At first, I've read through the customer reviews here, if someone used the device with Mac and is satisfied. In fact, I have found a useful info right here.
Marlboro's entries have then convinced me to buy the equipment and everything worked with my Mac. If the unit you are buying a lot of drivers on the CD but not the driver
if you want to use the device in 2430 for the Mac.
Here are the correct driver for your device P-Touch 2430 PC if you want to use it for the Mac OS X.
Just the right link in the address bar and copy the download is in progress:
We have at the moment:
* OS X 10.3 & 10.4 (v2.0.5)
[...]
* OS X 10.5 (v2.0.5)
[...]
* OS X 10.6 & 10.7 (v3.0.6)
[...]
* OS X 10.8 (V3.0.7)
[...]