$ 0 0 900N原廠刀盤厚度9MM,super jolly原廠刀盤8.4mm,若更換刻度約要調整多少?風味有差別嗎?還是清潔刀面溝槽較易清潔?另外曾嘗試調整成手沖的刻度後再調回ESPRESSO時,馬達有運轉...