Pro 951 C2206 and C2238

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  • allan
    RTFM!!

    5,000+ Posts
    • Apr 2010
    • 5445
    #1

    Pro 951 C2206 and C2238

    Been driving me nuts on this one machine.
    Motor checks out the 2 sensors checks out. Mechanically the blade is free to move and as a habit I always leave it set in position 2. Will change the blade manually at around 500K. That blade switching patent is a service call waiting to happen.

    Read the trouble shooting guide and as per that i changed the short harness between the cleaning unit and the cradle.
    Its consistently intermittently. Will error out a bunch of times if not C2206 then C2238. Will fiddle with it and then it will be ok for weeks. Other wise it will happen once every other day. Changed the cleaning unit out twice now but with used parts with no history.

    Thinking to change out the drum cradle and cleaning unit at once.

    Any one know why it bombs out?
    Whatever
    Tags: blade, change, cleaning, unit
    • wjurls
      Trusted Tech

      Site Contributor
      250+ Posts
      • Feb 2017
      • 460
      #2
      Re: Pro 951 C2206 and C2238

      There are about 6 different connections between the cleaning unit and the printer control board. Each connection drops a little voltage. It really doesn't take much to cause these errors as a result. We have had great success correcting this issue by simply hitting all the connections with "Deoxit" contact treatment.

      Amazon.com
      https://www.amazon.com/Hosa-D5S-6-DeoxIT-Contact-Cleaner/dp/B00006LVEU/ref=sr_1_1?dchild=1&keywords=deoxit+cleaner&qid=1606854535&sr=8-1


      You must also re-index the cleaning blade gears to the right position before powering the machine back up as well.

      Lee

        Comment

        • allan
          RTFM!!

          5,000+ Posts
          • Apr 2010
          • 5445
          #3
          Re: Pro 951 C2206 and C2238

          Originally posted by wjurls
          There are about 6 different connections between the cleaning unit and the printer control board. Each connection drops a little voltage. It really doesn't take much to cause these errors as a result. We have had great success correcting this issue by simply hitting all the connections with "Deoxit" contact treatment.

          https://www.amazon.com/Hosa-D5S-6-DeoxIT-Contact-Cleaner/dp/B00006LVEU/ref=sr_1_1?dchild=1&keywords=deoxit+cleaner&qid=1606854535&sr=8-1


          You must also re-index the cleaning blade gears to the right position before powering the machine back up as well.

          Lee
          Yes i remove the two screws holding the gear assy then let it drop back then reinstall it.
          Tend to agree with you about the contacts.
          Whatever

            Comment

            • wjurls
              Trusted Tech

              Site Contributor
              250+ Posts
              • Feb 2017
              • 460
              #4
              Re: Pro 951 C2206 and C2238

              Originally posted by allan
              Yes i remove the two screws holding the gear assy then let it drop back then reinstall it.
              Tend to agree with you about the contacts.

              We have a fleet of over 100, 951's here and have seen this particular problem more times than we can count. Deoxit was our saving grace.

                Comment

                • kmcopytech
                  Trusted Tech

                  100+ Posts
                  • Dec 2007
                  • 141
                  #5
                  Re: Pro 951 C2206 and C2238

                  IMG_20201202_111345.jpg

                  Remove this circle. it's done!

                  Good Luck!

                    Comment

                    • allan
                      RTFM!!

                      5,000+ Posts
                      • Apr 2010
                      • 5445
                      #6
                      Re: Pro 951 C2206 and C2238

                      Originally posted by kmcopytech
                      [ATTACH=CONFIG]47473[/ATTACH]

                      Remove this circle. it's done!

                      Good Luck!
                      You mean disable the retraction and let the blade run free on the drum?
                      Whatever

                        Comment

                        • blackcat4866
                          Master Of The Obvious

                          Site Contributor
                          10,000+ Posts
                          • Jul 2007
                          • 22696
                          #7
                          Re: Pro 951 C2206 and C2238

                          Originally posted by kmcopytech
                          [ATTACH=CONFIG]47473[/ATTACH]

                          Remove this circle. it's done!

                          Good Luck!
                          Sure, you'll get past th the error code, but the blade will never flip at 500K.

                          I've seen those sensors get dirty, and the blade flip mechanism can get caked in toner making it hard to move. We've also seen a few bad PRCB boards cause this. In all cases I've been able to trick the machine into thinking that the blade flipped, and it finishes the PM cycle with no problem. =^..^=
                          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

                            • allan
                              RTFM!!

                              5,000+ Posts
                              • Apr 2010
                              • 5445
                              #8
                              Re: Pro 951 C2206 and C2238

                              Originally posted by blackcat4866
                              Sure, you'll get past th the error code, but the blade will never flip at 500K.

                              I've seen those sensors get dirty, and the blade flip mechanism can get caked in toner making it hard to move. We've also seen a few bad PRCB boards cause this. In all cases I've been able to trick the machine into thinking that the blade flipped, and it finishes the PM cycle with no problem. =^..^=

                              I don't even bother with the automatic blade change any more. On a 951 i think its 375K and 1250 500K.
                              The drums can do anything from 1.2M past 2M depending on environment, the blades fail before the drum.
                              I just mark the blades properly and let it run in position 2 only. Blade can do 600K before the patches starts showing up on the copies.

                              Was there this morning and did the same old thing, set it proper but this time i washed the harness and connectors in WD40.
                              Must get some proper electrical spray first.

                              Did not come back yet. Now more sure its an electrical contact issue.


                              If you remove that linkage the blade will run against the drum with more pressure than normal i would think.
                              The error codes can still occur with this removed.
                              Whatever

                                Comment

                                • kmcopytech
                                  Trusted Tech

                                  100+ Posts
                                  • Dec 2007
                                  • 141
                                  #9
                                  Re: Pro 951 C2206 and C2238

                                  After removal，

                                  The machine has printed 2050K,

                                  It will be no more c2206 / C2238 error code.

                                  4b4697c8e71b1fdb697c50cc5956c91.jpg
                                  3ba797808788d4001c7320f8ac33049e.jpg
                                  16f2f77705f868d881b3d313fd41daf.jpg

                                    Comment

                                    • allan
                                      RTFM!!

                                      5,000+ Posts
                                      • Apr 2010
                                      • 5445
                                      #10
                                      Re: Pro 951 C2206 and C2238

                                      Originally posted by kmcopytech
                                      After removal，

                                      The machine has printed 2050K,

                                      It will be no more c2206 / C2238 error code.

                                      [ATTACH=CONFIG]47486[/ATTACH]
                                      3[ATTACH=CONFIG]47487[/ATTACH]
                                      [ATTACH=CONFIG]47488[/ATTACH]

                                      Will give that a go if nothing else solves the problem. Don't like the idea of the blade permanently running on the drum surface. But if it comes to that.
                                      Still need to get proper water repelling electrical spray. Must get what i can locally, Ordering stuff from ZA takes forever.

                                      After washing the connector and harness by submersing it in Q20(same as WD40 only better) the codes are gone for now.
                                      Leading me to belief that its a fault on the wiring.
                                      Whatever

                                        Comment

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