Microsoft Office Free For Mac
If it doesn't print successfully try changing the font of your text by selecting your sample text, choosing the Font drop down on the ribbon, and selecting a different font. Try printing again. If it prints successfully that tells us the problem is with the font you're using. The easiest solution is to use a different font for your text.
Try printing from another program
To test whether another program can communicate with the printer, and whether the printer driver is functioning, try to print from another program such as Notes. Start the Notes app on your Mac, open an existing note or create a new note with some sample text, then click File> Print and see if it will print.