PACKAGE CONTENT2 Black Toner Cartridges compatible with Brother TN450.COMPATIBLE PRINTER MODELSHL SERIESHL-2130HL-2132HL-2220HL-2230HL-2240HL-2240DHL-2242DHL-2250DNHL-2270DWHL-2275DWHL-2280DWMFC SERIESMFC-7240MFC-7360NMFC-7365DNMFC-7460DNMFC-7860DWDCP SERIESDCP-7060DDCP-7065DYIELDWe recommend to replace it every 3200-printed pages.MANUFACTURE STANDARDS- Approved Standards ISO 9001, ISO 14001 and RoHS Certifications.- Repeated inspection during production to ensure compatibility, reliability and safety.PRINTING PERFORMANCE- Cyber Toner cartridges deliver photo-quality prints that stay crisp for long periods of time.- Cost-effective, fast printing, excellent performance, clear and powerful text and images.GUARANTY- Limitless time free replacement service.- Guaranteed money back if any item is defective.FREQUENTLY ASKED QUESTIONS (FAQ)? Are CYBER TONER cartridges as good as the original cartridges?We are, our cartridges are manufactured under ISO 9001 and ISO 14001 standards and RoHS complaints.? What is meant by 'with chip'?There is a computer chip in the toner that the printer reads when you install the toner. CYBER TONER cartridges are sold at a higher price because they do include the chip.? What's the difference between A model and X model?The X model is a high yield version of A model. X=high yield; A=standard yield. CYBER TONER cartridges will have higher yield than A original, but lower than X original.? Is there a way to recycle the empty cartridges?Yes, you can take it to Staples or Office Depot for recycling.