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  • Small pinholes are apparent

    Probable Cause Possible Solution
    Pad  
    Surface is damaged Replace pad or place it so that damaged area won’t interfere with image
    Pad is too flat Use pointed shape pad
    Too soft Use a harder pad
    Cliché  
    Bad etching due to error or dust during exposure stage Redo the etching
    Ink  
    Ink is too thick Add more thinner
    Material  
    Rough surface Use a firmer pad
    Dirty parts Clean them before printing
    Other  
    Ink contaminated with silicone or oils Replace with new ink