Printing to File
ImagePriner Pro enables you to print your documents into various formats such as BMP, TIFF, JPG, PDF, and even DjVu.
In fact, you can use ImagePrinter Pro from any applications that support printing. And you’ll be really surprised how easy it is!
For a detailed description of options, refer to Print Settings.
For general steps on how to print to file, see Basics
An example of printing PDF into JPG is here: How to Convert PDF to JPG