HP 771A Magenta Ink Cartridge 775 mL | DesignJet, OEM, Large Format — B6Y17A

Keep color-critical production moving with HP 771A magenta ink. This OEM 775 mL cartridge is built for HP DesignJet environments where consistent hue, dependable output, and fewer interruptions matter more than bargain pricing. For teams producing technical drawings, presentation graphics, and large-format collateral, the right ink supply protects image quality across long runs and helps reduce the risk of reprints. HP 771A is designed for professional print workflows that demand stable color performance from the first page to the last. The large 775 mL fill supports extended operation, making it a practical choice for busy in-house print rooms and service bureaus that need to keep devices loaded and jobs moving. As an OEM supply, it aligns with the printer’s intended ink system for predictable results and straightforward replenishment. When output quality affects client deliverables, brand standards, or production schedules, this cartridge helps preserve the consistency that lower-capacity alternatives can struggle to maintain. It is a strong fit for organizations that value dependable supply planning, reduced changeover frequency, and output that stays aligned with professional expectations. Ideal For Large-format technical drawing production in an engineering office In-house graphics printing for marketing and presentation materials High-volume output in a print room supporting multiple departments Color-managed production where magenta consistency matters Why This Product 1 775 mL capacity supports longer production runs than smaller cartridges 2 OEM HP supply helps maintain predictable color output 3 Magenta formulation suits professional large-format workflows 4 High-volume format reduces changeover frequency in busy print environments