Maintenance and 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
Colors differ from the original.
Poor character recognition during OCR scanning.
Pressing the Start button does not start scanning.
Scanned image by using the Start button is missing.

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 Destination. 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.

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

Make sure a document is placed on the document table of the scanner.

Change the Threshold setting in the Image Control dialog box. When Text (Background Removal) 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 Text (Background Removal) to Text/Line Art, then change the Threshold setting in the Image Control dialog box. See Image Controls.

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

Make sure Image Type is set to Color Document or Black & White Document in the Manual mode window.

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

Place a transparent sheet such as an overhead projector sheet, between the document and the document table.

Reposition the document slightly.

Make the image size slightly smaller.

Colors differ from the original.

Calibrate the screen. See Calibrating Your Screen.

Change the Image Type setting. See Image Types to make sure your settings are correct.

Printed colors do 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).

Poor character recognition during OCR scanning.

Change the Image Type setting. Select Text (Background Removal) as 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 OCR Scanning for more information.

Pressing the Start button does not start scanning.

Make sure EPSON SMART PANEL for Scanner is installed and the EPSON SMART PANEL's Launch Application path is set correctly.

For Windows 98 and 2000 users:

Click the Events tab in your scanner's Properties dialog box and make sure the Disable device events check box is clear. Also, make sure the Start button is selected as the Scanner events, and at least one scanner event recognizable application in the Send to this application list is selected.

Scanned image by using the Start button is missing.

Make sure desired application is assigned to the Start button.