Table of Contents
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Theory of Operation Ver. 8.0 Jun. 2008
21.3.2
Duplex print ............................................................................................... 151
22.
Image stabilization control................................................................................... 157
22.1 Overview........................................................................................................... 157
22.2 Operation .......................................................................................................... 158
22.2.1
IDC registration sensor adjustment control ............................................... 158
22.2.2
Max. density adjustment control ............................................................... 158
22.2.3
LD (laser diode) intensity adjustment control ............................................ 158
22.2.4
Gamma correction control......................................................................... 158
22.3 Operation sequence ......................................................................................... 159
22.4 Operation timing ............................................................................................... 160
23.
Image processing................................................................................................ 164
23.1 Scanner section image processing block diagram............................................ 164
23.2 Write section image processing block diagram ................................................ 165
24.
Other control ....................................................................................................... 168
24.1 Fan control ........................................................................................................ 168
24.1.1
Construction.............................................................................................. 168
24.1.2
Operation .................................................................................................. 169
24.2 Counter control ................................................................................................. 174
24.2.1
Construction.............................................................................................. 174
24.3 Power supply unit.............................................................................................. 175
.......................................................................................................................... 176
24.4.1
Parts operated when the main power switch and sub power switch are
turned ON ................................................................................................. 176
24.5 Authentication unit (Biometric type) (AU-101)................................................... 177
24.6 Authentication unit (IC card type: AU-201) ....................................................... 177
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