1 Development Unit (Does Not contain Developer) Mfr Part # Konica Minolta A1UDR71111 A1UDR71100 A1UDR73000. 1 Black Developer Mfr Part # Konica Minolta DV-411 A202500. The item "Konica Minolta bizhub 423 42 363 36 283 223 Developer Kit A1UDR71111 DV-411" is in sale since Saturday, December 9, 2017. This item is in the category "Business & Industrial\Office\Office Equipment\Copiers, Parts & Accessories\Parts & Accessories".The seller is "vegadistributor" and is located in Phoenix, Arizona. This item can be shipped worldwide.