Fedron was great for typewriter platens and power rollers. We would remove them and put them on a drill. Take a shop rag and lay sandscreen on it and then spin the roller while gripping the roller and moving the rag up and and down, end to end. Rubber dust filled the air. THEN came the Fedron to finish things off.
With Inkbgone, Korkay and a knife I can do wonders.
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