【Compatible Printers】 The 664XL ink cartridges compatible for HP DeskJet Lnk Advantage 1115 1118 2135 2138 2675 2676 2677 2678 3635 3636 3775 3776 3786 3788 printers 【Package Contents】664XL Ink cartridges combo pack, includes 664XL Black, 664XL tri-color ink cartridges 【High Yield】600 pages per 664XL black ink cartridge & 450 pages per 664XL tri-color at 5% coverage of A4 paper Compatibility: The 664XL ink cartridges black combo pack is replacement with cartridges 664XL black and 664XL tri-color for HP printers. Compatible for HP DeskJet Lnk Advantage 1115 1118 2135 2138 2675 2676 2677 2678 3635 3636 3775 3776 3786 3788 printers. Package Contents: 2 pack of 664XL black ink cartridge Advantages of the 664XL ink cartridge: High-quality ink ensures efficient printing with vibrant colors and clear fonts. Consistent high print quality without blemishes, ensuring reliability from start to finish. Prevents paper jams, providing protection for your printer and ensuring smooth operation. Convenient Installation: Gently shake the new 664XL ink cartridge from side to side 2-3 times to distribute it evenly. Remove the ink cartridge protective cover. Insert the ink cartridge into the correct position in the printer. Warm Tips: Ink cartridge models may vary by region. Please double-check your ink cartridge and printer model, and send us detailed information via email or our website. Avoid touching the ink cartridge chip for the best printing performance. If you experience issues with your purchased ink cartridge, please contact us promptly. We'll help resolve the problem within 24 hours.