The Genuine HP DesignJet 91 Photo Black 775ml Ink Cartridge (C9465A) is an original product manufactured by HP in Singapore. Specifically designed for the HP DesignJet Z6100 printer, this high-quality ink cartridge produces photo black prints with exceptional clarity and detail. With an expiration date of 2022, this cartridge is guaranteed to provide consistent and reliable performance for all your printing needs. Trust in the HP brand for genuine, high-quality products that deliver professional results every time.