Two Brother Pc-402RF black thermal transfer refill rolls for plain-paper fax machines. Each roll yields approximately 150 pages and fits Pc-401 and Pc-501 cartridges. Compatible with Fax-565, Fax-575, Mfc-660MC, Personal Fax-560 and IntelliFax-580MC. Restock with Brother Genuine supplies for consistent, legible fax output.