First of all we have to understand the basics of toner cartridges and the correct way to replace the toner cartridge.
The printer's brother toner cartridge is also called "print box", and its consumption is based on the number of pages - theoretically a new cartridge can print about 3500 pages, as in the actual use in the end how much can print The page depends on the printed content and the concentration used, but fortunately the toner is not as volatile as the ink and cleaning caused by the waste, so it is still very suitable for a large number of printed high-quality documents.