Give your black-and-white documents a polished, professional look. The HP 21 cartridge is perfect for low-volume users who want laser-quality text and graphics.
Carbon monoxide detector
•digital signal analysis
•optical and acoustical indication of threshold concentration detection
•low current consumption
•full autodiagnostics
•red LED indicator
The sleek design features a sliding USB connector, which smoothly extends from the drive at the push of a thumb. The capless mechanical design eliminates the hassle of lost drive caps. The USB connector can be made ready for use with just one hand, for greater convenience when speed is a must.
HP 10 Black Ink Cartridges produce sharp black text and consistently outstanding print quality. The proprietary, pigment-based ink formulation makes professional results easy and reliable, providing an excellent value.
