TN-12BK Toner black, 9K pages @ 5% coverage

PRODUCT DETAILS:

The Black toner cartridge yields up to 9,000 pages while each of the colour toner cartridges yields up to 6,000 pages when printing at 5% coverage on A4/ Letter sized paper. When one of the toner cartridges begins run out, the message 'Replace xxxx Toner (x)' message appears on the operation panel (xxxx is the toner cartridge colour). Replace the toner cartridge(s) as soon as the message prompting you to do so appears. The printer will stop operating if you do not replace the toner cartridge when required.Original Brother toner is formulated to meet high quality resolution, grey scale and block colour, in line with Brother’s high design specification.But don't be tempted to cut corners by using cheap consumables, as this can mean poor results, and in extreme cases could invalidate the manufacturer's warranty. The manufacturer's original consumables will always be the best choice, as they have been designed to deliver the best performance from our machines.Toner particle size, shape and colour pigmentation all have a direct impact on the sharpness of the printed image. Brother's toner is formulated to exacting standards to ensure you receive high quality print resolution and reliability.Compatible Printers: Brother HL-4200 CN