If you already have a document open and then open a word processing document, you will not be able to print the word processing document. This document explains the workaround.
Symptom
After clicking Print in the Print dialog, the document does not print.
Solution
This occurs specifically when you have an AppleWorks document (or multiple documents) already open and then choose Open from the File menu in AppleWorks to open another existing word processing file.
To be able to print the word processing document: