pritop 802XL Ink cartridge pack of 4 black is produced to meet the performance of original ink cartridge which is available at reasonable price. This cartridge can be use with HP Deskjet 1000 (J110a) 1050 1051 1055 2000 (J210a) 2050 1050A 2050A 2510 3000 3050 3055A 3510 3512 1010 1510HPENVY 4500Office jet 2620 4630. This ink cartridge work quickly and effectively. The print out vary for photos, graphics and printing on other media but the page level are still high. Overall manufacturing defect is covered in warranty. Easy to install, just shake, remove the seal properly and install it. Our product is tested before delivery. Please don’t cancel your order after placing it.