6.1 OVERVIEW ...............................................................................................6-1
6.1.1 MECHANICAL COMPONENTS........................................................6-1
6.1.2 PAPER PATH...................................................................................6-2
Layout ...................................................................................................6-3
Drive Power Path ..................................................................................6-4
Scanner Unit .........................................................................................6-5
Image Transfer .....................................................................................6-6
Paper Path............................................................................................6-7
Development Units................................................................................6-8
Boards ..................................................................................................6-9
6.2 BOARD STRUCTURE.............................................................................6-10
6.2.1 BLOCK DIAGRAM..........................................................................6-10
6.2.2 CONTROLLER ...............................................................................6-12
6.3 COPY PROCESS....................................................................................6-14
6.4 PROCESS CONTROL ............................................................................6-16
6.4.1 OVERVIEW ....................................................................................6-16
Six Steps.............................................................................................6-16
When is Process Control Done?.........................................................6-16
6.5 SCANNING..............................................................................................6-19
6.5.1 OVERVIEW ....................................................................................6-19
6.5.2 SCANNER DRIVE ..........................................................................6-20
Book Mode..........................................................................................6-20
ARDF Mode ........................................................................................6-20
6.6 IMAGE PROCESSING ............................................................................6-23
6.6.1 OVERVIEW ....................................................................................6-23
Signal Processing ...............................................................................6-24
A/D Conversion...................................................................................6-24
Others .................................................................................................6-24
VPU Test Mode ..................................................................................6-25
Shading Correction .............................................................................6-26
Filtering ...............................................................................................6-27
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