If your check scanner is not working as expected and you are using the same computer and scanner that has worked before please try the steps below based on the issue you’re experiencing.
If you haven’t installed the required Domuso software drivers, please call our Support Team at 424-396-1303 for assistance.
Issue 1: Scanner Has Power, but Checks Aren’t Pulling Through
Symptoms: The scanner light is on, but checks aren’t moving through the device.
Try These Steps:
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Make sure you’re using Google Chrome as your browser
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Log out of Domuso
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Close the browser completely
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Restart your computer
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This will reset the scanner service and help reconnect the device properly
Issue 2: “Transport Dead” Error in Rangerflex
Symptoms: The scanner has no power, and the light is off.
Try These Steps:
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Plug the scanner into a different USB port on your computer
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Try using a different USB cord if available
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This error indicates the scanner is not being detected by your computer
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Most common causes include a bad USB port or faulty cable
Issue 3: No Image Displayed, MICR Error, or Failed Scan
Symptoms: The check runs through the scanner, but no image appears in the Domuso portal.
Try These Steps:
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Flip the check over—it may be scanning the blank side
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Ensure the scanner is reading the item in the correct orientation:
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The front of the check (with MICR line) should feed through first
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The back of the check should follow
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Proper check orientation solves most MICR line reading issues
For ongoing scanner issues or additional help, please contact Domuso Support. We’re happy to walk you through setup and troubleshooting steps!