Hi anyone can help me please

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  • Ko Ah Tar Zaw
    Junior Member
    • Mar 2017
    • 2

    #1

    Hi anyone can help me please

    My riso graph gr 2950 copy output is very poor and ink resolution is not good.how to solve this problem
  • 20gaugeO/U
    Senior Tech

    500+ Posts
    • Feb 2009
    • 553

    #2
    Re: Hi anyone can help me please

    Drum shell and screens are probably clogged from non use if that old machine has low copy counts. Use your favorite solvent and get dirty (inky). There are many posts in here about this same problem and how/what to clean it with

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