Ricoh 8120s pro Dirty paper edges

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  • socoolone
    Technician
    • Sep 2015
    • 19
    #1

    Ricoh 8120s pro Dirty paper edges

    I just inherited a 8120s with only 800k on it. Did a full pm on it runs great but the edges of the paper are dirty. Cleaned the paper path and its good for about 1000 prints then it comes back i cant seem to find where the toner is coming from. any help is appreciated.

    Thanks
    Tags: 8120s, back, dirty, edges, paper
    • DRichard
      Trusted Tech

      250+ Posts
      • May 2008
      • 482
      #2
      Re: Ricoh 8120s pro Dirty paper edges

      Originally posted by socoolone
      I just inherited a 8120s with only 800k on it. Did a full pm on it runs great but the edges of the paper are dirty. Cleaned the paper path and its good for about 1000 prints then it comes back i cant seem to find where the toner is coming from. any help is appreciated.

      Thanks
      ALL edges affected or just the lead edge maybe?
      "Enjoy every sandwich."

      -- Warren Zevon

        Comment

        • DRichard
          Trusted Tech

          250+ Posts
          • May 2008
          • 482
          #3
          Re: Ricoh 8120s pro Dirty paper edges

          Originally posted by socoolone
          I just inherited a 8120s with only 800k on it. Did a full pm on it runs great but the edges of the paper are dirty. Cleaned the paper path and its good for about 1000 prints then it comes back i cant seem to find where the toner is coming from. any help is appreciated.

          Thanks
          Check out the Troubleshooting section of your Service Manual. It addresses something like what you are describing. Good luck!
          "Enjoy every sandwich."

          -- Warren Zevon

            Comment

            • anothertech
              Service Manager

              Site Contributor
              1,000+ Posts
              • Nov 2007
              • 1714
              #4
              Re: Ricoh 8120s pro Dirty paper edges

              Pull out the ITB assy. and take the lower plates off. Are they real dirty? Clean them and check to see if the front and rear edges of the ITB are hanging down, the belt stretches and hang low on the ends, touching the plates.

                Comment

                • TonerMunkeh
                  Professional Moron

                  2,500+ Posts
                  • Apr 2008
                  • 3873
                  #5
                  Re: Ricoh 8120s pro Dirty paper edges

                  Check the filters and the ducting in the back. Were they replaced at PM? If not, toner puffing from the dev unit can cause this. If they are fine, there is a duct under the dev unit that fills with toner when the dev unit fails.
                  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

                    • socoolone
                      Technician
                      • Sep 2015
                      • 19
                      #6
                      Re: Ricoh 8120s pro Dirty paper edges

                      Originally posted by DRichard
                      ALL edges affected or just the lead edge maybe?
                      Leading and trail edges toner seems to collect on the belts before the fuser

                        Comment

                        • socoolone
                          Technician
                          • Sep 2015
                          • 19
                          #7
                          Re: Ricoh 8120s pro Dirty paper edges

                          Originally posted by TonerMunkeh
                          Check the filters and the ducting in the back. Were they replaced at PM? If not, toner puffing from the dev unit can cause this. If they are fine, there is a duct under the dev unit that fills with toner when the dev unit fails.
                          thanks i will check the filters and the duct

                            Comment

                            • TonerMunkeh
                              Professional Moron

                              2,500+ Posts
                              • Apr 2008
                              • 3873
                              #8
                              Re: Ricoh 8120s pro Dirty paper edges

                              If you haven't changed them, do all 4. Two in the toner duct and two at the top right hand side.
                              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

                                • socoolone
                                  Technician
                                  • Sep 2015
                                  • 19
                                  #9
                                  Re: Ricoh 8120s pro Dirty paper edges

                                  Originally posted by TonerMunkeh
                                  If you haven't changed them, do all 4. Two in the toner duct and two at the top right hand side.
                                  Wow the ducts were so dirty i blew them out with air and cleaned the filters and ordered new fans and filters thanks for the help that is not in the service manual. You rock i would have been chasing that forever hopefully this fixes the problem

                                  Thanks again

                                    Comment

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