Professional, polished results that resist fading.
Consistently get high-quality results no matter what the day calls for: presentations, maps, banners, and graphics all look sharp with the clarity of crisp images. Original HP 45 black ink cartridges produce laser-quality text for striking results, so you can have the confidence that every print will be outstanding.

Ink that works for you.
Original HP 45 ink cartridges are engineered to provide clean text and crisp graphics using a small drop size, from the first page to the end of the cartridge. Original HP 45 black ink (51645A) continually works to maintain nozzle health for precision and reliability. Get professional HP quality on every print and avoid the inconvenience of reprinting.

Pitney Bowes DA-620 Addressing System

HP 45 Black Standard Yield Ink Cartridge, Prints Up to 930 Pages (51645A#140)