Dell 1600 Dell 1600n Standard & Hi-Yield cartridges are the same The only difference is the amount of toner in the cartridges Hi-Yield cartridges last longer and are less expensive to use Replaces all of the following Part Numbers: J4671, P4210, T5870, X5015, 310-5416, 310-5417 Availability: Usually ships the next business day. DEL1600LT-RRegular price: $99.99Sale price: $44.95 To Order Please Call 305-582-4846