Premium Drum Unit 013R00663/013R00664 engineered for Xerox Color 550/560/570/C60/C70 printers with precision-ground aluminum core and carbon-free photoconductive coating. High-yield design ensures 15,000-page lifespan using advanced organic photoconductor technology for laser-accurate toner transfer. OEM-compatible construction features anti-static rollers and reinforced gear system for 25% longer durability than aftermarket units. Optimized for high-volume commercial printing with 2400x600 dpi resolution and seamless gradient reproduction. Dust-resistant casing with integrated waste toner compartment reduces maintenance frequency. Ideal for graphic design studios, corporate in-house publishing, and photo printing labs requiring consistent color fidelity.