Question 1:the coffee is not strong. Cause1:maybe because of the coarse coffee power Solution:coffee power thickness must like as nestle Nespresso capsule, coffee power need uniform particle. Cayse 2:maybe because of the fluffy coffee power Solution:when you load the coffee,press harder and harder. Question2:When use the steel capsule,do not come coffee or a little coffee,why? Cause 1:maybe in the steel capsule,there is a lot of coffee power Solution:it is better to make the capsule only 95%full of coffee power. Cause 2:maybe the coffee power,very close Solution:please see the instruction,how to fill the coffee power. Cause 3:The coffee so fine. Solution:the coffee powder,do not like as milk power,flour. Cause 4:The holes in the lid,be blocked Solution:Use finished,clean and spare.