Chat Mapper supports printing to one page only.
To print a large dialogue tree on multiple pages we suggest the following approach using Adobe Reader.
Choose the conversation you wish to print.
Choose "File > Export > Dialog as PDF" in Chat Mapper
Save the PDF to the Desktop
Open the PDF in Adobe Reader (Available here if you don't already have it https://get.adobe.com/reader/)
Choose "File > Print" in Adobe Reader
Under "Page Sizing & Handling" choose "Poster"
Look at the preview image and if you are happy click Print.