riso rz 390 output problem

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  • ps22sp
    Technician

    Site Contributor
    50+ Posts
    • Aug 2014
    • 83

    #1

    riso rz 390 output problem

    the center area output image darker , uneven image shown
    any comment and advice are welcome
    thanks
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  • jermyth
    Riso dude

    250+ Posts
    • Mar 2011
    • 438

    #2
    Re: riso rz 390 output problem

    Impression roller is my first guess, needs cleaned or replaced. To clean, remove from machine and carefully scrap the ink built up off with a dull edged utensil like a metal ruler.
    Good luck.

    Comment

    • ps22sp
      Technician

      Site Contributor
      50+ Posts
      • Aug 2014
      • 83

      #3
      Re: riso rz 390 output problem

      Originally posted by jermyth
      Impression roller is my first guess, needs cleaned or replaced. To clean, remove from machine and carefully scrap the ink built up off with a dull edged utensil like a metal ruler.
      Good luck.
      \
      problem solved
      clean the screen inside

      Comment

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