The Epson PJIC7 is a yellow pigment-based ink cartridge designed specifically for high-volume disc printing. With a capacity of 31 ml, this ink is engineered for use in the Epson Discproducer PP-100 and PP-50 series, including various versions like the PP-100II, PP-100N, and PP-100AP. It serves as the successor to the PJIC5 model, providing a reliable solution for those who need to produce professional-looking media labels in large quantities. This ink allows for the continuous printing of over 1,000 discs per inkset, making it a practical choice for businesses or archives that handle frequent media duplication. The formulation includes 2,4,7,9-tetramethyldec-5-yne-4,7-diol to ensure consistent flow and quality. To maintain optimal performance, the cartridge has a shelf life of two years, which includes six months of usability after the seal has been opened.