The GC21 Compatible Ink Cartridge is specifically designed for use with RICOH GX7000, GX5050N, GX5000, GX3050N, and GX3000S printers. Made with high-quality materials and a 6-month manufacturer warranty, this multicolor ink cartridge provides excellent print quality with pigmented ink inside. The cartridge is compatible with the specified RICOH printer models and has been 100% pre-tested to ensure optimal performance. With a volume of BK - 80ML/PC and C M Y - 50ML/PC, this ink cartridge is a reliable choice for your printing needs.