... chip for KonicaMagicolor 7450/7440/7450 1,page yield:12/15K 2.Color:Black,C, ... your printer models,cartridge number,color,Area and Yield.We will make a perform invoice (PI) for your order ... 's responsibility. Payment: We accept PayPal,Western Union and Bank transfe.Less orders, we need a full payment. ... product model, the production batch number.Check OK, We will products into the carton, won't damage in ...