Keurig is not brewing a full cup?

Here are a few possible reasons why your Keurig is not brewing a full cup:

- Clogged needle: If the needle is clogged, the water won't properly flow into the K-Cup. Clean the needle with a paperclip or toothpick.

- Air pocket in the line: There may be an air pocket in the water line. To fix this, make sure the water reservoir is full and run a few cycles with just water.

- Scale buildup: Scale (calcium and magnesium deposits) can build up inside the Keurig and prevent the water from flowing properly. To descale Keurig, you can use a mixture of equal parts vinegar and water. Run the descaling solution through the Keurig several times, then rinse with water.

- Incorrect K-Cup size: If the K-Cup is not the correct size, the water won't fill it properly. Make sure you are using the correct size K-Cup for your Keurig model.

- Defective Keurig: If none of the above solutions work, the Keurig itself may be defective. Contact Keurig customer service for assistance.