Compatible Premium Toner for Dell 1130 1130n 1133 1135n 330-9523 (7h53w) Alternative to OEM, comes with ONE YEAR WARRANTY from the date of purchase against manufacturer defects. Page Yield: Black 2500 pages at 5% coverage on Letter/A4 paper. This replacement Toner cartridge is built to ISO9001 and ISO14001 Factory Standards. Compatible with Dell 1130 1133 1135