As a teacher I print a lot at home and we recently bought a high-end Brother printer. Replacing OEM toner was shockingly expensive. Given that they cost about 1/10th the cost, we thought they were worth a try. We are now on our third replacement set and are very satisfied. We had an issue with toner powder leaking from one of the toner cartridges - nothing a vacuum couldn't deal with quickly, and the cost savings far outweighed the inconvenience. Print quality is good - the only issue we noticed was slight saturation issues (very faint white lines) when printing large areas with solid colors. Again, the amazing savings are worth the very small loss in quality. If you print a lot and don't have money to burn, this is a great deal!
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