Compatible with RICOH Aficio MP C3003/C5503/C6003/C3503/C4503 series for seamless printer maintenance. Precision-engineered thermostat ensures optimal fuser unit temperature control with industrial-grade thermal sensors. Durable stainless steel housing with corrosion-resistant coating for extended lifespan in high-volume printing environments. OEM-equivalent quality at wholesale price with 100% functional testing prior to shipment. Essential replacement part for commercial printing facilities, corporate copy centers, and high-output document production environments. Bulk purchase available for printing service providers requiring multiple unit replacements.