Konica Minolta A1UDR73000 Development Unit - Genuine Konica Minolta Brand - Does Not contain Developer - Estimated Yield 320,000 pages. Mfr Part # A1UDR73000, A1UDR71111, A1UDR71100. Konica Minolta bizhub 223 Konica Minolta bizhub 283 Konica Minolta bizhub 36 Konica Minolta bizhub 363 Konica Minolta bizhub 42 Konica Minolta bizhub 423.