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 with a paper clip or Keurig cleaning tool
Reassemble the machine
Fill the reservoir with equal parts white vinegar and water, or use a descaling solution
Run brew cycles without a K-Cup until the reservoir is empty
Let the machine sit for 30 minutes if descaling with vinegar
Rinse the reservoir thoroughly
Fill the reservoir with fresh water
Run multiple water-only brew cycles until the vinegar or solution is gone
Repeat rinsing if needed
Replace the water filter if your model uses one
Clean the machine regularly to prevent buildup