Blake Printing Supply remanufactured inkjet cartridges for your Epson printers are remanufactured to meet the same original specifications and performance standards as the OEM cartridges. Our products come with a 100% Quality Satisfaction Product Guarantee. Blake Printing Supply cartridges are remanufactured with high ISO9002 standards and environmentally friendly ISO14001 standards. Our cartridges come with chip to keep track of your ink levels. Blake Printing Supply is the exclusive retailer of Blake Printing Supply brand of cartridges. Contains the following: 2 T126120 / T1261 Black, 2 T126220 / T1262 Cyan, 2 T126320 / T1263 Magenta, 2 T126420 / T1264 Yellow. This ink cartridges is compatible with the following printers:Stylus NX330, Stylus NX430, WorkForce 435, WorkForce 520, WorkForce 545, WorkForce 60, WorkForce 630, WorkForce 633, WorkForce 635, WorkForce 645, WorkForce 840, WorkForce 845, WorkForce WF-3520, WorkForce WF-3540, WorkForce WF-7010, WorkForce WF-7510, WorkForce WF-7520