Turn off and unplug the Keurig
Remove the water reservoir, lid, drip tray, and K-Cup holder
Wash removable parts with warm, soapy water
Rinse and dry all removable parts completely
Wipe the exterior with a damp cloth
Clean the needle using a paper clip or Keurig cleaning tool
Reassemble the machine
Fill the reservoir with equal parts white vinegar and water
Run brew cycles without a K-Cup until the reservoir is empty
Let the machine sit for 30 minutes
Rinse the reservoir thoroughly
Fill the reservoir with fresh water
Run multiple brew cycles with fresh water until the vinegar smell is gone
Clean the drip tray and pod holder again if needed
Repeat descaling every 3 to 6 months