Review of HP 940 CISS with 500ml ink pre-filled for HP officejet pro

Customer Ratings:

I purchased this product. It came when it was supposed to. I had no problems installing it and it works. I can't say for sure if the chips that it comes with will ever expire or not because that may take years but it did recognize them and I've been using the product for about a week with no problems. The only negative is some spelling in their instructions. Thanks CJ Tech!

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Good so far. If this keeps working, it has my vote for being a better ink system. Three of the four cartridges worked from the box, the black had a damaged chip. Emailed dealer, they responded quickly, 2 hours. Gave me instructions how to change chip heads with no chip cutting. Fixed in 5 minutes. Mailed new chip two days, good support. So far it all works good.