The toner cartridge is not installed correctly. Remove the toner cartridge and drum unit assembly. Take out the toner cartridge, and put it back in the drum unit again. Reinstall the toner cartridge and drum unit assembly in the machine. Change T1 Paper? The standard pa...
2-Pack Compatible DCP-L2640DW HL-L2460DW Toner Cartridge Est Page Yield : 2 * 3000 Pages Color: 2 * Black Compatible Toner Cartridge Replacement for Brother DCP-L2640DW HL-L2460DW HL-L2400D HL-L2405W ...