4 Pack Remanufactured HP 61XL / CH563WN High Yield Black cartridges - includes 2 each HP 61XL black and HP 61XL color cartridges (480 page High Capacity yield each Black and 330 page yield high capacity each color cartridge). Professionally refilled with a true pigment-based formula for best quality prints. Compatible with the following HP Printers: Deskjet 1000 1010 1015 1050 1051 1055 1056 1512 2050 2510 2512 2514 2540 2542 2545 2547 3000 3050 3050A 3051A 3052A 3054 3056A 3510 3511 3512 3516 & ENVY 4500 4504 4505 5530 5531 & Officejet 4630 4632. Replaces both HP 61XL and HP 61 cartridges.