Roland VersaUV LEJ-640 Service Notes page 272

Loosen the screw shown in the figure and slide the
5
Wiper Cover to the front end by hand.
Careful handling is required, the Wiper
Cover can be deformed easily.
Move the Head Carriage to the position where the 2
6
Heads from the left can be wiped.
Put your finger on the point shown in the figure and
7
slide the Wiper Cover backward until it makes contact
with the Heads.
<Side view>
Keep the Cover at the position and mark a line on the
8
Wiper Cover to the Wiper Unit with a marker pen.
Head
Wiper Cover
4-64
Fully slide
Screw
Wiper Unit
Marking