June 2021 update! I've been using this ink in my SG400 and SG800 for over 1.5 years and there hasn't been a single bug or problem. The colors are stunning every time! I check 2-3 sets per month how much we print so you can get an idea of how much we have used and tested this product/ink. ___________________________________________________________________________ Update December 2020! 1 year later! STILL AMAZING! Adding an edit to this ink review after 1 year of use in my Sawgrass 400 and 800. I've easily run at least 10-15 sets with the amount we print and have never had 1 delivery issue or any errors with cartridges. The only thing I would wish for is if the company could give us the option to buy the colors individually. For example, my purple seems to go the fastest, so if I could just buy 4-8 purples that would be great! Since I can't do that I now have about 4-5 sets of black, cyan and yellow and have to buy a new set of all 4 to keep up with my magenta usage. No complaint because I still use all the ink but it would be a nice addition to what they already offer. Keep up the good work with this product! -------------- ------------------------ ------------ --------- --------- I will do updates when we go but I ordered yesterday, received today I just installed yellow and magenta and my SG400 reads them perfectly. Nothing out of the ordinary happened. Did a test print with the VPM software and printed 2 sheets. These inks and cartridges appear to be the perfect replacement for standard 3rd party OEM inks at this point. I'm a little worried about the size of the black as it's not that wide, but I'll test it soon too. At first I was very concerned as some people claimed they had bugs or problems with this ink. Everything worked fine on my SG400, as did the new original OEM inks.
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