Roland VersaUV LEJ-640 Service Notes page 191

Remove the 2 screws to remove the Paper Side Sensor
9
together with the unit.
Support the Unit when you remove it to keep the
unit from falling.
Remove the screw to remove the Paper Side Sensor from
10
the unit.
Fix the new Paper Side Sensor to the unit.
Fix the new Paper Side Sensor and Media Thickness
11
Checking Sensor to the unit using a insulock.
The knot of the insulock sholud be back of the
Stay.
Fix the unit with 2 screws temporality.
12
Paper Side Sensor
3-117