Using Katun’s bulk toner in bags and bottles, as well as our drums, drum cleaning blades and other components, you can build quality laser toner cartridges for hundreds of today’s most widely placed printers. Katun’s bulk toner – and standard-life and extended-life drums – are 100% compatible and designed to work together as a system. … Continue reading To Build Reliable Toner Cartridges, You Need Quality Components