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Troubleshooting

Scanning Problems

Image is dark, with little or no detail.
You cannot scan an image or you only get a few dots for the scanned image
Moiré (cross-hatch) patterns appear in the scanned image
Scanned image is too large.
Colors differ from the original.
Poor character recognition during OCR scanning.

Image is dark, with little or no detail.

• Calibrate the screen as described in Calibrating Your Screen.

• Change the Destination setting. Select Screen/Web as the Destinations. Selecting a printer may cause on-screen colors to be different from the colors of the original, however colors will be reproduced correctly when it is printed.

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You cannot scan an image or you only get a few dots for the scanned image

• Make sure you have placed a document on the document table of the scanner.

• Change the Threshold setting. When OCR is selected as the Image Type, change Text Enhancement Technology to None from the B/W Option in the Image Type dialog box. Then change the Threshold setting in the Image Controls dialog box.
  Or change OCR to Line Art, then change the Threshold setting in the Image Control dialog box. See Image Controls.

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Moiré (cross-hatch) patterns appear in the scanned image

• Change the Image Type settings. Turn the De-screening setting On in the Image Type dialog box.

• Place a transparency sheet between the document and document table.

• Reposition the document slightly.

• Make the Image Size setting slightly smaller.

• Change the focus position setting.

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Scanned image is too large.

• Change the Destination setting. Select Screen/Web as the Destinations. If you select a printer as the Destination setting, the print size will be correct, although the image may appear enlarged on the screen of some applications.

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Colors differ from the original.

• Calibrate the screen. See Calibrating Your Screen.

• Change the Image Type and Destination settings. See Image Types and Destinations to make sure your settings are correct.

• Printed colors will not exactly match the colors on your monitor, since printers and monitors use different color systems: monitors use RGB (red, green, and blue), while printers typically use CMYK (cyan, magenta, yellow, and black).

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Poor character recognition during OCR scanning.

• Change the Image Type setting. Select OCR as described in Image Types.

• Try adjusting the Threshold setting in the Image Controls dialog box.

• Select Text Enhancement Technology from B/W Option in the Image Type dialog box to eliminate background noise.

• See Optimizing Image Scanning for more information.

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