The Lexmark C734 and C736 color laser printers and X734, X736 and X738 MFPs use four toner cartridges and a separate drum unit. Replacement color cartridge (C, M and Y) yields are OEM-rated at 6,000 pages, while the black toner cartridge yield is OEM-rated at 8,000 pages. The replacement drum unit yield is OEM-rated at 20,000 pages.
Ricoh®/IBM® also released several models based on the same C734 print engine. Supplies SKUs vary by OEM, color and geographic market. All printers in this series require new chips on remanufactured toner cartridges for correct printer operation.