Oki Data CONFIDENTIAL44871001TH Rev.6 2-152. DESCRIPTION OF OPERATION2.4.1.5 Jam detectionDocument jam is detected by the sensors shown in the illustration.Check timing of thedocument jam detection has already been memorized in the ROM of the sensor main PCBbeforehand so that jam occurrence can be judged from the information if a document exits ornot, at the corresponding sensor block.PI11PI12PI13PI14PI11 : Regist paper sensorPI12 : Reverse paper sensorPI13 : Cover open/close sensorPI14 : Document set sensor2.4.2 Document table structure2.4.2.1 OverviewFlatbed unit consist of Cover-Top-Assy, Frame-Bottom-Assy, Carriage-Assy and Flatbed driveblock.The lamp (LED) is located on top of the Carriage-Assy. The light imadiated by the lamp (LED)rodrenze in this order and reaches the CMOS Sensor.
