Epson ES-300C User's Guide download pdf (Page 66)

Images cannot be scanned at all or only a few dots appear in the

scanned image.

Try different EPSON TWAIN settings. Be aware that some

settings disable others for a particular effect. Also, depending

on your scanner, some features may not be available.

Set the

Brightness, Highlight,

Gamma Correction to

darker settings and scan the image again.

If you selected

Line Art

as the Image Type setting and any

setting other than

Screen

as your Destination setting, try

increasing the

Threshold

setting to a higher value.

Moiré (interference) patterns appear in the scanned image.

Moiré patterns commonly occur when you scan images that

include halftone screens. To minimize this effect, try any of the

following solutions:

Move or angle the original slightly

Change the

Sharpness

setting

Change the

Scale

setting slightly

Scan in 3-pass mode.

When you select 16 Gray as a Pixel Depth setting, the scanned

image appears black in your application software.

Choose

256 Gray

as a Pixel Depth setting and try scanning

your image again.

Troubleshooting

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Epson ES-300C User's Guide Page 66