When you buy a Samsung printer, you’re likely to be given a waste toner tank in the box. This tank is used to store spent toner cartridges and other waste materials that the printer needs to clean. To clean the tank, first remove all of the cartridges and any other waste materials that are inside. Then, use a plunger to push all of the liquid out of the tank. Finally, use a vacuum cleaner to suck all of the liquid up into the machine. If you have an older model printer, you may need to replace some of the parts in order to clean the tank.