Is payroll check fraud an issue? Are you worried about check security during payroll check printing because you are not using HP micr ink? Then, try our grade A, compatible, HP micr toner cartridges with each compatible HP micr cartridge filled with premium magnetic ink - the correct ink to use for printing checks. (MICR = magnetic ink character recognition). Each compatible HP micr cartridge is manufactured under strict guidelines so as to insure a crisp, sharp and reliable print. These micr cartridges feature a new, longer life drum complete with a one year warranty and free UPS or FedEx Ground from multiple distribution facilities located coast-to-coast. The company manufacturing these products is a green company, proud of the fact that it offers a cartridge core recycling program, reclaiming more than 1 million toner cartridge cores on an annual basis and saving them from being dumped into landfills. (What this equates to is saving over 1 million gallons of oil per year). Each HP micr laserjet toner box used to ship products is comprised of over 40% recycled material, while packaging paper contains over 20% recycled material.