HP Continuous Ink system DL78V15

Cartridges：HPC6578+ HPC6615

For used in the following printers：
HP Deskjet 920C/930C/932C/935C/940C/950C/952C/955C/970C/1220c/3820
HP PSC 950/750/500
HP officejet 5110 etc

     Using our CISS is a best and most economic way to save your cost, when you print colorful pictures.
     Our CISS Will save your cost up to 95% based on the money you spent on cartridges.