The Hyperion Black Q7551X 51X Toner Cartridges are high yield toner cartridges designed for HP LaserJet P3005, M3027, M3035 MFP printers. Produced by True Color Toner, these black cartridges are compatible with HP printers and offer reliable printing performance. With a sleek design and dimensions of 11.81" x 13.86" x 11.42", these toner cartridges provide consistent and professional-quality results for all your printing needs. Purchased new and never used - Purchased new printer so dont need anymore - Good Luck