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Disassembling Microtek ScanMaker 5900 Motor Tread

Introduction

This guide will show you how to replace a motor tread.

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  1. Disassembling Microtek ScanMaker 5900 Motor Tread, Remove serial port connection: étape 1, image 1 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Remove serial port connection: étape 1, image 2 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Remove serial port connection: étape 1, image 3 de 3

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

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

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  2. Disassembling Microtek ScanMaker 5900 Motor Tread, Remove Lid: étape 2, image 1 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Remove Lid: étape 2, image 2 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Remove Lid: étape 2, image 3 de 3

    • Lift lid to its vertical position.

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

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  3. Disassembling Microtek ScanMaker 5900 Motor Tread, Detach plastic latches: étape 3, image 1 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Detach plastic latches: étape 3, image 2 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Detach plastic latches: étape 3, image 3 de 3

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

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  4. Disassembling Microtek ScanMaker 5900 Motor Tread, Continue latch detachment: étape 4, image 1 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Continue latch detachment: étape 4, image 2 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Continue latch detachment: étape 4, image 3 de 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.

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  6. Disassembling Microtek ScanMaker 5900 Motor Tread, Fully remove the upper lid: étape 5, image 1 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Fully remove the upper lid: étape 5, image 2 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread, Fully remove the upper lid: étape 5, image 3 de 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.

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  7. Disassembling Microtek ScanMaker 5900 Motor Tread, Stepper Motor: étape 6, image 1 de 2 Disassembling Microtek ScanMaker 5900 Motor Tread, Stepper Motor: étape 6, image 2 de 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.

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  8. Disassembling Microtek ScanMaker 5900 Motor Tread: étape 7, image 1 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread: étape 7, image 2 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread: étape 7, image 3 de 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.

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  9. Disassembling Microtek ScanMaker 5900 Motor Tread: étape 8, image 1 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread: étape 8, image 2 de 3 Disassembling Microtek ScanMaker 5900 Motor Tread: étape 8, image 3 de 3

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

    • The stepper motor will become completely free.

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  10. Disassembling Microtek ScanMaker 5900 Motor Tread, Motor Tread: étape 9, image 1 de 2 Disassembling Microtek ScanMaker 5900 Motor Tread, Motor Tread: étape 9, image 2 de 2

    • Facing the front of the scanner you will see a white plastic wheel holding the other end of the tread.

    • Pull the spring towards you until it snaps off the side wall releasing the tension in the spring.

    • Using a #2 Philips Screwdriver, unscrew the single 5.88mm screw holding the mount of the plastic wheel in place.

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  11. Disassembling Microtek ScanMaker 5900 Motor Tread: étape 10, image 1 de 1

    • The plastic wheel and it's mount will be loose.

    • Remove the shaft holding the plastic wheel and the mount together

    • The tread will be completely loose.

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Conclusion

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

Auteur

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Steven Shaginyan

Membre depuis le 10/12/11

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4 tutoriels rédigés

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Équipe

Cal Poly, Team 6-9, Regan Fall 2011 Membre de l'équipe Cal Poly, Team 6-9, Regan Fall 2011

CPSU-REGAN-F11S6G9

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22 tutoriels rédigés

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