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  1. #1
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    Riso giving spotty prints with all drums?


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    Riso giving spotty prints with all drums?

    I am using a RP3700 that has been working fine, but now im getting spotty prints such as the photo attached. All the drums are behaving similarly, and they arent dried out. Is this a problem with the pressure rollers? IMG_3692.jpg

    Thank you

    David


  2. #2
    Riso dude 250+ Posts jermyth's Avatar
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    Re: Riso giving spotty prints with all drums?

    It could be from the impression roller, but it kinda looks like under inked drum or dry drum spots. Are you making enough prints per master, 20 - 50?


  3. #3
    Trusted Tech 50+ Posts LA TECH's Avatar
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    Re: Riso giving spotty prints with all drums?

    I would remove the pressure roller and scrapped off the ink on it, reinstalled it and run it, been there and done that and problem solved


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