Ricoh V-C3 Technical Training Manual page 57

! If you send PCUs to the factory or warehouse, use these
caps to prevent toner from spilling out.
! There is one cap for each PCU. It goes over the toner
supply port (see the next slide).
! These caps are needed when you replace developer. They
plug the toner supply ports when you take the PCU out of
the machine. This prevents toner from spilling out.
Slide 57
No additional notes
Accessories Kit
" They are not used during installation.
57
V-C3 Training