Difficulty
Moderate
Steps
10
Time Required
35 - 40 minutes
Sections
2
- Outer Case
- 4 steps
- Belt
- 6 steps
Flags
1
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BackVisioneer OneTouch 7400 USB
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Introduction
What you need
Step 1
Outer Case
- On the bottom of the scanner, remove the screw at the top left side.
On the bottom of the scanner, remove the screw at the top left side.
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Step 2
- Remove the rubber foot pad opposite the screw hole to expose a second screw hole.
- Remove the screw beneath the foot-pad.
Remove the rubber foot pad opposite the screw hole to expose a second screw hole.
Remove the screw beneath the foot-pad.
Step 3
- Rotate the scanner so the screw hole is located on the top left hand side.
- Place the plastic opening tool between the top casement and bottom casement of scanner with the hook facing up.
- Gently pry the two casements apart beginning above the screw hole and working your way around.
- Note that the top and bottom casings are held together by a series of 6 tabs. There is one tab on each of the long sides of the scanner approximately 6 inches in from the corners. There are two tabs on each of the short sides of the scanner approximately 2.3 inches in from the corners. Use the spudger to unhook the tab from the top casement.
Rotate the scanner so the screw hole is located on the top left hand side.
Place the plastic opening tool between the top casement and bottom casement of scanner with the hook facing up.
Gently pry the two casements apart beginning above the screw hole and working your way around.
Note that the top and bottom casings are held together by a series of 6 tabs. There is one tab on each of the long sides of the scanner approximately 6 inches in from the corners. There are two tabs on each of the short sides of the scanner approximately 2.3 inches in from the corners. Use the spudger to unhook the tab from the top casement.
Step 4
- Separate the two casement pieces.
Separate the two casement pieces.
Step 5
Belt
- Remove the screw holding the tension spring in place.
Remove the screw holding the tension spring in place.
Step 6
- Use the plastic opening tool to lift up the tension spring.
- Be careful. The spring will fly.
Use the plastic opening tool to lift up the tension spring.
Be careful. The spring will fly.
Step 7
- Remove the belt from the spool.
- The spool is a loose piece; don’t lose it.
Remove the belt from the spool.
The spool is a loose piece; don’t lose it.
Step 8
- Loosen the belt enough to turn over the sensor bar.
Loosen the belt enough to turn over the sensor bar.
Step 9
- With the sensor bar turned upside down, remove the screw in the middle of the bar.
- Lift off the metal plate if it does not come away with the screw.
With the sensor bar turned upside down, remove the screw in the middle of the bar.
Lift off the metal plate if it does not come away with the screw.
Step 10
- Carefully lift the belt out of the groove in the sensor bar to remove.
Carefully lift the belt out of the groove in the sensor bar to remove.
To reassemble your device, follow these instructions in reverse order.
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Author
with 4 other contributors
Jena
Member since: 10/18/2013
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Team
University of Maine, Team 1-13, Diaz Fall 2013
Member of University of Maine, Team 1-13, Diaz Fall 2013
UMAINE-DIAZ-F13S1G13
3 Members
8 Guides authored