Scanner  | Light source: Two LED lamps  | 
SBU (3-line CMOS sensor, Resolution: 600 dpi)  | |
Drive  | Scanner Drive Motor (Biphase Stepping Motor)  | 
Drive Wire  | |
Scanner home position Sensor  | |
Original Size Detection  | APS (Length Sensor x 2), CCD (Width detection)  | 
Others  | Anti-Condensation Heater (Service Option)  |