Coffee out not same as amount of water in/no steam

you have to descalcify the machine not with vinegar .vinegar removr calcium in little pieces and might block the machine descalcifier melt the calcium on the heating element you have lots of calcium that mean less heat you use 1 part descaler 1 part water put in water containerstart the machine for a few second turn off for 10 minute if you never descaled the machine leave it for 15 minute and repeat untill empty rince very good a few water container that stuff is very corosif after a good rinse try the coffee it should be good thank you for using fixya pierre