15X C7115X ( High Toner Yield) = 15A C7115A ( Low Toner Yield)- Both are use on Laserjet 1000,1005w, 1200, 1200n, 1200se, 1220, 1220se, 3300, 3300mfp, 3310, 3320mfp, 3320n mfp, 3330mfp, 3380. Availability: Usually ships the next business day 15X HP C7115X Remanufacture Laserjet Toner Cartridge For 1000,1200,1220,3300 series ( more Toner than C7115A) gC7115X Copyright 2003-2004 e-tonerdepot.com. All right reserved. All prices & specifications are subject to change without notice. All Products names, photos and registered trademarks and trademarks are the property of their respective owners and are referred to here for descriptive purposes only. Product brand names mentioned are intended to show compatibility only.