When trying to connect to a business Canon printer (such as the iR ADV C5540) via a web interface, try using 7654321 for the username and password.
See also this page.
Article ID: 88
Created On: Thu, Jun 8, 2017 at 5:50 PM
Last Updated On: Wed, Jun 14, 2017 at 4:45 PM
Online URL: https://knowledgebase.stickman.co.uk/article.php?id=88