Key cluster trackball response intermittent

So the guide it self does not show “what to clean”. Only the replacement.

If you’re confident you could clip off the shield that hold the ball in place + the 4 little rollers (that are magnetic, so be aware of that)
The rollers are having 2 parts. 1 magnetic part (black) and the grey ribbed roller part that is actuated by the ball.
That ribbed part i cleaned of all 4 with a microfiber cloth. And one of them (cant remember which of the 4) was really stuffed with gunk (dust and other stuff)

And I learned the hardway that the position of rollers matter… So potentially you can accidentally flip X and Y axis.

Edit: Found This reply that did the same thing.

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