Cash Register Plus won't print on the Star TSP 100 printer, even though you can print test pages on it from Windows.
The drivers and software for the Star printer were installed from the Star 100 CD that is included with the printer. These drivers won't work with Cash Register Plus 2009. You need to install the drivers that come with Cash Register Plus 2009.
Important: This printer does not work on a 64-bit operating system for Cash Register Plus 2009.