AR-M455 Eating Developer Units

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  • Buddy
    Trusted Tech

    250+ Posts
    • Aug 2009
    • 285
    #16
    Re: AR-M455 Eating Developer Units

    Nope, no wear on the drum unit housing.

    Sorry guys, the customer has decided to s*&t can the copier. (It has 720,000 copies on it.) So, this issue will have to remain a mystery.

    As always, thanks for all your input and ideas on this!

      Comment

      • nmfaxman
        Service Manager

        Site Contributor
        1,000+ Posts
        • Feb 2008
        • 1702
        #17
        Re: AR-M455 Eating Developer Units

        Originally posted by Buddy
        Nope, no wear on the drum unit housing.

        Sorry guys, the customer has decided to s*&t can the copier. (It has 720,000 copies on it.) So, this issue will have to remain a mystery.

        As always, thanks for all your input and ideas on this!
        Kudos for not giving up. Means a lot in this business.
        Why do they call it common sense?

        If it were common, wouldn't everyone have it?

          Comment

          • Buddy
            Trusted Tech

            250+ Posts
            • Aug 2009
            • 285
            #18
            Re: AR-M455 Eating Developer Units

            Well, apparently Sharp is putting out defective developer units. Just went out to a different machine that I replaced the developer unit in. SAME PROBLEM. Put a brand new DV unit in about two weeks ago and this one has the same wear marks on the mag roller.

            I might also note; These three DV units felt a little gritty when I turned them without developer in them, not the usual smoothness.

              Comment

              • blackcat4866
                Master Of The Obvious

                Site Contributor
                10,000+ Posts
                • Jul 2007
                • 22942
                #19
                Re: AR-M455 Eating Developer Units

                Perhaps the doctor blade is set too tightly? Have you checked the doctor blade height? It should be 0.45mm (plenty of clearance). =^..^=
                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

                  • Buddy
                    Trusted Tech

                    250+ Posts
                    • Aug 2009
                    • 285
                    #20
                    Re: AR-M455 Eating Developer Units

                    Good thought Blackcat. No, I didn't check them. Never had to from the factory. Definitely worth a look. Thanks

                      Comment

                      • DINGO
                        Senior Tech

                        500+ Posts
                        • Nov 2007
                        • 661
                        #21

                          Comment

                          • Buddy
                            Trusted Tech

                            250+ Posts
                            • Aug 2009
                            • 285
                            #22
                            Re: AR-M455 Eating Developer Units

                            New developer.

                              Comment

                              • joegerstner
                                #23
                                Re: AR-M455 Eating Developer Units

                                check the doctor blade gap I've had several where one side was off. The gap is .45 and the adjustment is in service manual

                                  Comment

                                  • Buddy
                                    Trusted Tech

                                    250+ Posts
                                    • Aug 2009
                                    • 285
                                    #24
                                    Re: AR-M455 Eating Developer Units

                                    Yup, the doctor gap was off on the one side. Adjusted it and haven't heard back, but I still think there was something wrong with a batch of units. They just felt gritty when I turned the mag roller BEFORE I put dev in. I received a warranty replacement from Sharp and it felt nice and smooth like they always have in the past.

                                    Thanks to Dingo and Blackcat, and everyone else! As always, this site is a life saver.

                                      Comment

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