Epson UltraChrome K3 vs. Epson UltraChrome Hi-Gloss
What's the difference between the Epson UltraChrome K3 ink system, and the Epson UltraChrome Hi-Gloss inks? There is quite a difference in functionality and inks included, but the quality of both is excellent.
The Hi-Gloss UltraChrome variant was introduced with the Epson R800. At the time, there was a need to some how make glossy and satin prints look better and not suffer from gloss differential and bronzing. These problems were prevalent in earlier pigment ink sets. The main difference of this new ink was the gloss optimizer (GO) tank. When turned on, the GO sprays a clear coating on top of the paper during printing. The coating basically smoothes out the differences in height bewteen the darkest blacks and the whitest whites on a glossy or satin paper. The result is a much more uniform looking print that does not change in appearnce when viewed at different angles. After the R800, the R1800 13" wide printer was introduced. At the time of this article, the Epson R1900 13" wide printer is the current model using the UltraChrome Hi-Gloss system.
The UltraChrome K3 system was introduced as an upgrade to the original UltraChrome system in the Epson 2200. The major improvements were the better performance on glossy and satin media, and the black & white (three black or K3) system. This ink set was chosen by Epson to be their "professional" system and has been put into a number of wide format models and can be found in the Epson R2880 and R3000 13" wide desktop printers.
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