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Disclosure: Clever Supplies sells compatible Brother cartridges — which is exactly why we'd rather you buy the right number the first time than the wrong one twice. Brother's cartridge numbering looks random until you learn the system — then it reads like a spec sheet. This guide decodes every Brother toner and drum code you're likely to encounter, so you buy the right cartridge the first time. The two-letter system: TN vs. DR Every Brother laser consumable starts with two letters:

An independent guide — we sell both compatible and OEM cartridges, so we have no reason to steer you wrong. Walk into the toner aisle (or, more likely, scroll through it) and you'll face the same question millions of printer owners ask every year: pay full price for the cartridge with the printer company's logo on the box, or pay a fraction of that for a compatible one? The price gap is enormous — often 60–80% — which naturally makes people suspicious. If the cheap one we