                  RICOH, CANON, KYOCERA, KONICA, SHARP, HP/SAMSUNG BROTHER, LEXMARK.

                  https://copierservices.simdif.com

                    Comment

                    • rapidocument
                      Multibrands Tech

                      250+ Posts
                      • Jul 2012
                      • 381
                      #6
                      Re: M3550 Toner worms

                      If you mean "worms" like the image below then try the altitude adjustment, it works.

                      **sorry, image doesn't load, tried several times***
                      Last edited by rapidocument; 08-08-2020, 03:22 AM. Reason: image didn't upload
                      My INSTAGRAM https://www.instagram.com/reparacion_impresoras_oaxaca

                        Comment

                        • blackcat4866
                          Master Of The Obvious

                          Site Contributor
                          10,000+ Posts
                          • Jul 2007
                          • 22703
                          #7
                          Re: M3550 Toner worms

                          "Toner Worms" typically are caused by charge wires, not a charge roller. Do the lines actually wander left/right like "Toner Worms" do? I can't imagine a charge roller causing this.

                          But I have seen lately on a couple of different models:
                          One of our customers is using particularly crappy paper, leaving tons of paper dust and paper fibers ... some of which cling to the neoprene drum blade ... and yes, they do wiggle left/right. And they are particularly difficult to find. They also get captured by the doctor blade, and are particularly difficult to get out of a sealed developing unit.
                          =^
                          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

                            • JR2ALTA
                              Service Manager

                              Site Contributor
                              1,000+ Posts
                              • Feb 2010
                              • 2017
                              #8
                              Re: M3550 Toner worms

                              Originally posted by blackcat4866
                              "Toner Worms" typically are caused by charge wires, not a charge roller. Do the lines actually wander left/right like "Toner Worms" do? I can't imagine a charge roller causing this.

                              But I have seen lately on a couple of different models:
                              One of our customers is using particularly crappy paper, leaving tons of paper dust and paper fibers ... some of which cling to the neoprene drum blade ... and yes, they do wiggle left/right. And they are particularly difficult to find. They also get captured by the doctor blade, and are particularly difficult to get out of a sealed developing unit.
                              =^
                              Never heard of "toner worms" the first I thought of was fibers like you said. An amalgamation of paper dust, ambient dust and toner.

                              If you're using OEM toner I'd just fix the problem with a parts and try for warranty return.

                              PS fusers are junk on this model, expect them to go every 50-75k.

                                Comment

                                • DougMoney
                                  Technician

                                  50+ Posts
                                  • Feb 2017
                                  • 68
                                  #9
                                  Re: M3550 Toner worms

                                  There are random lines from the leading edge down the page getting lighter as they go but after a couple of pages disappear. They don't appear curvy. The image looks great other than this. I'll try altitude adjustment first. Thank you everyone for all of the advice.

                                  Doug

                                    Comment

                                    • ntbann
                                      Senior Tech

                                      500+ Posts
                                      • Jan 2012
                                      • 613
                                      #10
                                      Re: M3550 Toner worms

                                      A scan of the problem might be helpful!

                                        Comment

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