toner blockage in Toner Collection Coil

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  • aaahmmm
    Trusted Tech
    • Aug 2009
    • 103
    #1

    toner blockage in Toner Collection Coil

    i have a problem in 2 machines mp7001 and 9001 the problem that the toner blocked in the PCU at the end of the Toner Collection Coil to the Toner Recycling Ass'y ,this blockage damage all the pcu gears and coil , i change them all for both machines but the problem still , the Toner Recycling Ass'y is working and the coil is rotating also i change it with gear but no help .

    Please advice
    Tags: None
    • vargue
      Trusted Tech

      250+ Posts
      • Oct 2011
      • 404
      #2
      Re: toner blockage in Toner Collection Coil

      Did yo use the same toner in both machine change toner .... toner is bad

        Comment

        • TonerMunkeh
          Professional Moron

          2,500+ Posts
          • Apr 2008
          • 3865
          #3
          Re: toner blockage in Toner Collection Coil

          When's the last time the toner sep case was changed?
          It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.

          Hit it.

            Comment

            • aaahmmm
              Trusted Tech
              • Aug 2009
              • 103
              #4
              Re: toner blockage in Toner Collection Coil

              not from long time ,also i use another toneIMG-20160909-WA0007.jpgIMG-20160909-WA0008.jpgIMG-20160909-WA0009.jpgr lot but the same , the problem that the toner did not reach to the top of the Toner Recycling Ass'y , pleas see photos

                Comment

                • slimslob
                  Retired

                  Site Contributor
                  25,000+ Posts
                  • May 2013
                  • 37365
                  #5
                  Re: toner blockage in Toner Collection Coil

                  Check the collection coil in the pcu. If it is damaged, the waste toner never gets to the recycling unit. If this is allowed to go on too long, the opening in the pcu will become clogged with toner and you might have to replace the entire pcu.

                    Comment

                    • fshead
                      Service Manager

                      1,000+ Posts
                      • Jan 2009
                      • 2360
                      #6
                      Re: toner blockage in Toner Collection Coil

                      Originally posted by slimslob
                      Check the collection coil in the pcu. If it is damaged, the waste toner never gets to the recycling unit. If this is allowed to go on too long, the opening in the pcu will become clogged with toner and you might have to replace the entire pcu.
                      Excessive heat can cause toner to build up too and i usually pull the front coil and vacunm .
                      and then pull drum unit remove the sensor and vacunm everything in the cleaning unit

                        Comment

                        • Iowatech
                          Not a service manager

                          2,500+ Posts
                          • Dec 2009
                          • 3930
                          #7
                          Re: toner blockage in Toner Collection Coil

                          On a closer examination of the second picture you shared recently, it appears that there is a broken tooth on the left hand side of the gear. It doesn't appear that badly broken, but it does indicate that the auger inside that unit has seized up and may have broken internally. That really doesn't make sense as you said the unit was turning.
                          It might be something to check if time permits though.
                          If I am wrong, I apologize for wasting your time.

                          IMG-20160909-WA0008.jpg

                            Comment

                            • slimslob
                              Retired

                              Site Contributor
                              25,000+ Posts
                              • May 2013
                              • 37365
                              #8
                              Re: toner blockage in Toner Collection Coil

                              After Iowatech's post, I took a closer look at the pictures and the first one obviously shows blockage of the opening coming out of the PCU. I also do not see the end of the collection coil and it looks like someone has made an attempt clear the blockage and broken a chunk off the side of the plastic protrusion that mates with the recycle coil.
                              IMG-20160909-WA0007.jpg

                                Comment

                                • sturmtrooper
                                  Copier Combobulator

                                  500+ Posts
                                  • May 2016
                                  • 587
                                  #9
                                  Re: toner blockage in Toner Collection Coil

                                  Originally posted by slimslob
                                  Check the collection coil in the pcu. If it is damaged, the waste toner never gets to the recycling unit. If this is allowed to go on too long, the opening in the pcu will become clogged with toner and you might have to replace the entire pcu.
                                  I had a machine do this for exactly this reason.

                                    Comment

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