We would like to take this opportunity to thank you for your feedback. We are sorry to hear that you did not get the toner yield as expected with the Brother TN730At Brother, customer satisfaction is something we take seriously. Your feedback is important to us and will be reviewed to help us improve our future products. Genuine Brother toner cartridges are produced with a specific amount of toner to yield the following: TN Starter Toner - approx. 700 pages TN730 Standard Toner - approx. 1,200 pages* TN760 High Yield Toner - approx. 3,000 pages* *The approximate toner yield is in accordance with ISO/IEC 19752. The number of pages that can be printed with a toner cartridge is affected by several factors, including paper size, number of pages per print job, amount of print on each page, font size, and print content (graphics, charts, etc.). It's important to remember that a typical printed document is one letter-size (8.5" x 11") page with 4% - 5% print coverage. If you need more assistance, or think that you did not get the toner yield as expected, we would be glad to help you. Our Brother customer service team is available to assist you at www.brother-usa.com/brother-support.