The Printer Essentials Real-Time Pricing & Availability is only available in the USA. Before you can setup and use the Printer Essentials Real-Time Pricing & Availability features, you need to contact your Printer Essentials sales rep to obtain a Printer Essentials Customer Number.
You can contact your Printer Essentials representative at 1-800-965-1180.
Select the Real-time tab of the Tools -> Options menu, then select the Other sub-tab and navigate to Printer Essentials.
Make sure to enter your Customer Number.