DC250 Streaks

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  • reidnigel
    #1

    DC250 Streaks

    I have a Docucolor 250 (not on any contract) that has some print quality issues and I'd appreciate any advice going on what the cause is likely to be. I've attached samples prints to show what's happening. The first image is of the built in test page no 11 printed at 20%. Basicall all colours are pretty good at 100% but when down at lower intensity there various streaking issues especially on cyan and black. All colours have faint streaks but different to the big on on cyan. Yellow is pretty much the same as magenta sample but harder to see so I didn't post it on.

    I have already tried the following. Replaced corotron. Cleaned ROS windows inside and out, but not the mirrors and glass as they looked clean anyway. Cleaned transfer belt. Confirmed that the images appear the same on the transfer belt as they do on paper.


    Thanks in advance for any help...

    Test11@20%.jpgC.jpgK.jpgM.jpg
    Tags: None
    • seansbar
      Trusted Tech

      Site Contributor
      100+ Posts
      • Dec 2010
      • 198
      #2
      Re: DC250 Streaks

      What is the page count of the machine? Are the drums newer? Has developer ever been changed?

      If every thing xerographic is in tiptop shape, I bet that the ROS windows are still dirty.

        Comment

        • JustManuals
          Field Supervisor

          5,000+ Posts
          • Jan 2006
          • 9838
          #3
          Re: DC250 Streaks

          This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


          Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


          Paul@justmanuals.com

            Comment

            • azehnali
              Senior Tech

              500+ Posts
              • Nov 2009
              • 679
              #4
              Re: DC250 Streaks

              you need all new drums and all ros cleaned while you are at it

                Comment

                • adriansto
                  Service Manager

                  Site Contributor
                  VIP Subscriber
                  1,000+ Posts
                  • Nov 2007
                  • 2384
                  #5
                  Re: DC250 Streaks

                  Post a yellow print

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