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e-STUDIO281c/351c/451c
(1) When scanning the original, press the [EDIT] button on the Control Panel. Select a lower resolution option
in the "RESOLUTION" option.
* In the "RESOLUTION" option, "200 (dpi)" is selected by default. Select a lower resolution option (100
dpi or 150 dpi) to reduce the file size.
* This adjustment will have an effect on the image scanned in all color modes (Full color, Gray scale, Black
and Auto color).
After changing the resolution, scan the original and check the scanned-in image quality.
If further image quality adjustments are still necessary, use the next procedure.
(2) When scanning the original, press the [EDIT] button on the Control Panel. In the "ORIGINAL MODE"
option, select [TEXT].
* Perform this adjustment, only if the black-and-white original containing no photo images is scanned or if
degradation in the photo image quality is acceptable.
* This adjustment will be effective, only if [TEXT/PHOTO] or [PHOTO] is initially selected from among
the original mode options.
* This adjustment will have an effect only on the image scanned in Black mode.
After changing original mode, scan the original and check the scanned-in image quality.
If further image quality adjustments are still necessary, use the next procedure.
(3) When scanning the original, press the [EDIT] button on the Control Panel. In the "JPEG COMPRESS"
option, select [HIGH].
* In the "JPEG COMPRESS" option, [MID] is selected by default.
* This adjustment will have an effect only on the image scanned in Full color mode (including Auto color
mode) or Gray scale mode.
After changing the compression rate, scan the original and check the scanned-in image quality.
If further image quality adjustments are still necessary, use the next procedure.
(4) When scanning the original, press the [EDIT] button on the Control Panel. Press the [BACKGROUND
ADJUSTMENT] button. Press the [ ] button to decrease the background density. Then select [HIGH] from
among the "JPEG COMPRESS" options.
* This adjustment will be effective, only when 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 Full color mode (including Auto color
mode) or 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, the
service technician must use another procedure.
5. Scanning-specific Adjustments
5.4