All that you need is reliable printing that you can trust. Toners are the agent used for printing your monitor exactly onto paper. It is in the form of a fine powder which is located in the cartridges of the printers or the photocopiers. Toner is a calumniatory component of the printers and the copiers which besides governing the quality of the print on the paper, also regulates the cost of printing. The most evident indication that your toner and toner cartridge is of low quality is its poor print quality. Even after you have tried rocking the toner cartridge of your printer, you are not getting the desired results of the prints then it is probably time to replace the toner of your printer.