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ADJUSTING THE THRESHOLD VALUE
When scanning in black and white mode, you can adjust the threshold value. As the threshold value is increased,
black becomes stronger. As the threshold value is decreased, white becomes stronger.
Select scan mode, place the original (steps 1 to 3 on
The factory default setting for the threshold value is "128".
To change the threshold value, follow these steps:
The threshold value can only be adjusted when the color mode is set to "B/W".
Note
1
Press the [SPECIAL FUNCTION] key in
scan mode.
Perform this operation from the
ON LINE
DATA
base screen of scan mode.
SPECIAL
FUNCTION
When the [SPECIAL
FUNCTION] key is pressed, the
LINE
special function menu appears.
COPY
EXPOSURE
PAPE
DATA
SCAN
COLOR MODE
RESOLUT
(To select scan mode, see step
1 on
2
Select "B/W THRESHOLD" with the
[ ] or [ ] key.
PQ
UPLEX
LEX SCAN
LEX SCAN
ACC
3
Press the [OK] key.
GHI
BACK
OK
PQRS
X
AN
ADJUSTING THE SCANNING EXPOSURE
The exposure for an image can be adjusted when scanning in color mode or gray mode. The larger the value, the
darker the image.
Select scan mode, place the original (steps 1 to 3 on
The scanning exposure is set to "3" by factory default.
1
Press the [SPECIAL FUNCTION] key in
scan mode.
Perform this operation from the
ON LINE
DATA
SPECIAL
base screen of scan mode.
FUNCTION
When the [SPECIAL
FUNCTION] key is pressed, the
LINE
special function menu appears.
COPY
EXPOSURE
PAPE
DATA
SCAN
COLOR MODE
RESOLUT
(To select scan mode, see step
1 on
page
20.)
SPECIAL FUNCTION
B/W THRESHOLD
EXPOSURE ADJUST
LIGHT SOURCE
VOID AREA
page
20.)
HOW TO USE THE NETWORK SCANNER FUNCTION
page
20), and then follow the procedure below.
4
Select the desired threshold value
with the [ ] or [ ] key.
The default setting is "128". White becomes stronger
as the displayed value approaches "1". Black becomes
stronger when the displayed value approaches "254".
5
Press the [OK] key.
OK
page
20), and then follow the procedure below.
2
Select "EXPOSURE ADJUST" with the
[ ] or [ ] key.
UPLEX
LEX SCAN
LEX SCAN
(Page
27)
B/W THRESHOLD
128
(1~254)
The set value is stored and you
return to the base screen.
SPECIAL FUNCTION
PQ
B/W THRESHOLD
EXPOSURE ADJUST
LIGHT SOURCE
ACC
VOID AREA
2
29
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