Premium toner cartridge for Kyocera FS-2100D/2100DN/4100DN/4200DN/4300DN & ECOSYS M3040dn/3040idn/3540dn/3540idn. High-purity polymerized toner ensures sharp 1200x1200 dpi resolution with zero dust spillage. Precision-engineered drum unit delivers 5,000-page yield at 5% coverage. Advanced magnetic roller technology prevents uneven distribution for consistent grayscale reproduction. Compatible with high-volume office printing environments including legal documents, architectural blueprints, and medical records. OEM-grade ABS housing with reinforced exit seal for leak-proof performance. Static-resistant hopper design maintains optimal toner flow during continuous printing cycles.