Roland VersaUV LEJ-640 Service Notes page 106

Apply a proper quantity of grease (P/# : 21675102 GREASE,
16
FLOIL GE-676 BLACK 10ML) between Drive Gear and Motor
Gear.
Connect the connector of the motor cable.
17
Fix the panel.
18
Perform the SERVO LOCK CHECK.
19
After turning on the Main Power SW, turn on the Sub Power
SW while pressing the Left, Right and Down keys to enter
the Service Mode.
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