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Use this guide to remove the belt that moves the Visioneer OneTouch 7400 USB sensor bar for repair or replacement.
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On the bottom of the scanner, remove the screw at the top left side.
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Remove the rubber foot pad opposite the screw hole to expose a second screw hole.
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Remove the screw beneath the foot-pad.
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Rotate the scanner so the screw hole is located on the top left hand side.
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Place the plastic opening tool between the top casement and bottom casement of scanner with the hook facing up.
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Gently pry the two casements apart beginning above the screw hole and working your way around.
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Remove the screw holding the tension spring in place.
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Use the plastic opening tool to lift up the tension spring.
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Loosen the belt enough to turn over the sensor bar.
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With the sensor bar turned upside down, remove the screw in the middle of the bar.
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Lift off the metal plate if it does not come away with the screw.
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Carefully lift the belt out of the groove in the sensor bar to remove.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.