Sensor Map - Roland VersaUV LEJ-640 Service Notes

5-2 SENSOR MAP

REAR PAPER SENSOR
It detects the rear edge of the media and also
whether the media is loaded or not.
FRONT PAPER SENSOR
It detects the front edge of the media.
(Left side of the machine)
SHEET LOAD SENSOR
It detects whether the Sheet Loading Lever is
UP or DOWN.
(Right side of the machine)
(Front side of the machine)
FRONT SENSOR
It detects whether the Front Cover
is opened or closed.
MAINTENANCE COVER SENSOR
It detects whether the Maintenance Cover
is set or not.
FEED ENCODER MODULE
It detects the rotation position of the
Grit Roller.
5-3
HEAD LOCK SENSOR
It detects wheter the HEAD
CARRIAGE is at locking position
or not.
IS COVER SENSOR
It detects whether the IS Cover is
opened or closed.
AMBIENCE THERMISTOR
It measures the temperature of the
ambiente air.