Up for sale is a dual pack of HP 125A black ink cartridges CB540AD. These cartridges work with HP Color LaserJet designs CP1515n, CP1518ni, CP1215, CM1312 MFP. These are BRAND NEW AND UNUSED. When we brought them home we recognized we had actually purchased the wrong ones, they were bought from Staples and. One box is opened, but cartridge still has orange seal on it showing it has actually never ever been utilized.