Sharp MX-2301N Operation Manual page 804

Problem
The [COLOUR START]
key indicator is not lit.
JPEG was selected for
the file type but the file
was created as a TIFF
file.
The image is too light
or too dark.
(When using PC
Scan.)
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Point to check
Are Internet fax or fax destinations
included?
Did you press the [BLACK & WHITE
START] key to begin scanning?
Is the threshold value suitable?
Are the brightness and contrast settings
suitable?
If Internet fax or fax destinations are included in the
destinations, only the [BLACK & WHITE START] key
can be used.
When [JPEG] is selected for the file type and the image
is scanned in Mono 2, the file will be created as a TIFF
file. To create the file as a JPEG file, change the colour
mode to [Full Colour] and then press the [COLOUR
START] key.
When scanning from the TWAIN driver with [Mono 2
gradation] selected from the [Colour Mode] of the
"Professional" window, check the "B/W Threshold"
setting. A large threshold value makes the image darker
and a small threshold value makes the image brighter.
To adjust the "B/W Threshold" automatically, click the
[Auto Threshold] button on the [Image] tab of the
"Professional" window.
When the brightness and contrast settings are not
suitable (for example, the scanned image is too bright),
click the [Auto Brightness / Contrast Adjustment] button
on the [Colour] tab of the "Professional" window. You
can also click the [Brightness / Contrast] button to set
the brightness and contrast while viewing the scanned
image.
8-27
TROUBLESHOOTING
Solution
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