Original Brother TN540 Black Laser Toner Cartridge

OEM Brother TN540 black laser toner cartridge is professionally designed to produce the highest quality printouts for your Brother laser printer. The brand new TN540 is an ideal choice laser toner cartridge for your Brother printer. Brother laser toners deliver excellent, dependable results, page after page. You can depend on Brother TN540 toner cartridges. 100% Satisfaction Guarantee. What is the difference between a toner and drum? The toner cartridge and drum unit are two separate consumables that work together to create a print and both are required to run your Brother printer. The toner cartridge contains toner powder, which is transferred to the page via the drum unit. Toner cartridges usually need to be replaced first, while the drum unit typically need to be replaced after the use of 3 or 4 toner cartridges. Check out the Brother toner and drum guide on our support page. If you would like to learn more about how toner cartridges and drum units work, visit the LD blog!