It's not Caldera, it's OPOS-CAM who don't support OPOS Barcode. So, if you want to use OPOS Barcode, you have to buy the OPOS X-Machines. Supporting RIP's are for example Caldera (as far as I've heard), Ergosoft Posterprint, Onyx Postershop/Productionhouse/Thrive since 10.2, SAi Pixelblaster/GMG...