mxm365 background on front edge

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  • spokc
    Technician
    • Jan 2009
    • 35
    #1

    mxm365 background on front edge

    there is background on the front ( i mean the front of the machine)edge of the prints and copies
    it seems like it is being written there by the lsu
    its about 2 inches wide and when i switched direction to letter r that also had a background on the edge
    about 1 inch wide
    if it were a mechanical problem it shouldnt have been on the
    letter r print as it wasnt in that area on the letter print could this be caused by process control sensor being dirty?
    anyone experience this problem
    Tags: background, edge, letter, print
    • dwarf
      Trusted Tech

      100+ Posts
      • Oct 2012
      • 168
      #2
      Re: mxm365 background on front edge

      are the paper tray guides in the right position?...they might be shifted to one side...all trays and the bypass do the same?...pls post a sample copy...

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        • spokc
          Technician
          • Jan 2009
          • 35
          #3
          Re: mxm365 background on front edge

          Originally posted by dwarf
          are the paper tray guides in the right position?...they might be shifted to one side...all trays and the bypass do the same?...pls post a sample copy...
          i was wrong about the letter r it did fall into the same zone where the letter showed the back ground but it was less since it was slightly higher up when i centered it on the letter one i could see it on both

          i went back to this machine and ran a bunch of copies with heavy solid areas and the background went away
          sim 25-1 told me the developer tone was ok but i think there is a problem with the dv unit so i am gonna replace it
          i will post result thanks

            Comment

            • dsmith46
              Technician

              Site Contributor
              50+ Posts
              • Oct 2016
              • 81
              #4
              Re: mxm365 background on front edge

              Pictures would be nice as well. Some things to check though: I've had a problem with a MXM565 where it would put a shadow on the rear edge of every page. It turned out to be a defect in the drum process unit; something to do with the quench led plastic lens that is inside the unit. That machine had less than 200k, so it was basically new. Check and make sure the LSU is clean, as well as the rest of the machine. Are the drum seals leaking? Looking at the transfer roller will give you an indication of leaking toner. Just some thoughts.

              Hope it helps.
              Dustin

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                • spokc
                  Technician
                  • Jan 2009
                  • 35
                  #5
                  Re: mxm365 background on front edge

                  the developing unit was bad the doctor blade holder was loose and wouldnt stay where it should be causing excess developer to be in the area where the problem was seen, i replaced the dv unit and developer and now its fine thanks for the tips

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