Lot Of 4 Compatible Drums Only. For Black And Cmy Drum Units. Estimated Yield 120,000 pages. OEM PART #: Konica Minolta A2XN0RD, DR-512K. You Will Get A Total Of 4 Compatible Drums Only. The item "4 PACK DRUM KONICA MINOLTA BIZHUB C554e C554 C454e C454 C364e C364 C284 C224" is in sale since Friday, January 24, 2014. This item is in the category "Business & Industrial\Office\Office Equipment\Copiers\Parts & Accessories". The seller is "vegadistributor" and is located in Los Angeles, California.