Toner dump AR-M455U

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  • Ray Gates
    Technician
    • Aug 2013
    • 33
    #1

    [Misc] Toner dump AR-M455U

    I just did two 200,000 service on a couple machines. The first went well but the second is a mess. When I opened it up toner was everywhere to include the bottom drawer, This was causing paper feed problems due to all the toner on the media. I cleaned up the machine, replace the DV, Drum, toner cartridge and fuser. As soon as I fireed it it made perfect copies and functioned great. No miss-feeds, jams or bad copies. When I opened up again toner was again all over the insides. Thinking maybe I installed a bad component I swapped out with the machine I had finished. It did not change anything on either machine. First machine was still operating perfect while second dumped toner.
    It appears the toner is coming from the rear of the drum where it attaches to the motor. Nothing appears to be damaged anywhere.
    Has anyone experience this with the AR455?
    Tags: None
    • draph
      Trusted Tech

      100+ Posts
      • Jan 2010
      • 132
      #2
      Re: Toner dump AR-M455U

      Originally posted by Ray Gates
      I just did two 200,000 service on a couple machines. The first went well but the second is a mess. When I opened it up toner was everywhere to include the bottom drawer, This was causing paper feed problems due to all the toner on the media. I cleaned up the machine, replace the DV, Drum, toner cartridge and fuser. As soon as I fireed it it made perfect copies and functioned great. No miss-feeds, jams or bad copies. When I opened up again toner was again all over the insides. Thinking maybe I installed a bad component I swapped out with the machine I had finished. It did not change anything on either machine. First machine was still operating perfect while second dumped toner.
      It appears the toner is coming from the rear of the drum where it attaches to the motor. Nothing appears to be damaged anywhere.
      Has anyone experience this with the AR455?
      Have you investigated the waste toner delivery system? I had an auger break so that it couldn't move the waste toner back to the cartridge.

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22927
          #3
          Re: Toner dump AR-M455U

          Originally posted by draph
          Have you investigated the waste toner delivery system? I had an auger break so that it couldn't move the waste toner back to the cartridge.
          Ditto that. Remove the drum from the drum unit, then turn the cleaning unit drive coupler. I've seen them break in a variety of ways:

          1) The "D" shaped shaft could spin within the "D" shaped cutout in the coupler
          2) The "D" shaped shaft could break just beyond the coupler
          3) the teeth snap off of the coupler/gear
          4) The post that supports the tiny idler gear snaps off of the cleaning unit main body.
          5) The tiny idler gear loses teeth
          6) The short auger at the front of the cleaning unit snaps in half

          When you confirm it, the best solution is to order the cleaning unit assembly. =^..^=
          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

            • sharptech1
              Trusted Tech

              100+ Posts
              • Oct 2011
              • 163
              #4
              Re: Toner dump AR-M455U

              you sure the corona isn't broke?

                Comment

                • draph
                  Trusted Tech

                  100+ Posts
                  • Jan 2010
                  • 132
                  #5
                  Re: Toner dump AR-M455U

                  Originally posted by sharptech1
                  you sure the corona isn't broke?
                  This unit doesn't use any coronas.

                    Comment

                    • Akitu
                      Legendary Frost Spec Tech

                      Site Contributor
                      2,500+ Posts
                      • Oct 2010
                      • 2595
                      #6
                      Re: Toner dump AR-M455U

                      Noted in OP's post that [s]he did not change transfer roller. Worn transfer roller will pull extra toner and disperse it all over the drum cavity.
                      Cthulhu for president! Why settle for the lesser evil?

                        Comment

                        • blackcat4866
                          Master Of The Obvious

                          Site Contributor
                          10,000+ Posts
                          • Jul 2007
                          • 22927
                          #7
                          Re: Toner dump AR-M455U

                          Originally posted by Akitu
                          Noted in OP's post that [s]he did not change transfer roller. Worn transfer roller will pull extra toner and disperse it all over the drum cavity.
                          True that. And if the transfer roller gear is worn, it will pull developer. =^..^=
                          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

                            • draph
                              Trusted Tech

                              100+ Posts
                              • Jan 2010
                              • 132
                              #8
                              Re: Toner dump AR-M455U

                              But if a 200K maintenance was done the transfer roller would have been included with the kit. Right?

                                Comment

                                • blackcat4866
                                  Master Of The Obvious

                                  Site Contributor
                                  10,000+ Posts
                                  • Jul 2007
                                  • 22927
                                  #9
                                  Re: Toner dump AR-M455U

                                  Originally posted by draph
                                  But if a 200K maintenance was done the transfer roller would have been included with the kit. Right?
                                  Roller, yes. Gear, no. They typically last only 2 PM cycles. =^..^=
                                  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

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