Kyo M6535cidn Black drum marks

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  • JR2ALTA
    Service Manager

    Site Contributor
    1,000+ Posts
    • Feb 2010
    • 2028
    #1

    Kyo M6535cidn Black drum marks

    Same machine, two K drums in the 2 months.

    Last time I replaced the K drum and K dev unit as a precaution.

    Customer calls for blacks marks on page, two little repeating dashes.

    I take the drum out of there is are two white scuff marks on the drum. They clean off, although I left it alone for warranty reasons. They line up with a premature lines on the charge roller.

    The scuffs on the drum definitely white in color. Anybody see this before? This machine design is nothing new, so I hope it's a known issue.


    Thanks in advance.

    I Have pics but the upload feature doesn't seem to function right now. I will try again later


    Tags: None
    • tmaged
      Owner/Service Manager

      Site Contributor
      1,000+ Posts
      • Oct 2008
      • 1858
      #2
      Re: Kyo M6535cidn Black drum marks

      It's the same issue as the 305ci & 356ci's are experiencing. H139 is the bulletin.
      Hope that helps !
      -Tony
      www.dtios.com
      Become a fan on Facebook

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22930
          #3
          Re: Kyo M6535cidn Black drum marks

          Like this?:
          Attached Files
          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

            • nathicana
              Trusted Tech

              Site Contributor
              250+ Posts
              • Aug 2008
              • 327
              #4
              Re: Kyo M6535cidn Black drum marks

              One of our techs had to replace a black drum on a 6535cidn. I think it was for this same problem. When the new drum was installed the machine threw a c7901 (drum unit K eeprom error). Reinstalled old drum and code went away. He is going back with another new drum.

                Comment

                • blackcat4866
                  Master Of The Obvious

                  Site Contributor
                  10,000+ Posts
                  • Jul 2007
                  • 22930
                  #5
                  Re: Kyo M6535cidn Black drum marks

                  I've heard a couple different theories:

                  1) that it's a component of the toner
                  2) that it's dusting powder from the drum blade and/or the transfer blade

                  I don't have any evidence one way or the other. I can tell you that whatever it is cleans off with paraffin lamp oil, followed by an alcohol rinse. Whatever it is appears the same gray color as the buildup on the primary roller (maybe the same?). This was the third drum in 50K images, all with the same issue. It's OEM toner. No other extraneous issues with this machine.

                  You can see where I cleaned a patch 25m wide, the full length of the drum. =^..^=
                  Attached Files
                  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

                    • JR2ALTA
                      Service Manager

                      Site Contributor
                      1,000+ Posts
                      • Feb 2010
                      • 2028
                      #6
                      Re: Kyo M6535cidn Black drum marks

                      Originally posted by blackcat4866
                      I've heard a couple different theories:

                      1) that it's a component of the toner
                      2) that it's dusting powder from the drum blade and/or the transfer blade

                      I don't have any evidence one way or the other. I can tell you that whatever it is cleans off with paraffin lamp oil, followed by an alcohol rinse. Whatever it is appears the same gray color as the buildup on the primary roller (maybe the same?). This was the third drum in 50K images, all with the same issue. It's OEM toner. No other extraneous issues with this machine.

                      You can see where I cleaned a patch 25m wide, the full length of the drum. =^..^=
                      geez, what took them so long to call it in?

                        Comment

                        • blackcat4866
                          Master Of The Obvious

                          Site Contributor
                          10,000+ Posts
                          • Jul 2007
                          • 22930
                          #7
                          Re: Kyo M6535cidn Black drum marks

                          That 's a good question. I've been calling it black rain. =^..^=
                          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

                            • JR2ALTA
                              Service Manager

                              Site Contributor
                              1,000+ Posts
                              • Feb 2010
                              • 2028
                              #8
                              Re: Kyo M6535cidn Black drum marks

                              Originally posted by tmaged
                              It's the same issue as the 305ci & 356ci's are experiencing. H139 is the bulletin.
                              Thanks!

