Toner Eagle Refill Kit Replacement for Brother TN-210BK. Black Toner is designed specifically to work in the Brother TN-210BK toner cartridges for use in Brother HL-3070 HL-3070CW HL-3040 HL-3040CN HL-3045 HL-3045CN HL-3075 HL-3075CW HL-8070 HL-8370 color laser printers. We test many toner samples from toner manufacturers. Most are rejected as they do not meet the look and specifications of the OEM toner. The toner we sell DOES match OEM toner! Save Up to $52 on Each Brother HL-3070 HL-3070CW HL-3040 HL-3040CN HL-3045 HL-3045CN HL-3075 HL-3075CW HL-8070 HL-8370 Black Toner Cartridge. Refilling your own toner cartridges is more environmentally friendly than buying new, compatible, or even remanufactured toner cartridges. We provide easy-to-follow instructions with photographs of the process. The process is so easy that most people do not need help. But if you do need help, we're just a phone call away! We guarantee that you will be happy with your purchase or we'll refund your money.