※ This is the guide for Family Mart that still uses the "Fami Port". If you can only find a copy machine, please see below link for the new version of making the payment.
https://support.sakuramobile.jp/hc/en-us/articles/360020854911
STEP1
Please select number 2 as shown on the display.
* You can change the display language from the “LANGUAGE” button on the top right. The languages supported by Smart Pit service are 6 languages including Japanese, Chinese, English, Korean, Portuguese, Russian. ※ This site will be a description of the Japanese screen.
STEP2
The "Smart Pit Payment" option will be shown on display. Press number 6 as shown below.
After that, please enter the Smart Pit number (13 digits) and press the “OK” button.
STEP3
Your bills will be shown on the screen. Touch the item(s) to select your bill(s) to pay. Press the “OK” button to continue.
STEP4
Please check the selected item(s) again and press the “OK” button to print your bill.
STEP5
Your bill is printed. Please take the printed bill to the cashier and make a payment
※ Printed bill expires in 30minutes. In the case it expires, please start over again from step1