HP-30b - dead key - repair

[pito]

(06-17-2014 07:27 PM)Marcus von Cube Wrote:  You should as well have a look at the overlay. If the label sheet is to close to the cutout the key cannot move freely.

Nope, in opposite, the key moves too freely.. So a collapsed dome (if any) or the key jumped off of a kind of plastic "bearing"/suspension (if any), or the bearing broke. Knowing how it is arranged would help..