Oki Data CONFIDENTIAL
44871001TH Rev.6
2-15
2. DESCRIPTION OF OPERATION
2.4.1.5 Jam detection
Document jam is detected by the sensors shown in the illustration.Check timing of the
document jam detection has already been memorized in the ROM of the sensor main PCB
beforehand so that jam occurrence can be judged from the information if a document exits or
not, at the corresponding sensor block.
PI11
PI12
PI13
PI14
PI11 : Regist paper sensor
PI12 : Reverse paper sensor
PI13 : Cover open/close sensor
PI14 : Document set sensor
2.4.2 Document table structure
2.4.2.1 Overview
Flatbed unit consist of Cover-Top-Assy, Frame-Bottom-Assy, Carriage-Assy and Flatbed drive
block.
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.
Summary of Contents for MB461MFP
Page 1: ...MB461 MB471 MB491 MB491 MB491 LP MPS4200mb MPS4700mb Maintenance Manual 031314C ...
Page 72: ...Oki Data CONFIDENTIAL 44871001TH Rev 6 3 21 3 MFP INSTALLATION Sample MB471 Sample MB491 ...
Page 114: ...44871001TH Rev 6 4 36 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS ...
Page 138: ...Oki Data CONFIDENTIAL 5 LUBRICATING POINT 5 1 Lubrication point 5 2 ...