Roland VersaUV LEJ-640 Service Notes page 91

Unhook the Cap Frame by holding it with the other hand, and
9
remove it.
Make sure to hold the Cap Frame. There is a Spring
under the Cap Top. The Cap Top will jump out unless
you hold the cap frame when removing it.
Remove the Cap Top together with the tube.
10
Fix the new Cap Top. Fix it so that the tube side faces the front.
11
Note the following.
1. Do not touch the tip of rubber.
2. The Spring is properly fixed under the Cap
Top.
3. Do not bend the tubes.
Fix the Cap Frame.
12
Cap Frame
Hook
Cap Frame
3-17
Cap Top
Cap Top