Troubleshooting - Mustek iDocScan D20 User Manual

TROUBLESHOOTING

Problems
My computer can't detect the
scanner or the scanner doesn't start
scanning.
Feeding errors and document jams
occur in the ADF.
Poor scan quality.
White or blank page(s) found.
Vertical lines or stains appear on
scanned images.
Scanned images appear skewed,
incomplete or cropped.
Deskew doesn't work properly.
22
Solutions

Check the power supply and cable are connected correctly.

Be sure to restart your computer after the scanner driver is installed.

Check if the power of the scanner is turned on .

Refer to the "Clearing Document Jams in ADF" section for removing the jammed paper, and also
read the "Tips for Preventing Document Jams".

Be sure the ADF Cover is closed properly.

Refer to the "Cleaning the ADF parts" section for cleaning the ADF.

Check If the Separation Pad appears worn, refer to the "Replacing the Separation Pad" section.

Inspect your original(s) if they are distorted or damaged.

Refer to the "Cleaning the Scanner" section to clean the ADF parts and the Flatbed Glass.

Verify the scan quality in the software setting and increase the resolution.

Make sure you have placed the original(s) correctly in the ADF or flatbed as the Scan Source
setting.

Make sure the paper is facing the correct direction.

Scan a blank page to verify if the lines or stains continue to appear, clean the scanner.

Refer to the "Cleaning the Scanner" section to clean the ADF parts and the Flatbed Glass.

Refer to the "Calibrating the Scanner" section to calibrate your scanner.

Place the original(s) correctly in the ADF and flatbed.

Align the documents with the Width Guides and do not exceed the ADF tray capacity.

Tick the "Deskew" checkbox in the Scan Size set to "Auto".

Originals with darker backgrounds and dark text are difficult to deskew. Deskew may not work
properly when deskewing dark images.