Raster Image Processor, RIP, is the software which translate a vector based image (under Post Script language) into a bitmapped rasterized image with the wide format printer can reproduce. The rip software not only does interpreting PS language but also does color matching, layout adjustment, communication with printer, black enhancement, color correction, workflow management and etc for the recent advanced printing environment. See detailed with the linked whitepaper.

In many cases, traditional color management and profiling tools cannot give a satisfabtory result for rich prints on backlit application. Especially for black background printing on back-lit is a kind of adventuous job. Good looking printout can be found useless because the black and dark background looks like stainedwhen turning the light in opposite side of the printed back-lit. See the linked white paper to find the best way to resolve this problem, without increase the ink level ifself where wider color gamut for the media is not allowed.

In practical world of printing, main headache has been color control when changing media each time. It costs money and time to rely on dealers. And it's quite tedious to do calibration and profiling job with hiring professional engineer for daily signage printing work. Also it takes more than 3 hours for each media! Eventually profile itself do not work to meet what customers really expect from the output.
Well, the best way is to learn the basic concept of color management for yourself and to use TOPAZ Rip's "Easy Profiling" option. It takes only 10 minutes for your quick color management for each job and you need not any professional manpower. Furthermore, you need not any additional spectrometers nor professional profiling software.
Good quality of colors starts from smart determination of ink levels first. There're only a few points you need to determine cautiously during profiling workflow and ink limit values are very important. Please see the linked white paper to find how to determine ink levels first.
TOPAZ Rip's Color Management Wizard provides both of Easy Profiling Tool and Professional Profiling Tool. With using Easy Profiling Tool, it gives about 80% quality of Professional Profiling within 10 minutes by naked-eyes only. See white paper to understand TOPAZ Easy profiling.
Profiling does not mean everything on Color Management. TOPAZ Rip is using profiles as a basement of rich control of colors outside of ICC profiles. See white paper to learn more about TOPAZ Color Management Tools beyond ICC profiles.