CISinks Refillable Ink Cartridge Set for HP 564 Photosmart B209a B210a 5522 5525 5514 5512 5515 5510 5520 5511 6515 6512 6510 6520 Deskjet 3520 3526 3521 3522 OfficeJet 4620 4622 - HP564 4 Color - approx. 240ml Save Money over OEM inks Easy to install, Instructions included Compatible With: HP Photosmart B209a B210a 5522 5525 5514 5512 5515 5510 5520 5511 6515 6512 6510 6520 Deskjet 3520 3526 3521 3522 OfficeJet 4620 4622 Cartridge: HP 564/564XL - 4 Color The systems/cartridges will leak once the pedestals are removed. This is not a flaw with the system but it is due to the sponge that is built into the cartridge. Make sure to set up a work area and use gloves.