Achieve exceptional print quality with the HP 21 Ink Cartridge, designed for reliable performance and sharp, clear results. This black ink cartridge is perfect for printing documents, reports, and memos, ensuring professional-looking prints every time. Whether you're a student, professional, or home user, count on the HP 21 Ink Cartridge to deliver consistent results with ease. Ensure you're always prepared to print with the HP 21 Ink Cartridge, offering convenience and peace of mind for all your printing needs. With its seamless compatibility with HP printers and easy installation process, this cartridge is the perfect choice for achieving outstanding prints without any hassle. Printer Compatibility: HP DESKJET 3920,HP DESKJET 3940,HP DESKJET D1360,HP DESKJET D1460,HP DESKJET D1520,HP DESKJET D1560,HP DESKJET D2360,HP DESKJET D2460,HP DESKJET F340,HP DESKJET F350,HP DESKJET F370,HP DESKJET F380,HP DESKJET F2100,HP DESKJET F2120,HP DESKJET F2179,HP DESKJET F2180, Ensure sharp and clear text documents with HP 21 Ink Cartridge Reliable performance for everyday printing needs Easy to install and replace for uninterrupted workflow