Specification Product Name T6361 - T6369 T636A T636B Reset Chip Model Number For Epson Stylus Pro 9900 7890 9890 7900 WT7900 9900 Type Cartridge Chip Applicable Equipment Printer Structure One-piece Cartridge Place of Origin China Guangdong Chip Feature Permanent Ink Cartridge chip Ink Type Oil Based Inks, Water Based Ink QC 100% Pre-tested Well Before Shipping Product Advantage New Upgrade Chip,Recongnition Probability More Than 95% Guarantee Any Defective, Could Replace it with 1:1 Color PK C M Y LC LM LK LLK MK OR GR Volume 700ML/PC Type Permanent Use Chip, ARC Chip, Resettable Chip Product Description