Density (Manual) - Canon imageFORMULA DR-G2140 Service Manual

5. Density (Manual)

This is for manually changing values set
at factory shipment or with [Density (Auto)].
The value set automatically is equivalent
to the midrange value of [128] for the driver's
brightness adjustment. Density of the mid-
range value [128] can be changed with this
manual adjustment. Differences in front- and
backside densities can also be adjusted.
 Operation Procedure
1) First, determine the amount by which to
adjust from an actual scan image. The
amount for adjustment by the driver is
equivalent to the setting value of this mode.
Note: For example as a guide, to change the
density of the driver's setting value [118]
to the midrange value, based on an ad-
justment amount of 118-128=-10, the
setting values for this mode should be [-
10].
2) Select [Edit].
3) Enter the setting value in the data box us-
ing the scroll arrows. Front- and backside
setting values are independent. The figure
below shows only the front side being
changed from [0] to [-10]. The setting value
can be in a range of ±20.
Note: The recommended range is ±10
Exceeding this range may prevent im-
age processing such as automatic size
detection and B&W/color detection from
running correctly.
Figure 5-246
COPYRIGHT © CANON ELECTRONICS INC. 2018
4) Input the adjustment value and select [Ap-
ply].
5) Check a scan image after making the
change. Readjust as necessary.
Note: Make sure to check density of an image
scanned under the same conditions as
an actual scan. Don't use the [Scan
Test] for checking density adjustment.
 Example of density adjustment results
1) Setting value [-10] →Darker
2) Setting value [10] →Lighter
CANON DR-G2140/G2110/G2090 FIRST EDITION
CHAPTER 5 TROUBLESHOOTING
Figure 5-247
Figure 5-248
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