This is a compatible 3-pack of replacements for the Xerox 108R00604 black solid ink sticks. Designed for the Xerox Phaser 8400 series, these solid ink sticks deliver brilliant, professional color output with a standard yield of up to 3,400 pages. Manufactured 100% brand new, they provide consistent and true color quality on virtually any media. Our compatible solid ink sticks are backed by a 100% Quality Satisfaction Guarantee.