248XL TN248XL 4 Colors Compatible Toner Cartridges TN-248XLBK TN-248XLC TN-248XLM TN-248XLY High Capacity for Brother Printer HL-L3215CW L3220CW L3220CWE DCP-L3515CDW L3560CDW MFC-L3740CDW L3740CDWE1. Attention: When you install the toner cartridge, if the printer displays error information "Replace Toner", Cartridge Error, or there is the prompt " Reinstall the Toner Cartridge", it is repeat serial number problem on the chip of the toner cartridge, you just turn off the power of the printer, and you turn on it again, the serial number will be changed, then the toner cartridge can work with the printer. 2. Page Yield: High Capacity 3000 Pages