Brew Tip: Superautomatic Bi-Pass Doser Dosages

Several models of superautomatic espresso machines feature a bi-pass doser which allows you to use pre-ground espresso to brew coffee without changing the beans in your hopper. Saeco and DeLonghi models allow a maximum of 1 tablespoon or scoop of pre-ground coffee per brew and Jura models allow up to 2 tablespoons or scoops. We occasionally run into situations where customers bring in a superauto for repair because they have used either pre-ground coffee that is too fine or they have used too much of it in the brewing, resulting in the development of a cement-like coffee clog on the brew group and the eventual break down of that group — either by breaking the gears or the group completely seizing up.

In this video, Gail talks to us about how much one should use in the bi-pass doser, as well as shows us an example of the fineness in ground that should be used, demonstrated on the Jura Ena 4.

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