MX-M7570 upper web sticking

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  • bilyahn
    Service Manager

    1,000+ Posts
    • Dec 2006
    • 1452
    #1

    MX-M7570 upper web sticking

    Good morning

    Have an MX-M7570 that recently started to have the upper web start sticking. Have tried several things so far.

    Replaced the fusing unit, including the web
    Unit worked for about a week and then stuck again
    Adjust sim 43-32 settings for web motion/no change
    When I performed 43-31 web test it originally moved properly then stopped working
    Checked 24VDC to motor/good
    Replaced motor
    Replaced web
    Checked gears on web drive/good
    Test web in sim 43/worked
    Stopped next day web stuck again

    Not sure of my next steps. Thinking something with the harness or PCU board. I notice there is a slightly newer firmware. I will put that in today.

    Any suggestions would be greatly appreciated.

    Thank you.

    Bil
    Tags: mx-m7570, replaced, stopped, stuck, web
    • Grey Puma
      Junior Member
      • Apr 2023
      • 1
      #2
      Re: MX-M7570 upper web sticking

      Bill, check the fuser temperature values. It may have been turned back from default at some point due to paper curl, etc. It get very built up due to the unfused toner collecting.

        Comment

        • Hansen88
          Service Manager

          Site Contributor
          1,000+ Posts
          • Dec 2009
          • 1010
          #3
          Re: MX-M7570 upper web sticking

          Originally posted by Grey Puma
          Bill, check the fuser temperature values. It may have been turned back from default at some point due to paper curl, etc. It get very built up due to the unfused toner collecting.
          Make sure the pressure springs are pressurized. If toner is not fusing 100% it can load up the web and cause it to stick.

            Comment

            • bilyahn
              Service Manager

              1,000+ Posts
              • Dec 2006
              • 1452
              #4
              Re: MX-M7570 upper web sticking

              Thank you for the suggestions. I am going back this morning and will check those. I'm pretty sure they are in the correct positions but I have been trying anything I can to figure this out without replacing a board, LOL

              Thank you

              Bil

                Comment

                • chatkal
                  Technician
                  • Aug 2015
                  • 46
                  #5
                  Re: MX-M7570 upper web sticking

                  Try to set "preheat time" to 1 min. If the fuser stays on for a long time it may dry out cleaning tissue.

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22662
                      #6
                      Re: MX-M7570 upper web sticking

                      We used to see those sort of problem on very low volume machines.

                      At normal print volume the web is consumed quick enough so that it does not stick, but with longer run-up and cool down times, and long sleep timer settings, the web can dry out. I can get so sticky that it sound like peeling packing tape off of the roll. I'm not sure about this model (I was working on Canons at the time), but there may be an adjustment to increase the rate of advance on the web. You'll have to change the web sooner, but it's worth it.

                      If you worked on the Kyocera Harrier series (KM-6030, KM8030), we had quite a lot of trouble with keeping the heat roller clean. I got plenty of opportunities to adjust web advance on this series.

                      Let me know what you find Bil. =^..^=
                      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

                        • mommok
                          Technician
                          • Jul 2014
                          • 46
                          #7
                          Re: MX-M7570 upper web sticking

                          we have seen this a lot as well. we have found the web drive control leaver gets worn out ( the machines we have in the field have an average of 5 million clicks on them and get heavy use daily). part number MLEVP1303FCZZ

                            Comment

                            • bilyahn
                              Service Manager

                              1,000+ Posts
                              • Dec 2006
                              • 1452
                              #8
                              Re: MX-M7570 upper web sticking

                              Originally posted by blackcat4866
                              We used to see those sort of problem on very low volume machines.

                              At normal print volume the web is consumed quick enough so that it does not stick, but with longer run-up and cool down times, and long sleep timer settings, the web can dry out. I can get so sticky that it sound like peeling packing tape off of the roll. I'm not sure about this model (I was working on Canons at the time), but there may be an adjustment to increase the rate of advance on the web. You'll have to change the web sooner, but it's worth it.

                              If you worked on the Kyocera Harrier series (KM-6030, KM8030), we had quite a lot of trouble with keeping the heat roller clean. I got plenty of opportunities to adjust web advance on this series.

