Support Models: HL3150CDN, HL3170CDW, MFC9140CDN, MFC9330CDW

• Colour Drum Yield – 15,000 pages
• Toner is not consisted in the drum, additional purchase of toner is required

Toner & Drum System

Each component of a Brother laser product is integrated within Brother’s hardware to ensure the quality and reliability we stand for. All Brother genuine cartridges are manufactured to the highest possible standards in controlled clean rooms. Each cartridge is rigorously print tested in order that every user can be assured of the quality and performance they expect. Most Brother laser printers and all-in-ones have a separate drum unit and toner cartridge, which are replaced individually. This design helps reduce waste and is more economical than a single-piece design.

Suitable for HK printer model only, the consumable model number varies from different country or area.

What Is A Printer Drum?

The primary function of the drum unit is to attract the toner powder particles via electrostatic polarities and transfer the toner to the paper.

While the drum receives the electric charge and the image is drawn, the rest of the drum unit stays neutral.

A drum uses an electrostatic charge to attract the toner powder particles, which are put on a photosensitive roller inside the drum unit. The electrostatic charge is then used to draw the image on the drum that is transferred onto the paper and printed on the page later in the process.

This is why drum units are commonly referred to as image drums or imaging units.

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