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1 - DDS backside with closed slider

There are 4 screws that hold the cartridge together.

The two lower arrows indicate where the two normally exposed screws are located.

The two upper arrows indicate the slider locking pins.

Remove the sticker label from the side of the cartridge, if there is one. This label would hold the two cartridge halfs together.

Remove the two exposed screws

Press the slider pins in, and move the slider down

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2 - DDS backside with open slider

With the slider down, you should see the other two screws, as indicated by the arrows.

Remove the two remaining screws

Turn the DDS upside right with the backside on the table

CAREFULLY lift the top half cartridge off from the bottom half. Inside are loose parts like springs and the Write Tab.

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3 - DDS inside-top

Note the location of the springs in the top, indicated by the arrows

Be carefull not to separate the flip-open door from the top cartridge

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4 - DDS Internal view

The spring-action white bar slides forward to unlock the reels, and back to catch the gears on the reels, locking them from turning.

Take care not to touch the tape with your fingers, if possible.

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5 - DDS Write Tab

The Write Tab easily falls out. Nothing holds it in place.

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6 - DDS Write Tab in proper position

Place the Write Tab back into position

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7 - DDS Unlocking mechanism

Note how the lock works. When the flip-open door is raised, the door ends rotate, catching the white bar arms, pulling the bar forward, which unlock the reels.

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