Introduction
This guide will show you how to replace the scanners stepper motor.
What you need
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Loosen the screws on the serial port by turning them counter clockwise by hand.
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After loosening the screws, pull the serial port out.
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Lift lid to its vertical position.
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Pull lid straight up to remove it from the scanner.
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Push the plastic opening tools into the crack between the top and the bottom of the chassis.
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After placing one plastic opening tool into the slit, slide other plastic opening tools along the slit to detach the top from the bottom of the chassis.
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Go all the way along the chassis until you can lift the upper lid.
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Do this by grabbing the upper lid from the sides and rotating it ninety degrees so it is perpendicular to the bottom lid.
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Grab the ribbon cable and gently pull it out of its slot with your fingers.
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The upper lid can now safely be removed from the bottom lid.
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Locate the stepper motor. With the front of the scanner facing you, the motor is located at the top left.
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Disconnect the white connector from the vertical standing circuit board.
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Using a #2 Philips Screwdriver, unscrew the two 7.7mm screws holding the stepper motor in place.
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The stepper motor will become loose, but not completely free.
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Tool used on this step:Tweezers$4.99
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Using tweezers gently remove the tread from the black gear on the stepper motor.
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The stepper motor will become completely free.
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To reassemble your device, follow these instructions in reverse order.
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Team
Cal Poly, Team 6-9, Regan Fall 2011 Member of Cal Poly, Team 6-9, Regan Fall 2011
CPSU-REGAN-F11S6G9
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