Chosen Solution

No matter what setting I choose, my Ninja brews less than 4 oz. It also leaks but I wouldn’t think the small leakage amount would cause it to not brew 8 oz when selected. What could be the problem?

Jeff Vince asked a similar question 6 years ago. Why does my Ninja brew more water than specified? It seems to be the opposite of his answer. You under-filled the reservoir.