Konica Minolta SD506 Saddle Stitch Unit - compatible with these models:

Konica Minolta AccurioPress 6120
Konica Minolta AccurioPress 6136
Konica Minolta AccurioPress 6136P
Konica Minolta AccurioPress 6136P MICR
Konica Minolta AccurioPress 6272P
Konica Minolta AccurioPress 7120
Konica Minolta AccurioPress 7136
Konica Minolta AccurioPress 7136P
Konica Minolta AccurioPress C83hc
Konica Minolta AccurioPress C3070
Konica Minolta AccurioPress C3080
Konica Minolta AccurioPress C3080P
Konica Minolta AccurioPress C4070
Konica Minolta AccurioPress C4080
Konica Minolta AccurioPress C6085
Konica Minolta AccurioPress C6100
Konica Minolta AccurioPress C7090
Konica Minolta AccurioPress C7100
Konica Minolta AccurioPress C12000
Konica Minolta AccurioPress C14000
Konica Minolta bizhub PRESS 2250P