This is a compatible 6-pack of replacements for Xerox Phaser 8400 black solid ink sticks. The 108R00608 solid ink sticks deliver brilliant, professional color output and are designed for consistent performance on virtually any media. Manufactured 100% brand new, these solid ink sticks provide a high yield for your printing needs. Backed by our 100% Quality Satisfaction Guarantee, these compatible solid ink sticks are a cost-effective alternative to genuine Xerox products.