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Microtek ScanMaker 5900 Stepper Motor Replacement

Introduction

This guide will show you how to replace the scanners stepper motor.

What you need

  1. Microtek ScanMaker 5900 Stepper Motor Replacement, Remove serial port connection: step 1, image 1 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Remove serial port connection: step 1, image 2 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Remove serial port connection: step 1, image 3 of 3

    • Loosen the screws on the serial port by turning them counter clockwise by hand.

    • After loosening the screws, pull the serial port out.

    Edit

  2. Microtek ScanMaker 5900 Stepper Motor Replacement, Remove Lid: step 2, image 1 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Remove Lid: step 2, image 2 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Remove Lid: step 2, image 3 of 3

    • Lift lid to its vertical position.

    • Pull lid straight up to remove it from the scanner.

    Edit

  3. Microtek ScanMaker 5900 Stepper Motor Replacement, Detach plastic latches: step 3, image 1 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Detach plastic latches: step 3, image 2 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Detach plastic latches: step 3, image 3 of 3

    • Push the plastic opening tools into the crack between the top and the bottom of the chassis.

    Edit

  5. Microtek ScanMaker 5900 Stepper Motor Replacement, Continue latch detachment: step 4, image 1 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Continue latch detachment: step 4, image 2 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Continue latch detachment: step 4, image 3 of 3

    • 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.

    • Go all the way along the chassis until you can lift the upper lid.

    Edit

  6. Microtek ScanMaker 5900 Stepper Motor Replacement, Fully remove the upper lid: step 5, image 1 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Fully remove the upper lid: step 5, image 2 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement, Fully remove the upper lid: step 5, image 3 of 3

    • Do not fully remove the lid until you remove the ribbon cable attached to the front of the upper lid.

    • Do this by grabbing the upper lid from the sides and rotating it ninety degrees so it is perpendicular to the bottom lid.

    • Grab the ribbon cable and gently pull it out of its slot with your fingers.

    • The upper lid can now safely be removed from the bottom lid.

    Edit

  7. Microtek ScanMaker 5900 Stepper Motor Replacement, Stepper Motor: step 6, image 1 of 2 Microtek ScanMaker 5900 Stepper Motor Replacement, Stepper Motor: step 6, image 2 of 2

    • Locate the stepper motor. With the front of the scanner facing you, the motor is located at the top left.

    • Disconnect the white connector from the vertical standing circuit board.

    Edit

  8. Microtek ScanMaker 5900 Stepper Motor Replacement: step 7, image 1 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement: step 7, image 2 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement: step 7, image 3 of 3

    • Using a #2 Philips Screwdriver, unscrew the two 7.7mm screws holding the stepper motor in place.

    • The stepper motor will become loose, but not completely free.

    Edit

  9. Microtek ScanMaker 5900 Stepper Motor Replacement: step 8, image 1 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement: step 8, image 2 of 3 Microtek ScanMaker 5900 Stepper Motor Replacement: step 8, image 3 of 3

    • Using tweezers gently remove the tread from the black gear on the stepper motor.

    • The stepper motor will become completely free.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

One other person completed this guide.

Author

with 3 other contributors

Steven Shaginyan

Member since: 10/12/11

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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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22 Guides authored

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