                              But seriously, Kyocera needs to do something about their bulletin search. This is literally how the bulletin comes back when I searched "H139" what cryptic garbage. You would think DEFECTIVE DRUMS could earn a bulletin spot on the machine's main resource page.

                              E:\\TechQA\\2017\\QA_H139_2NR_0036_SB.pdf
                              		| 100%
                              |
                              2NR-0036(H139) ...2NR-0036(H139) DateJuly 14, 2017 ...2NR-0036(H139) DateJuly 14, 2017 Affected serial no.Remarks

                                Comment

                                • Phil B.
                                  Field Supervisor

                                  10,000+ Posts
                                  • Jul 2016
                                  • 22798
                                  #9
                                  Re: Kyo M6535cidn Black drum marks

                                  try using some " Nu-Finish" car polish on the charge roller.. apply and buff off two times... it make the print bolder and keeps the charge roller from building up again....

                                  some ricoh drums were supposed to last 100k ( K&color) they were only making it 30-50k until I showed the boss this trick... saved him money and I got a lil spiff in my next paycheck.

                                    Comment

                                    • n25an
                                      Service Manager

                                      Site Contributor
                                      1,000+ Posts
                                      • Jul 2008
                                      • 1030
                                      #10
                                      Re: Kyo M6535cidn Black drum marks

                                      I found this online...
                                      http://vendor.ipdisk.co.kr:90/publist/VOL1/vendor/Service%20Bulletin/2017%20year/7%EC%9B%94/2%EC%B0%A8/2NR-0036_K.pdf


                                      Originally posted by JR2ALTA
                                      Thanks!

                                      But seriously, Kyocera needs to do something about their bulletin search. This is literally how the bulletin comes back when I searched "H139" what cryptic garbage. You would think DEFECTIVE DRUMS could earn a bulletin spot on the machine's main resource page.

                                      E:\\TechQA\\2017\\QA_H139_2NR_0036_SB.pdf
                                      		| 100%
                                      |
                                      2NR-0036(H139) ...2NR-0036(H139) DateJuly 14, 2017 ...2NR-0036(H139) DateJuly 14, 2017 Affected serial no.Remarks
                                      Sad To Say I Don't Have a Life
                                      I do this stuff on the weekends too

                                        Comment

                                        • n25an
                                          Service Manager

                                          Site Contributor
                                          1,000+ Posts
                                          • Jul 2008
                                          • 1030
                                          #11
                                          Re: Kyo M6535cidn Black drum marks

                                          gotta ask... where you find the service bulletins on the us site... and an english pdf of the bulletin that I found...
                                          Sad To Say I Don't Have a Life
                                          I do this stuff on the weekends too

                                            Comment

                                            • Mr2crazed
                                              Technician
                                              • Jun 2014
                                              • 35
                                              #12
                                              Re: Kyo M6535cidn Black drum marks

                                              I'm seeing this issue also on the TA306ci and didn't know about the bulletin. I ordered a replacement drum nearly a month ago and is on backorder until 11/17.

                                                Comment

                                                • jmaister
                                                  certified scrub

                                                  Site Contributor
                                                  500+ Posts
                                                  • Aug 2010
                                                  • 755
                                                  #13
                                                  Re: Kyo M6535cidn Black drum marks

                                                  you can scratch those things off with finger nail with paper covering carefully. done it too many times.

                                                  The worst is the developer on those things, comet dropping like the 250ci, hopeless.
                                                  Idling colour developers are not healthy developers.

                                                    Comment

                                                    • JettTexas
                                                      Junior Member
                                                      • Oct 2017
                                                      • 2
                                                      #14
                                                      Re: Kyo M6535cidn Black drum marks

                                                      I can't seem to find/download this H139 bulletin. Can anyone send me a copy/working link to it?

                                                        Comment

                                                        • nathicana
                                                          Trusted Tech

                                                          Site Contributor
                                                          250+ Posts
                                                          • Aug 2008
                                                          • 327
                                                          #15
                                                          Re: Kyo M6535cidn Black drum marks

                                                          Here is H139
                                                          Attached Files

                                                            Comment

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