How can I print billing receipts / invoices?

To print billing receipts do the following.

Login: https://secure.kpilibrary.com/login?site=library

Go to the Account section, via the link located in the top right corner, or https://secure.kpilibrary.com/account

Go to View Order History, or https://secure.kpilibrary.com/account/orders

Open an invoice / receipt via the View Receipt link. Below the details you will find the options to print your receipt.

In the order history you will find an overview of all invoices / receipts.