I use a Logitech Trackman Marble pointing device.  I've also used and
experienced the same problems w/ a Logitech Trackman Vista pointing
device.

The problem is the trackballs get sticky - so I take them apart and
clean them using electronic-grade alcohol.  This seems to leave the ball
and the rubber disks on the x and y axis too dry causing the trackball
to still be sticky - this time not because there's gunk in there but
because there's too much traction or grip.  Another problem is there's
slop in the ball for one of the pointing devices.  So moving it around
w/ this play coupled w/ the sticking problems is really making for a
pretty miserable experience when trying to make any precise movements.

I do make sure to align the rubber disks on the x and y axis at the apex
of the ball curve.  This helps some as it seems they have a tendency to
shift w/ use - but the problem w/ sticking persists.

I really prefer a trackball but it's looking like I'm gonna have to
revert back to using a mouse if I can't get this resolved.  Should I be
using a different type of solvent to clean the trackballs with?  Do you
have any other suggestions?


TIA
Joan Rapier

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