                              Let me know what you find Bil. =^..^=
                              Hi blackcat

                              They do between 3 and 4K images a day so no joy there. I have adjusted the web advance but didn't help. I have ordered a PCU board. Only thing I can figure is there is something with the board not telling the web to advance. One thing I have noticed is the new webs seem awful dry out of the wrapper not like the old web rollers. I have had several of this series have web sticking problems but only after they have been sitting for awhile and it's normally the lower web not the upper.

                              Thanks

                                Comment

                                • bilyahn
                                  Service Manager

                                  1,000+ Posts
                                  • Dec 2006
                                  • 1452
                                  #9
                                  Re: MX-M7570 upper web sticking

                                  Originally posted by mommok
                                  we have seen this a lot as well. we have found the web drive control leaver gets worn out ( the machines we have in the field have an average of 5 million clicks on them and get heavy use daily). part number MLEVP1303FCZZ
                                  I looked at the drive gears but did not remove them. But I can advance the web in simulation so I think the gear is good but I will take a CLOSER LOOK.

                                  Thank you

                                    Comment

                                    • bilyahn
                                      Service Manager

                                      1,000+ Posts
                                      • Dec 2006
                                      • 1452
                                      #10
                                      Re: MX-M7570 upper web sticking

                                      Originally posted by chatkal
                                      Try to set "preheat time" to 1 min. If the fuser stays on for a long time it may dry out cleaning tissue.
                                      I will give this a try this morning.

                                      Thank you

                                        Comment

                                        • Massimo
                                          Technician
                                          • Feb 2023
                                          • 13
                                          #11
                                          Re: MX-M7570 upper web sticking

                                          E' successo la stessa cosa a me su una mx-m6570 , ho sosituito le stesse cose che tu hai fatto tranne la scheda , sta ora funzionando da mesi perche' ho tolto il gruppo pulizia web superiore , sono tornato dopo mesi e il rullo superiore e' ancora pulito, fammi sapere se cambiando scheda risolvi. Grazie

                                            Comment

                                            • bilyahn
                                              Service Manager

                                              1,000+ Posts
                                              • Dec 2006
                                              • 1452
                                              #12
                                              Re: MX-M7570 upper web sticking

                                              Originally posted by Massimo
                                              E' successo la stessa cosa a me su una mx-m6570 , ho sosituito le stesse cose che tu hai fatto tranne la scheda , sta ora funzionando da mesi perche' ho tolto il gruppo pulizia web superiore , sono tornato dopo mesi e il rullo superiore e' ancora pulito, fammi sapere se cambiando scheda risolvi. Grazie
                                              Interesting. I thought about doing this but I will let you know. Thanks for the information.

                                              Bil

                                                Comment

                                                • EyesProdigy
                                                  Technician
                                                  • Sep 2023
                                                  • 13
                                                  #13
                                                  Re: MX-M7570 upper web sticking

                                                  Originally posted by bilyahn
                                                  Hi blackcat

                                                  They do between 3 and 4K images a day so no joy there. I have adjusted the web advance but didn't help. I have ordered a PCU board. Only thing I can figure is there is something with the board not telling the web to advance. One thing I have noticed is the new webs seem awful dry out of the wrapper not like the old web rollers. I have had several of this series have web sticking problems but only after they have been sitting for awhile and it's normally the lower web not the upper.

                                                  Thanks
                                                  Yeah, I had that problem of sheets sticking too, had to change everything out

                                                    Comment

                                                    • blackcat4866
                                                      Master Of The Obvious

                                                      Site Contributor
                                                      10,000+ Posts
                                                      • Jul 2007
                                                      • 22662
                                                      #14
                                                      Re: MX-M7570 upper web sticking

                                                      Originally posted by bilyahn
                                                      I looked at the drive gears but did not remove them. But I can advance the web in simulation so I think the gear is good but I will take a CLOSER LOOK.

                                                      Thank you
                                                      If you've been able to advance the web in simulation, then you've ruled out everything but the PCB. I think you've covered all the bases. =^..^=
                                                      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

                                                        • mloudy
                                                          Senior Tech

                                                          500+ Posts
                                                          • Oct 2015
                                                          • 740
                                                          #15
                                                          Re: MX-M7570 upper web sticking

                                                          Just seeing this happen on one M7570 which was installed 14 months ago in a school. We installed 2 at the same time and only one is doing it. This copier runs 50K per month except for summer time. First showed up at 502K.

                                                          We are going to install an upper web drive unit from a M654N and see what happens. We have installed different fusers and can advance the web in sims. Runs a few days and stalls again.

                                                            Comment

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