Our compatible toners for Canon LBP 660 are manufactured to meet the same original specifications and performance standards as the Canon OEM laser toner cartridges. Purchasing our Canon LBP 660 laser toner is an excellent way to save money without sacrificing quality. The use of our compatible laser toner for the Canon LBP 660 does not void your printer's warranty. We guarantee your 119% satisfaction for print quantity and quality with compatible Canon LBP 660 laser toner cartridges and supplies.