Alternative to HP 15 (C6615A). For HP Fax 1230, Digital Copier 310, Deskjet 842c, 920c, 920cvr, 920cxi, 934c, 940cvr, 948, 810c, 812c, 845cvr, 840c, 825cvr, 845c, 843c, 841c, 825c, 3822, 3820, PSC 950xi, 950vr, 950, 940, 900, 750xi, 700, 750, 500xi, 500, OfficeJet V45, V40xi, V40, 5110xi, 5110, 1510A2L. Yield up to 500 pages. Black.