DS-40 User’s Guide Troubleshooting ❏ When using security software, exclude the TWAIN.log file from monitoring, or set the TWAIN.log as a read-only file. For more information on your security software's functions, see the help and so on supplied with the software. The TWAIN.log file is saved in the following locations. Windows XP: C:\Documents and Settings\(user name)\Local Settings\Temp Windows 8.1/ Windows 8/ Windows 7/ Windows Vista: C:\Users\(user name)\AppData\Local\Temp Problems With Scanned Images Scan quality is unsatisfactory Scan quality can be improved by changing the current settings or adjusting the scanned image.
& “Adjusting the Scanned Image” on page 28 An image on the back of your original appears in your scanned image When scanning thin paper, images on the back may be visible to the product and appear in your scanned image. ❏ Make sure the Document Type and Image Type settings are correct for your original. ❏ Select Text Enhancement as the image quality setting from the scanning software. Characters are blurred ❏ Select Text Enhancement as the image quality setting from the scanning software. ❏ When the Image Type is Black&White, select Threshold setting as the image quality setting from the scanning software. ❏ Increase the resolution setting.
Characters are not recognized when converted into editable text (OCR) ❏ Make sure the document lies perfectly straight in the input slot. ❏ Select the Text Enhancement check box. ❏ Adjust the Threshold setting. Select Black & White as the Image Type setting. Then try adjusting the Threshold setting. ❏ Set the scanning resolution within 200 to 600 dpi. ❏ Check your OCR software manual to see if there are any settings you can adjust in your OCR software. 48