Canon IMAGERUNNER ADVANCE C5045, Service Manual

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2
2
2-66
2-66
100
20
40
40
60
40
20
40
10
INT
SIN
α
α
Comparison of measurement data (SIN)
and reference data (INT)
Data output(V-CON)
Density data(D-CON)
Gradation characteristics
after correction
Current gradation
characteristics
Measurement data (SIN) transmission
Patch pattern formation
Data output(D-CON)
Density data(D-CON)
Offset value (alpha) determination
(i.e., difference between SIN and INT)
Inclusion of result in
D-half correction table
Patch sensor(center)(UN49)
Main controller2
Main controller2
Main controller2
DC controller(UN1)
Patch scanning
Start
DC controller(UN1)
F-2-107 F-2-107
Color displacement correction control
This control corrects uneven exposure of the laser scanner unit or color displacement caused
by uneven rotation of the drum or ITB
DC controller(UN1)
ITB belt
Registration sensor
(rear)
(UN48)
Patch sensor
(Center)
(UN49)
Patch sensor
(front)
(UN47)
●
F-2-108 F-2-108