The 20th generation compatiable cartridges for EPSON developed by Skyhorse, which obtains Japanese patents and international PCT patents. The unique designs are represented at its exterior, location of ink exit, lock and chip location.It's benefited from its smooth printing and stable quality, which is being distributed to Japan and Europe market and enjoyed good reputation. For use with Photo950,960(EPPM930C,PM940CPM950C,PM970C,PM980CJapan),Photo2100,2200,(EPPM-4000PXJapan)