HP 641A (C9720A) Black Original LaserJet Toner Cartridge Overview: ORIGINAL cartridge made for HP printers, compatible with the following models: 4600/4650. This HP C9720A Black Toner Cartridge (641A) – Original Cartridge will yield approximately 9000 pages of the highest quality. Compatible Printer Models: Color LaserJet 4600 Color LaserJet 4600dn Color LaserJet 4600dtn Color LaserJet 4600hdn Color LaserJet 4600n Color LaserJet 4650 Color LaserJet 4650dn Color LaserJet 4650dtn Color LaserJet 4650hdn Color LaserJet 4650n Product Specifications: Product Condition: New, Original Print Technology: Laser Product Type: Toner Cartridge Colour: Black Page Yield: 9000 Manufacturer: HP Inc. Manufacturer's number: (C9720A) 641A HP Printer compatibility: HP Colour LaserJet 4600, 4650 Series Consistently outstanding color print quality. Get consistently accurate color and precise images with HP LaserJet toner cartridges. HP chemically-grown toner formulas are designed together with the LaserJet printing system. HP toner particles' uniform size and spherical shape ensure a broad range of colors, precise particle control and placement, and reliable performance. With HP's second-generation toner, you get consistently accurate color and crisp, sharp text across a broad range of plain papers and HP plain and specialty papers. The HP printing system offers a powerful new combination for your most persuasive sales materials and presentations. HP's chemically-grown toner formula and HP High-gloss Laser Paper work together with the printing system's new image mode to produce optimal print quality.[2] Smart Printing technology in HP 641A LaserJet Toner Cartridges and your printer monitors the environment, sensing temperature and humidity.[2] The system makes continuous, automatic adjustments to particle charge to ensure consistent print quality. These dynamic electrophotographic adjustments optimize color density, calibration, and consistency to produce high-quality results over the life of the cartridge.[1] Easy to install and maintain. The cost-effective, reliable operation comes with HP Color LaserJet printing supplies. HP 641A LaserJet Toner Cartridges are designed together with the printer to provide fast, reliable operation. The high-yield, all-in-one supplies design provides time-saving operation with fewer supplies to order and maintain. For further time savings, HP toner formulas are engineered to support in-line printing and fast fusing at lower temperatures for fast warm-up time and a quick first page out. Smart Printing technology in HP 641A LaserJet Toner Cartridges and your printer monitors the environment, sensing temperature and humidity.[2] The system makes continuous, automatic adjustments to particle charge to ensure consistent print quality. These dynamic electrophotographic adjustments optimize color density, calibration, and consistency to produce high-quality results over the life of the cartridge.[1] To keep your productivity high, HP designs in reliability to maximize uptime. HP is an industry leader in research and development, design, manufacturing, and testing processes. Original HP toner cartridges undergo rigorous testing including tests under extreme usage and environmental conditions. Count on consistently high-quality results. Precise matching of components in the HP LaserJet printing system optimizes the performance of HP toner, toner cartridge, printer architecture, Smart Printing system technology, and color-calibration software. Precise matching achieves precision print quality.[1] Reliable performance saves time and increases productivity. HP printing supplies are easy to use and maintain. With HP's Smart Printing technology in HP toner cartridges and your printer, you receive automatic alerts when a cartridge is low or out. You can enjoy convenient, online ordering. HP offers an environmentally responsible take-back program for the convenient return of your empty HP printing supplies.[1] Sometimes you don't have time to reprint pages because a cartridge ran out during the print job. For the projects that just can't wait, HP Smart Printing technology gives you the choice to continue printing a limited number of pages with the black cartridge when any color cartridge runs out. For time-critical projects you can finish the print job with consistently high-quality results.[1] HP printing supplies are easy to access through a convenient front door. HP Smart Printing technology confirms that genuine HP toner cartridges have been installed correctly. And shake-free cartridges ensure you get the most out of your toner cartridge.[1] HP customers consistently give HP the highest ratings for service and reliability. According to PC Magazine (August 2003), HP offers the best service and reliability in the printer industry, receiving a #1 ranking in its annual service and reliability survey for the 12th year in a row, as well as an A+ grade the second straight time this grade was included.