Specifying the reference image quality, Specifying the reference image quality -25 – Konica Minolta bizhub PRESS C1100 User Manual
Page 70
5-25
5.2
Image Quality Adjustment
Specifying the reference image quality
To stabilize the image quality of this machine, specify the reference values (targets) of the entire printing system in
advance.
Tips
If the image quality has not been appropriately adjusted only through daily calibration, you may improve the situation
by carrying out the following tasks.
Ad-
just-
ment
order
Menu item
Description
Tips
1
Screen Pattern
Specify the screen to be used. Select the required
screen from [Screen 1], [Screen 2], and [Stochastic].
Select [Administrator Setting] - [System Setting] - [Ex-
pert Adjustment] - [Quality Adjustment] - [Custom
Screen] to configure the setting.
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2
Gamma Automat-
ic Adj.
Adjusts the curve of the output density against the in-
put density.
This affects the brightness and contrast.
On the [MACHINE] screen, select [Adjustment] - [Exe-
cute Adjust Operation] - [Gamma Automatic Adj.] to
execute processing.
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3
Density Balance
Adjustment
Corrects the density balance in the crosswise direc-
tion to output the even density.
•
On the [MACHINE] screen, select [Adjustment] -
[Density Balance Adjustment] - [Density Balance
Chart Output] to print out a chart.
•
On the [MACHINE] screen, select [Adjustment] -
[Density Balance Adjustment] - [Density Balance
Data Reg/Del] to register the adjusted values.
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4-a
Color Density
Control (recom-
mended)
Basic Setting
Configure a setting so that this
machine executes calibration
automatically at periodic inter-
vals.
Color Density
Manual Control
Executes calibration at any tim-
ing in addition to the periodic
adjustment.
Each Paper Type
Color Adj.
Adjusts the sensor sensitivity to
fit the paper. This function is
available when using colored
paper or enhancing the sensor
accuracy.
On the [MACHINE] screen, se-
lect [Adjustment] - [Color Densi-
ty Control] - [Each Paper Type
Color Adj.] to adjust the sensitiv-
ity.
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4-b
Calibration by im-
age controller
(when [Color Den-
sity Control] is not
used)
Executes calibration using Color Centro.
5
"Exact Color" or
"G7 Calibration"
Executes calibration for color mixture.
This function can be used to improve the gray bal-
ance.
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