mxc311 sub cyan front 21

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  • gwaddle
    Senior Tech

    500+ Posts
    • May 2009
    • 782

    #1

    mxc311 sub cyan front 21

    Running sim 50-22 on an mxc311 it came back with "sub cyan front 21". I know what the service manual says about this but I don't know what it means. Please educate me if you can.
    I know I should be ashamed of myself. Strangely though, I am not.
  • ZOOTECH
    Senior member of CRS

    Site Contributor
    2,500+ Posts
    • Jul 2007
    • 3375

    #2
    Re: mxc311 sub cyan front 21

    Originally posted by gwaddle
    Running sim 50-22 on an mxc311 it came back with "sub cyan front 21". I know what the service manual says about this but I don't know what it means. Please educate me if you can.
    Try running 50-20 first, this should get you in the ballpark to run 50-22.
    "You can't trust your eyes, if your mind is out of focus" --

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    • Akitu
      Legendary Frost Spec Tech

      Site Contributor
      2,500+ Posts
      • Oct 2010
      • 2595

      #3
      Re: mxc311 sub cyan front 21

      When I've had the primary transfer belt drive gear crack/shatter/blow up these are the errors I usually receive (sub magenta front 21 seems to be the most prevalent). I would recommend checking your primary transfer belt, I've seen this issue pop up with a transfer roller randomly popped out of place as well as when the primary drive gear breaks.
      Cthulhu for president! Why settle for the lesser evil?

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      • copyguy1
        Trusted Tech

        100+ Posts
        • Jul 2011
        • 142

        #4
        Re: mxc311 sub cyan front 21

        I believe there is TB for something like this. They tell you to go to sim 50-20 item a set to 100 and then do 50-22. Good luck

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        • Sharp2
          Junior Member
          • Oct 2012
          • 7

          #5
          Re: mxc311 sub cyan front 21

          In a nutshell a 50-22 error of sub X front/rear Y is telling you the patches on the transfer belt are not even. The image on the belt is skewed too much for the auto adjust to fix. My experience has shown if color registration between to the 2 farthest apart colors is less than 5 MM 50-22 works. If 5 MM or over Sim 50-20 needs to be done, often just setting to defaults and rebooting will allow 50-22 to work.

          Comment

          • Madnhain
            Trusted Tech

            100+ Posts
            • Dec 2012
            • 148

            #6
            Re: mxc311 sub cyan front 21

            Just checking if there was ever a resolution to this.
            I'm working on a c311, got the same thing. Just did maintenance last week, replacing all drum and developer cartridges.
            I tried adjusting the 50-20, examined the Transfer belt, everything looks good. the front 3 inches of the cyan developer cartridge is missing color, so I thought maybe it was a bad developer cartridge. I replaced it with a new one and promptly got an error black front 23 or something like that. Also I got a K_HV_ERR during 44-6. (blk high voltage error I believe).

            There are no error codes, and the machine works "normally" with the exception of crappy copies. prior to replacing the cyan developer cartridge, the test pattern was missing cyan on about 1/4 of the right side of the page, leading me to look at the developer cartridge.

            Any thoughts?
            Happy new year guys and thanks!

            Comment

            • ZOOTECH
              Senior member of CRS

              Site Contributor
              2,500+ Posts
              • Jul 2007
              • 3375

              #7
              Re: mxc311 sub cyan front 21

              Originally posted by Madnhain
              Just checking if there was ever a resolution to this.
              I'm working on a c311, got the same thing. Just did maintenance last week, replacing all drum and developer cartridges.
              I tried adjusting the 50-20, examined the Transfer belt, everything looks good. the front 3 inches of the cyan developer cartridge is missing color, so I thought maybe it was a bad developer cartridge. I replaced it with a new one and promptly got an error black front 23 or something like that. Also I got a K_HV_ERR during 44-6. (blk high voltage error I believe).

              There are no error codes, and the machine works "normally" with the exception of crappy copies. prior to replacing the cyan developer cartridge, the test pattern was missing cyan on about 1/4 of the right side of the page, leading me to look at the developer cartridge.

              Any thoughts?
              Happy new year guys and thanks!
              When you pulled the sealing strips from the DV units, did you see the red stripe at the end, if not you still have part of the seal inside the unit - this would block the DV giving the symptom mentioned.
              "You can't trust your eyes, if your mind is out of focus" --

              Comment

              • Madnhain
                Trusted Tech

                100+ Posts
                • Dec 2012
                • 148

                #8
                Re: mxc311 sub cyan front 21

                Yes, sadly. I always make sure to have a red strip at the end. I thought of that as well, but went and double checked my trash that was still in my van from when I did the maintenance.

                Comment

                • Madnhain
                  Trusted Tech

                  100+ Posts
                  • Dec 2012
                  • 148

                  #9
                  Re: mxc311 sub cyan front 21

                  This morning I replaced the Black Drum unit and the problem was resolved.

                  Comment

                  • spanky
                    Trusted Tech

                    250+ Posts
                    • Sep 2012
                    • 468

                    #10
                    Re: mxc311 sub cyan front 21

                    When you get these codes I agree the transfer belt is the first thing to check.

                    Then go to Sim 50-10 and set the first setting to 100.

                    Then go to Sim 50-20 and set all of the color settings to the default settings.

                    You can then run Sim 50-22 and it should work properly.

                    Comment

                    • sharptech1
                      Trusted Tech

                      100+ Posts
                      • Oct 2011
                      • 163

                      #11
                      Re: mxc311 sub cyan front 21

                      It always pisses me off when black drum/dv units cause color issues. The 311 also has a bad design for the registration/resist ion unit which causes issues.

                      Comment

                      • cyberdyne
                        Junior Member
                        • Feb 2015
                        • 5

                        #12
                        Re: mxc311 sub cyan front 21

                        I had this today only with Yellow! I was pulling my hair out to be fair trying to understand what the problem was. Good to know others have experienced this and some possible reasons, I had to use 50-20 to manually set it up.

                        Also I wasn't able to do a colour calibration, kept failing, maybe it's connected somehow? I have to say i really don't like this model at all. everything takes ages to do, never seems to work first time of trying and never seem to get full life out of consumables!

                        Comment

                        • woko
                          Technician
                          • Jun 2017
                          • 44

                          #13
                          Re: mxc311 sub cyan front 21

                          Hello fellow tech's I have just had this problem on a old (2010) MX3100N just like to say thanks, it was the primary tranfer belt in this case. all your efforts have saved me a lot of time and troyble.

                          Woko

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