Roland VersaCamm SP-540V Service Notes page 127

Cap the HEADs by moving the CAPPING UNIT with
4
[ ] and [ ] keys.
4
Make sure the HEADs are capped correctly.
If the WHITE GUIDEs of the CAPPING UNIT come
inside from the BLACK GUIDEs of the HEAD
CARRIAGE at either side, the capping position is not
OK. Proceed to the next step.
If the capping position is OK, press [ENTER] and
proceed to 12 .
5 Remove the PUMP COVER.
Unlock the carriage, and move the carriage out of the
6
CAPPING UNIT leftward by hand.
BLACK
GUIDE
OK
WHITE
GUIDE
PUMP COVER
4-30
OK
NG
NG