Feature: 1. Compatible Models: The print head is compatible with HP Photosmart for B110a for B209a for B210a for B110b for B110c for B110d 2. ABS Shell: The ABS shell of the print head is more portable and has been tested repeatedly to ensure print head performance and keep your printer running smoothly. There may be a small amount of ink left on the product, which is normal 3. Easy installation: The print head can be installed and used without any accessories or disassembly, without damaging the original machine. Be careful when installing the nozzle, be sure to turn off the power before storing it 4. High performance: The print head chip can identify ink cartridges faster, the print head print ejects smoothly, protecting the printer, and prints clearly and brightly 5. Functional test: The print head test is carried out before leaving the factory to ensure the performance of each set of accessories. Manual machine testing on the assembly line ensures high performance output of application products: for HP Photosmart for B110a for B209a for B210a for B110b for B110c for B110d printers Package List: 1 x Printhead