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If you're having scanning issues as a result of a faulty sensor bar, this is where you will want to begin.
To replace the sensor bar in the Canon CanoScan N670U, you must:
- Remove the two plastic bars that hold the glass scanner bed.
- Set aside the scanner bed.
- Loosen the belt from the plastic hook.
- Remove the sensor bar for replacement.
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Open up your Canon CanoScan N670U to an upright position.
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Turn your device so that you're facing the long side of the Canon CanoScan N670U.
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Locate the small crevice between the plastic components of the scanner bed and the scanner base.
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Carefully insert a metal spudger tool in the crevice and slowly cut through the adhesive between the plastic components.
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Once the adhesive strip is sliced through, the plastic bar that is attached should release. Set aside the plastic bar.
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Repeat steps 2-4 for the other side of the scanner.
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Use your hands or a metal spudger tool to push the plastic bar at the bottom of the glass scanner bed forward until you can't push it any farther.
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Insert the metal spudger tool underneath the glass scanner bed. The front of the scanner bed should be resting on top of the tool.
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Slowly pull the glass scanner bed towards you and set the piece aside.
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This is the sensor bar that you will replace.
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Locate the small plug where the white strip of cable is connected to.
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Unfurl the cable strip if it's tucked in.
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crwdns2935267:0crwdne2935267:0Tweezers$4.99
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Gently use tweezers or your fingers to rock the cable back and forth to disconnect the it.
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Locate the small metal spring behind the front buttons of the Canon CanoScan N670U.
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Use tweezers to gently remove the metal spring from the plastic hook.
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Flip the sensor bar over and unwind the belt from the gear system.
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Remove the sensor bar from the scanner and replace it with the new one.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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