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 all parts thoroughly and let them air-dry
Wipe the outside of the machine 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
Run brew cycles without a K-Cup until the reservoir is empty
Let the machine sit for 30 minutes if needed
Rinse the reservoir, fill it with fresh water, and run several water-only brew cycles
Repeat rinsing until the vinegar smell is gone
Replace the water filter if your model uses one
Clean the Keurig regularly to prevent buildup