A:AnswerI did the same thing at first but then realized the carafe I originally ordered was for the K Duo Essentials and I have the K Duo Single Serve & Carafe. The Essentials carafe is shorter and won't push up the spring on the filter basket. Make sure you order for the K Duo Single Serve & Carafe!
A:AnswerIf you want to brew a single cup, press the cup, chose amount and press the big button. To turn the warmer back on press and hold the pot button until it lights back up.