Chip for EPSON T6710 WP-4011 WP4511 WP4521 WF3531

For Use with:

workforce WP-4011 4511 4521 WF-3531 wasted ink tank

Notices:

1. This chip is bigger than original . It can not be used on the original wasted ink tank . Only can use on our compatible tank.

2. it's one-time use , not resetable.  1 pcs can be used for 2 set cartridge 's printing.