I have used the [http://partsguru.com/JuraCapressoImpressa.html|Parts Guru] repair center (not factory authorized). They have diagrams, parts, and provide repair services. My experience with them is great so far (I purchased a brew group rebuild kit from them for my Impressa A9). Their website is a little “odd”, though.
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The proper answer is to contact Jura Customer Support from their website.
I have used the [http://partsguru.com/JuraCapressoImpressa.html|Parts Guru] repair center (not factory authorized). They have diagrams, parts, and provide repair services. My experience with them is great so far (I purchased a brew group rebuild kit from them for my Impressa A9). Their website is a little “odd”, though.