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How to Prevent Oily Beans from Clogging Your Bean-to-Cup Machine
When coffee beans are roasted the oils within them are released, particularly so with beans that are roasted for longer periods. This shouldn't be a problem when beans are ground separately before brewing, but for users of bean-to-cup machines this oiliness can sometimes interfere with the mechanism of their machines, causing problems with beans getting stuck and not flowing effectively into the grinding plates. There are some measures, however, that can be taken to try to avoid this frustrating situation.