Abstract: A printing system includes a cloud service including a first print job queue, a print server including a second print job queue, and a client computer. The client computer sends print information to the cloud service via a second network in accordance with a print instruction from a user. The cloud service creates a print job from the print information, stores the print job in the first print queued, and sends the print job stored in the first print queue to the print server via a first network. The print server stores the print job in the second print queue.

Abstract: A mobile device for providing user authentication for a user accessing a website on a further device is provided. The mobile device includes a user interface; a display screen; a camera; a communication module; and a processor wherein the mobile device is configured to receive, via the user interface, an authentication request from a user, generate, using the processor, a machine-readable label generation code responsive to the authentication request, display, on the display screen, the generated machine-readable label generation code, capture, via the camera, an image of a machine-readable label, and verify, using the processor, that the machine-readable label in the captured image was generated using the machine-readable label generation code.