The Epson PJMB100 is a specialized maintenance box designed to keep your professional disc printing system running smoothly. This plastic cartridge, identified by part number C13S020476, serves as a reservoir that collects waste ink generated during the standard printing process and printhead cleaning cycles. It is specifically engineered for use with the Discproducer PP-100 series, including the AP, II, IIBD, and III models. By replacing this component when it reaches capacity, you ensure that excess ink is managed safely without risking leaks or interruptions in your production workflow.