To reduce excess grounds coming through along with your filled Capsi capsule, and to ensure the capsule is completely filled:

1. Do not overfill the machine. Use 1-2 scoops of ground coffee only per capsule and
2. Pull-and-push the lever twice and fully, ensuring the tamping process is completed every time

For a look at the recommended filling process, check out the following video.

If your Capsulier machine has been overfilled: 

Disassemble and thoroughly clean the Capsulier before continuing use.

1. Disassembling the top cover for cleaning

2. Reassembling the cover