1. Log in to the site by attaching the student card to the scanner on the left
2. Press the "Recharge credit" button
3. Enter the amount and confirm
4. Reconfirm the total payment
5. When prompted at the payment terminal, attach a payment card
6. Once the payment has been made, you can either log out immediately or have a payment confirmation sent to you
7. If you have selected e-mail confirmation, you will log out on the next screen