Canon imageRUNNER ADVANCE C350 series Service Manual page 116

2
Technical Explanation > Image Formation System > Controls > Image Stabilization Control
ITB
Laser Scanner Unit
Video data Patch image data
DC Controller PCB (UN04)
Density data
D-half control Main Controller PCB (UN81)
2 Technical Explanation > Image Formation System > Controls > Image Stabilization Control
Registration
Patch Sensor
Unit (Rear)
(UN32)
Registration
Patch Sensor
Unit (Front)
(UN31)
F-2-97
Output of patch pattern data
Patch pattern is created
(Y) D-half correction table
Actual gradation
characteristics
Y9 Y10
100
Output of density data
Ideal gradation
Y2
characteristics
D-half correction table is
Y1
created (Y,M,C,Bk)
100
0
Data output (V-CON)
100
Ideal gradation
characteristics
Gradation
characteristics
after correction
100
0
Data output (V-CON)
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Start
Main Controller PCB (UN81)
DC Controller PCB (UN04)
Registration Patch Sensor Unit
(Front,Rear)(UN31,UN32)
Patch scanning
DC Controller PCB (UN04)
Main Controller PCB (UN81)
F-2-98
2-73