Please NOTE: First you must install the original cartridges which comes with the printer before using the CISS.
Please NOTE: After installing the chip-set, please make sure the chip-set is inside the black chip holder and the 4 black small pins are holding the bottom of the chip-set very well and NOT loose. (if so never install it inside the printer and contact us)
Warning : Never rise the external tank higher than your printer (even temporarily)!
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