Dell GD531 toner -- 10000 page (standard yield, use & return) Black toner - Dell 5210n, Dell 5310n Printer -- 310-7236 Pricing Type: B0822987:Use and Return | Color: B0000661:Black | Included Qty: B2521702:1-pack | Duty Cycle: B0517476:Up to 10000 pages at 5% coverage | Printing Technology: B0000494:Laser | Consumable Type: B0007436:Toner cartridge Manufacturer Part# : UG218 Dell Part# : 310-7236