Canon imageRUNNER C1325 Series, Service Manual

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Technical Explanation > Image Formation System > Controls > Image Stabilization Control
Technical Explanation > Image Formation System > Controls > Image Stabilization Control
Patch image data
Laser output
DC Controller PCB (UN04)
Main Controller PCB (UN81) ARCDAT control
Laser Scanner Unit
Registration
Patch Sensor
Unit (Front)
(UN31)
ITB
Registration
Patch Sensor
Unit (Rear)
(UN32)
Density data
Video data
F-2-87
Comparison of measurement data (SIN)
and reference data (INT)
Main Controller PCB (UN81)
Data output(V-CON)
Density data(D-CON)
100
20
40
40
Gradation characteristics
after correction
60
Current gradation
characteristics
Registration Patch Sensor Unit
(Front,Rear)(UN31,UN32)
Measurement data (SIN)
transmission
Patch scanning
Output of patch pattern data
Main Controller PCB (UN81)
Patch pattern is created
DC Controller PCB (UN04)
Data output(D-CON)
Density data(D-CON)
40
20
40
10
INT
SIN
Offset value (alpha) determination
(i.e., difference between SIN and INT)
α
Main Controller PCB (UN81)
α
Main Controller PCB (UN81)
Inclusion of result in
D-half correction table
example)
Reference data for
ARCDAT of copy pattern
Start
DC Controller PCB (UN04)
F-2-88