From what it seems, the BCL easyPDF Printer software is configured to print that way. Somehow you changed some settings and the program prints the document with the pages reversed. The easiest way to fix the issue is to uninstall the program (Control Panel > Uninstall a program) and download and install it again. In this way you will reset all the settings and you should be able to print normally. Also, before reinstalling the software, go to Start, open Devices and Printers, right-click easyPDF Printer and select Remove device:
If the issues persist, I recommend you contact the official developers using the contact information from the official web page.