Our compatible toners for HP LaserJet Ultra M134a are manufactured to meet the same original specifications and performance standards as the HP OEM laser toner cartridges. Purchasing our HP LaserJet Ultra M134a laser toner is an excellent way to save money without sacrificing quality. The use of our True Image laser toners for the HP LaserJet Ultra M134a printer does not void the printer warranty and come with a ‘100% Satisfaction Guarantee.’