Roland VersaUV LEJ-640 Service Notes page 129

Finish the replacement within 20 minutes. If 20 minutes pass-
es, perform the Medium Cleaning for all heads. Because the
light that slightly entered can harden ink.
Turn off the Main Power SW and pull out the power cord.
1
Remove the Board Cover.
2
CLEANING
CLEANING
MEDIUM
Sub Power SW
< Rear view >
3-55
MEDIUM
AB
< Rear side >
Main Power SW
Board Cover