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5. Scanning-specific Adjustments
(4) When scanning the original, press [SCAN SETTING] on the Control Panel. Press [BACKGROUND
ADJUSTMENT]. Press [ ] to decrease the background density. Then select "HIGH" from among the
compression rate options.
* This adjustment will be effective, only if the original with a color background, such as a newspaper and
color paper, is scanned.
* This adjustment will have an effect only on the image scanned in the Full color mode (including the Auto
color mode) or the Gray scale mode.
After decreasing the background density and changing the compression rate, scan the original and check the
scanned-in image quality.
With the background density set to the minimum, if further image quality adjustments are still necessary, use
other procedures.
(5) Select [05 ADJUSTMENT MODE]. Change the value for the code [8304] to change the JPEG compression ratio.
Caution after the adjustment
• The table below shows you the correlation between the adjustment and file size. (The ratio of the file size may
vary, depending on the type of original. Therefore, use the table below just for your reference.)
• Correlation between the resolution and the file size (procedure (1))
* The file size in a resolution of 200 dpi is 100%.
• Correlation between the original mode and the file size (procedure (2))
* The file size in the Photo mode is 100%.
• Correlation between the compression rate and the file size (procedure (3))
* The file size is 100%, with [MID] selected.
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