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Technology■>■Image■Formation■System■>■Controls■>■Image■stabilization■control
Technology■>■Image■Formation■System■>■Controls■>■Image■stabilization■control
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Drum■cleaning
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Overview
To■clean■residual■toner■on■the■photosensitive■drum
Residual■toner■on■the■drum■is■scraped■by■the■drum■cleaning■blade.
Then,■rotation■of■the■waste■toner■screw■feeds■the■residual■toner■to■the■waste■toner■case.
Photosensitive drum
Primary charging roller
Waste toner screw
Drum cleaning blade
Cleaning brush roller
F-2-91
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Image■stabilization■control
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Overview
To■prevent■image■fault■due■to■environmental■change■or■deterioration■of■photosensitive■drum■
to■make■stable■print■image
Laser scanner unit
Drum film thickness
detection
ATR control
Toner
Toner
Toner
Toner
D-max control
PASCAL control
D-half control
ARCDAT control
Color displacement
correction control
ATVC control
Main controller 2
DC controller(UN1)
Y
M
C
Bk
Patch sensor
(Front/Center/Rear)
(UN47 / UN48 / UN49)
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Control■timing
Execution■items■for■image■stabilization■control■differ■according■to■the■environment■or■the■
condition■of■image-formation■parts.
Following■shows■the■control■items■to■be■executed■by■each■sequence■as■well■as■the■downtime■
(estimation).
F-2-92