Toner cartridge for the Brother HL7050 laser workgroup printer Prints 12,000 A4 or letter pages at 5 percent coverage. Brother's toner is formulated to exacting standards to ensure you receive high quality print resolution and reliability. Toner particle size, shape and colour pigmentation all have a direct impact on the sharpness of the printed image. Why not do your bit for the environment and return your used toner and drum units to our award winning recycling factory in Wales.