This is the genuine HP maintenance kit CB388A. It has been opened for photography, but it is unused and has been stored in a warehouse, so please refrain from purchasing if you are concerned about minor imperfections. [Manufacturer] HP [Model Number] CB388A [Compatible Models] HP LaserJet P4014, HP LaserJet P4014dn, HP LaserJet P4014n, HP LaserJet P4015dn, HP LaserJet P4015n, HP LaserJet P4015tn, HP LaserJet P4015x, HP LaserJet P4515n, HP LaserJet P4515tn, HP LaserJet P4515x Compatible printers. Please check the manufacturer's website. ★This item is also sold on other sites, so it may be sold out. Please contact us in advance. Thank you.