Oki Data CONFIDENTIAL 1. CONFIGURATION44983601TH Rev.1 1-2 /1.2 Printer ConfigurationThe printer main unit includes the following hardware parts.• Electrophotographic processing part• Paper feeding part• Controller• Operational part• Power supply unitFigure1-2B401d/B401dn/B411d/B411dnNote! • Fuser-Assy has to be replaced by Assy unit.• It is forbidden to disassemble Fuser-Assy or reuse the disassembled Fuser-Assy.The configuration of printer main unit is shown as diagram 1-2~1-4