Cafe Coffee Day Vega Semi Automatic Machine Coffee Maker  (White)

I have 3 of these machines and after 6 months of using, the machine started emitting dark black and green discharge. After checking further I realised there is water logging in places which cannot be cleaned and leading to moss formation on the hinges of base!! hence the green discharge!
Whats worse is where the capsules are inserted and removed, inevitably there is excess water there which also cannot be cleaned leading to black water discharge