Toshiba Tecra M3 - Manual (Page 73)

User’s Manual 4-3
Operating Basics
Replacing the cap
The AccuPoint cap is an expendable item that should be replaced after
prolonged use. One spare AccuPoint cap is supplied with the computer.
1. To remove the AccuPoint cap, firmly pinch the cap and pull it straight
up.
Removing the AccuPoint cap
2. Position a new cap on the peg and press it into place.
The peg is square, so be careful to align the cap’s square hole with the
peg.