HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 158)

Use HP Web Services applications
1. From the Home screen on the product control panel, touch the Web Services button.
2. Touch the Enable Web Services button.
After you download an application from the HP ePrintCenter Web site, it is available in the Apps menu
on the product control panel. This process enables both HP Web Services and the Apps menu.
144 Chapter 8 Manage and maintain ENWW