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Contents
iii
3.10Explanation of Control Panel ............................................................26
3.10.1 Control Panel (Basic).....................................................................26
3.10.2 Control Panel (Shift Function)........................................................33
3.11Image Processing...............................................................................35
4 Mechanical and Electrical
4.1 Illumination Mechanism.....................................................................37
4.1.1 Overview........................................................................................37
4.1.2 Projection Lamp (LA1) ...................................................................37
4.1.3 Projection Lamp Voltage Control Circuit........................................38
4.1.4 Thermostat (TS1)...........................................................................39
4.1.5 Condenser Lens.............................................................................40
4.1.6 Projection Lens ..............................................................................41
4.2 Image Rotation....................................................................................42
4.2.1 Prism Rotation ...............................................................................42
4.2.2 Auto Image Rotating Motor (M5) Control Circuit............................42
4.3 Optical Section ...................................................................................43
4.3.1 Overview........................................................................................43
4.3.2 Reader Path...................................................................................44
4.3.3 Scan Path ......................................................................................44
4.3.4 Scan Table Drive Mechanism........................................................45
4.3.5 Scan Mirror Motion Control............................................................46
4.3.6 Mirror Scan Motor (M1) Control Circuit..........................................47
4.4 CCD Section........................................................................................48
4.5 Image Bus ...........................................................................................49
4.6 Auto Masking ......................................................................................52
4.6.1 Overview........................................................................................52
4.6.2 Masking Area Detection.................................................................52
4.6.3 Requirements for Auto Masking.....................................................52
4.7 Auto Image Skew Correction.............................................................55
4.7.1 Overview........................................................................................55
4.7.2 Requirements for Auto Skew Correction........................................55
4.8 Manual Frame Masking......................................................................56
4.9 2 to 1 Printing Function .....................................................................57
4.9.1 Overview........................................................................................57
4.9.2 Operation .......................................................................................57
4.9.3 Identification Marks........................................................................58
5 Disassembly and Cleaning
5.1 Precautions .........................................................................................59