The self-service printer of South China Normal University can print the files of previous students. According to the public information inquired, previous students can also use the self-service printer to print the scheme. The self-service printer of South China Normal University serves undergraduates, postgraduates and international students. As long as authentication services are provided by verifying QR codes, websites and verification codes, undergraduates, graduate students, international students, current students or former students can use this printer to print documents.