Compatible: Hewlett Packard Laserjet P3015 (CE525A), P3015d (CE526A), P3015dn (CE528A), P3015x (CE529A), P4014dn (CB512A), P4014n, P4014n (CB507A), LaserJet P4015n, LaserJet P4015tn, LaserJet P4015x, LaserJet P4515n, LaserJet P4515tn, LaserJet P4515x.