✅【Purchase Notes】For your convenience, before purchasing please refer to the Product Description as below. ✅【Compatibility】Compatible for HP DesignJet Studio Printers, HP DesignJet T650 Printer, HP DesignJet T630 Printer, HP DesignJet T230 Printer, HP DesignJet T210 Printer, HP DesignJet T250 Printer ✅【Package Content】 2*ink, Black: 80ml/piece ✅【High Quality Ink】LCL 712 ink is high quality ink which has a high concentration and contrast, and is an ink that can draw fine characters clearly without color infiltration. High quality inks are waterproof and light resistant and do not fade even when outdoors, thus allowing prints to last long enough. ✅【Individual Package】 LCL product is packaged in separate box, suitable for long-term storage, to avoid product damage or ink/toner leakage and other problems. ✅【Strict Testing】All products are tested in three stages: Stage 1 - reliability test of raw materials; Stage 2 - finished product color fidelity test; Stage 3 - strict double test: print testing during the manufacturing phase and final testing before leaving factory.