Features 1Excellent print head, ink is even and smooth, and the print quality is clear and delicate 2Adopt high compatible chip, possess good recognition, stable and reliable performance 3Goodquality ink bring clear and delicate printing, possess high blackness, no disconnection 4Counting chips, powerful chip intelligent matching rejects no recognition. Comes with a yellow seal, tear off when installing the machine, then you can use 5No need to tear the protective film of the ink outlet, the machine will automatically pierce through it Specification Item Type: Printer Cartridge Material: Plastic Size: Approx. 5.1 x 1.1 x 9.6cm / 2 x 0.4 x 3.8in(manual measurement, slight error) Capacity: 28ml Number of Pages to be Printed: About 1500 pages (5% coverage of A4 paper) Applicable Models: For HP Officejet Pro 8100 /8600 /8600PLUS / 8610 /8615 /8616 /8620 /8625 /8630 /8640 /8650 /8660 /251dw /276dw How to Use: 1. Remove the old ink cartridge 2. Install a new ink cartridge 3. The printer is in normal use Package List 1 x Printer Cartridge