Authentication system using a code with a mobile application

A method for using a mobile application on a mobile device for authentication at a printing device, the method comprising:

• generating a first code by the mobile application;
• storing a first authentication token and the first code on a document processing platform;
• and
• providing the first code on the mobile device, wherein the first code is input into a printing device to instruct the printing device to retrieve the first authentication token from the document processing platform.

A method for accessing a document from an application, the method comprising:

• entering a code at a printing device;
• sending the code to a document processing platform;
• receiving an authentication token corresponding to the code from the document processing platform;
• providing the authentication token to the application;
• establishing a connection between the application and the printing device based on the authentication token;
• and
• making the document available to the printing device through the connection.