Turn off and unplug the Keurig machine
Remove the water reservoir, lid, drip tray, and K-Cup holder
Wash removable parts with warm, soapy water
Rinse and dry all removable parts thoroughly
Wipe the exterior with a damp cloth
Clean the needle with a paper clip or Keurig cleaning tool
Reassemble the machine
Fill the reservoir with a descaling solution or a mixture of equal parts water and white vinegar
Run brew cycles without a K-Cup until the reservoir is empty
Let the machine sit for 30 minutes if descaling
Rinse the reservoir and refill with fresh water
Run several plain water cycles to flush out any remaining solution
Wipe the machine dry
Repeat cleaning regularly to prevent buildup