Samsung XE700T1A-A04US - Manual (Page 26)

26 Using the Touch Feature
Using the digitizer pen
Replacing the pen tip
If the pen tip is damaged, you can replace the pen tip as follows:
1 Hold the pen tip by inserting it into the hole of the ring and
remove the tip by pulling it out.
2 Insert the new pen tip into the digitizer pen.
Take care so that the pen tip does not spring out when taking
it out.