HP 45 Black Inkjet Print Cartridge - 51645A
Get sharp, professional-quality results every time you print. Patented, pigment-based HP black ink and ink cartridge technology are designed together with your printer for easy installation and reliable performance. Want more pages, great reliability, and amazing value? You want original HP inks.
Why buy original HP ink?
Get up to twice as many pages vs. with refills¹Ensure that your printing is right the first time and every time. Based on a SpencerLab 2018 study commissioned by HP for the on-average performance of 12 brands of remanufactured cartridges, refilled cartridges from leading refill service providers, and refill kits compared to Original HP ink cartridges (61XL, 62XL, 63XL, 564XL, 950XL, 951XL, 970XL & 971XL) sold in North America. See http://www.spencerlab.com/reports/HPInkReliability-NA-2018.pdf.
Outstanding print quality
Patented, pigment-based HP ink for extra sharp black text and professional results, every time. Reliable HP cartridges—a critical component of the total imaging system—ensure consistent results.
Easy to use and maintain
Simple to install and easy to replace for low maintenance, trouble-free printing. Free, convenient return and recycling in over 30 countries.
HP reliability delivers value
The HP 45 was 9 times more reliable, on average, than the leading remanufactured brands tested. Precisely designed and engineered to save time and increase productivity.