Many people make the mistake of confusing a drum unit with a toner cartridge and vice versa.

Drum units and toner cartridges, like toner refills, are both essential in producing a print. While these two components play a vital role in the process of printing, there’s often a misconception that a drum unit and a toner cartridge are the same thing when in fact, they’re not. Let’s define the two and identify their difference.