Features: brand new and high quality Color printhead:You can print colorful images, photos and documents as needed with the printhead. Safety cover: Our printhead is equipped with a safe and practical protective cover to prevent damage to the internal structure. High performance:Print clearly, high resolution, excellent performance. Good stability:A thoroughly tested and sealed printhead, no leakage, long service span. Compatibility:This print for head is exclusively designed for HP 934 935 934XL 935XL 6220 6230 6830 6812 6815 6835 C2P18A printers. Specifications: Item type: print for head Material: ABS Color: black Applicable models: for HP 934 935 934XL 935XL 6820 6830 6950 6951 6954 6958 6960 6962 6968 6970 6815 6820 6822 6825 6835 6974 6975 6978 6979 6800 6810 6812 6963 6964 6965 6966 6971 Note: 1.When installing the nozzle, you must remove the air hole seal according to the instructions, but do not remove other seals at will, otherwise the ink will leak. 2.Each for time a new nozzle is installed, the print for head should generally be cleaned 3-5 times (please wash the print for head at least once). 3.When any print for head has no ink or is not installed, even if there is ink in the other print heads, the photo machine will not work. 4.Once the new nozzle is off, it is best not to remove it before replacing the nozzle. 5.Unless you want to replace the nozzle, do not open the nozzle protective clip (orange part), otherwise the nozzle may no longer be used. 6.Do not reach into the printer or for touch the nozzle when the printer is working; first check whether the ink of a certain color in the ink cartridge has been used up. Package includes: 1 x Printhead