Toshiba 351C, 451C ‰ Cautions after the completion of the adjustment, Resolution, File size ratio

Models: 351C 451C e-STUDIO281c

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JPEG compression rate

5. Scanning-specific Adjustments

‰Cautions after the completion of 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 a resolution and file size (procedure (1))

*The file size in a resolution of 200 dpi is 100%.

Resolution

File size ratio

200 dpi

100%

150 dpi

Approx. 60%

100 dpi

Approx. 40%

• Correlation between original mode and file size (procedure (2)) *The file size in Photo mode is 100%.

Original mode

File size ratio

Photo

100%

Text

Approx. 30%

• Correlation between JPEC compression rate and file size (procedure (3)) *The file size is 100%, with [MID] selected.

JPEG compression rate

File size ratio

MID

100%

HIGH

Approx. 80%

• The adjustment may possibly diminish the image quality, as shown by the table below. Therefore, carefully perform the adjustment, while checking the scanned-in image.

Procedures used

Possible image degradation

Any of procedures from (1) to (4)

A photo image area may be blurred.

(1) or (3)

Noise may be increase around text.

(1) or (3)

Small-sized text may become illegible.

(4)

Light-colored images may not be clearly scanned.

5.4 e-STUDIO281c/351c/451c

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Toshiba 351C, 451C manual ‰ Cautions after the completion of the adjustment, Resolution, File size ratio, Original mode