Oki MC780f MC770/780 User Guide - Advanced - Page 184

Erasing black frames around images, Adjusting exposure, Adjusting contrast, RANGE ADJUSTMENT

Page 184 highlights

USEFUL FUNCTIONS [OFF] - Select this option when you want to disable the feature and include blank pages in your scans. 1 Note • The equipment may not detect blank pages correctly in the following cases: • The original consists of half-tone pages. • Pages contain small text/images, such as a page number printed on a blank page. Erasing black frames around images 2 You may want to scan originals with the original cover left open especially when they are as small as a drivers license or as thick a book as a dictionary. In this case, the open cover admits light to the Original Glass surface, producing a scan image with a black outer frame. This black frame can be erased using the Outside Erase feature. 3 • The feature may not produce an appropriate output when your original contains a concave shaped image with a dent. • The margins may not be erased correctly under the following conditions: - Light intrudes into the margin area of the original placed on the Original Glass. - Hands or fingers holding the original on the Original Glass are scanned. Adjusting exposure Use and to select the preferable exposure setting from 11 levels. If [AUTO] is selected, the automatic exposure adjustment feature is enabled, automatically setting the exposure best suited to your originals. 4 Adjusting contrast Use and 9 levels. to select the preferable contrast setting from 5 [ON] - Select this option to enable the Outside Erase feature. Pressing the button makes the Range Adjustment slider available. [OFF] - Select this option to disable the Outside Erase feature. 6 RANGE ADJUSTMENT - Use and to select the appropriate sensitivity from 7 levels to detect the boundary between the image and outer frame. The higher the level, the more area is erased. Memo • The sensitivity level for detecting images and the outer 7 frame can be changed for each job using the control panel. Note • The contrast setting is available only when [FULL COLOR] or [AUTO COLOR] is selected for the color mode setting. Note • Regardless of the settings, this feature is disabled under the following conditions: - The Document Cover is closed at the time of scanning. - The originals are scanned from the Reversing Automatic Document Feeder. • Set the appropriate exposure manually. Enabling Outside Erase cancels the automatic exposure adjustment feature.  P.184 "Adjusting exposure" - 184 -

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USEFUL FUNCTIONS
- 184 -
2
1
3
4
5
6
7
[OFF
]
— Select this option when you want to disable the
feature and include blank pages in your scans.
Note
The equipment may not detect blank pages correctly in the
following cases:
The original consists of half-tone pages.
Pages contain small text/images, such as a page number
printed on a blank page.
Erasing black frames around images
You may want to scan originals with the original cover left open
especially when they are as small as a drivers license or as
thick a book as a dictionary. In this case, the open cover admits
light to the Original Glass surface, producing a scan image with
a black outer frame. This black frame can be erased using the
Outside Erase feature.
[ON]
— Select this option to enable the Outside Erase feature.
Pressing the button makes the Range Adjustment slider
available.
[OFF
]
— Select this option to disable the Outside Erase
feature.
RANGE ADJUSTMENT
— Use
and
to select the
appropriate sensitivity from 7 levels to detect the boundary
between the image and outer frame. The higher the level, the
more area is erased.
Memo
The sensitivity level for detecting images and the outer
frame can be changed for each job using the control panel.
Note
Regardless of the settings, this feature is disabled under the
following conditions:
-
The Document Cover is closed at the time of scanning.
-
The originals are scanned from the Reversing
Automatic Document Feeder.
Set the appropriate exposure manually. Enabling Outside
Erase cancels the automatic exposure adjustment feature.
P.184 "Adjusting exposure"
The feature may not produce an appropriate output when
your original contains a concave shaped image with a dent.
The margins may not be erased correctly under the
following conditions:
-
Light intrudes into the margin area of the original placed
on the Original Glass.
-
Hands or fingers holding the original on the Original
Glass are scanned.
Adjusting exposure
Use
and
to select the preferable exposure setting
from 11 levels. If [AUTO] is selected, the automatic exposure
adjustment feature is enabled, automatically setting the
exposure best suited to your originals.
Adjusting contrast
Use
and
to select the preferable contrast setting from
9 levels.
Note
The contrast setting is available only when [FULL COLOR]
or [AUTO COLOR] is selected for the color mode setting.