It is placed between the bean hopper and the machine lid.
Its main role is to secure access to the bean hopper:
prevents hands or objects from being inserted into the grinder
reduces the risk of errors (foreign objects, improper handling)
Operation & benefits
Mechanical protection: prevents damage to the grinder (a costly component).
Hygiene / shared use: limits direct intervention in the hopper.
Failure prevention: prevents unsuitable objects or beans from being introduced.
Compatibility
Designed for the Jura X-Line range (professional machines).
Generally used with:
Jura X4, X6, X8, X10 (depending on compatibility per model from resellers).