yongairuink compatible e-t6715 e-t6716 ink maintenance box replacement for workforce pro wf-4720dwf wf-4725dwf wf-4730dtwf wf-4740dtwf wf-c5210dw wf-c5290dw (6 pack) is up for auction in Office Products. This item is in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.