Canon imageRUNNER ADVANCE C350 series Service Manual page 118

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
ARCDAT 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-2-100
Output of patch pattern data
Patch pattern is created
Reference data for
example)
ARCDAT of copy pattern
Measurement data (SIN)
INT
40
α
20
SIN
Comparison of measurement data (SIN)
10 40
and reference data (INT)
Data output(D-CON)
Offset value (alpha) determination
(i.e., difference between SIN and INT)
Current gradation
100
characteristics
60
Gradation characteristics
after correction
40
α
20
40
Data output(V-CON)
2-75
Start
Main Controller PCB (UN81)
DC Controller PCB (UN04)
Registration Patch Sensor Unit
(Front,Rear)(UN31,UN32)
Patch scanning
DC Controller PCB (UN04)
transmission
Main Controller PCB (UN81)
Main Controller PCB (UN81)
Main Controller PCB (UN81)
Inclusion of result in
D-half correction table
F-2-101
2-75