Difference between toner cartridge and drum cartridge
Brother DR-350 (Sample Drum Unit) | TonerGreen
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Most computer savvy knows that there are different kinds of printers in our time, starting from inkjet printer which developed back in 1950s to laser printer invented at Xerox Corporation in 1969, and now we have thermal printers like the newly released mobile printer by Brother Industry. Now, getting back to our topic toner cartridge and drum cartridge are both parts of a laser printer. These parts have their own purpose, Here is a simple differentiation between toner cartridge and drum cartridge.
Toner Cartridge
This is a powder used in photocopiers and laser printers to have a printed text or images on the paper. Before, toner was simply just a carbon powder. While technology evolves to make it more better and improve its quality, Toner particles melted by the heat of the fuser and bind to the paper. Modern laser toners are intended for use in color copiers and printers come in CMYK or cyan, magenta, yellow and black colors. You can buy and use remanufactured toner cartridges to save your money rather than going for branded toners.
Drum Cartridge
And for this part there are some people make some mistakes, drum cartridge does not contain powder. This part has an element like in xerographic copiers which serves as the photoreceptor drum. It is the surface to which the toner stick fast to the surface before it is transferred to the paper.
The photoreceptor drum has a long but limited life span and can be replaced occasionally. Some laser printers have drum cartridges (same on the image above). which can changed by every person that uses it. While the other option is to hire a service person that can open the machine, I suggest that you should go with the user-friendly drum cartridge.
Video on How Laser Printer Works
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