IRIScan Express 4

USB portable scanner

Knowledgebase

• Error message: "Initialization failed" - macOS

  The message Initialization failed is linked to Apple which has reinforced its development protocols. You must manually authorize the installation of all scanner components. To do this, follow this pro...

• How do I use the Button Manager?

  The Button Manager provides you an easy way to scan your documents and send them to your favorite software applications and Cloud destinations. All this can be done with a simple touch of the button o...

• Why are there strange lines on the scanned document?

  Please check the following: 1. Are there scratches on the original or is the original clean? 2. Remove any stains or dust from the original before scanning. 3. Clean the rollers and glass with the inc...

• How to install driver (Mac)

  It may happen that some of you are facing a driver installation problem on Mac with your IRIScan Express 4. We updated the driver recently so we hope that it will make your life easier. Here is the cl...

• How do I calibrate the scanner?

  Important: calibrate the scanner only if the scanned image looks fuzzy, the color looks abnormal (e.g. darker than normal), after more than 8,000 scans or if the scanner has been stored without use fo...

• When I choose 600 dpi as optical resolution, why are the "auto crop" and "deskew" functions disabled?

  Since performing auto crop and deskew consumes great deal of system memory, it is recommended to select an optical resolution below 600 dpi to prevent errors....

• How to clear a paper jam?

  To clear a jam from the feeder, press and hold the Power button for 3 seconds to power off, then press quickly to power on again. The jammed photo will be fed through automatically.   If the item is s...

• Why does my scanned image always come out too dark?

  1. Please adjust the screen settings to SRGB. 2. Please adjust the brightness settings on the screen from application software....

• Should the scanner feel warm to the touch?

  It is normal for the scanner to emit a small amount of heat after prolonged use. However, if there are strange odors coming from the scanner or the scanner feels a little bit hot to the touch, turn th...

• How do I uninstall IRIScan Express 4 on Mac OS?

  Go to the package you downloaded from the I.R.I.S. website. Open the Uninstall Scanner folder. Double-click Press Uninstall. Enter your super user password. The IRIScan driver and Capture Tool will be...