Features:<br> new and high quality<br> If your original printhead is 11 or C4810A, C4811A, C4812A, C4813A, you can buy this for your printer.<br> If not, Do not buy it.<br> Any questions, please contact us for advice, thank you!<br> Compatible printer:For HP 11 1000 1100 1200 2200 2280 2600 2800 CP1700 100 500 9100 9120 K850.<br> If your original printhead is 11,our cartridge will suitable with your printer.<br> <br> Specifications:<br> Product model:Printhead For HP 11(C4810A C4811A C4812A C4813A)<br> Cartridge Color : Black, Cyan, Red, Yellow (optional)<br> With Chip: Yes<br> With Ink: Yes<br> Compatible printer:<br> For HP 11 1000 1100 1200 2200 2280 2600 2800 CP1700 100 500 9100 9120 K850<br> <br> Note:<br> 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;<br> 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);<br> 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;<br> 4. Once the new nozzle is off, it is best not to remove it before replacing the nozzle;<br> 5. Unless you want to replace the nozzle, do not open the nozzle protective clip, otherwise the nozzle may no longer be used;<br> 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.<br> <br> Package includes:<br> 1Set x Printer Head with Ink