MIMAKI UJF-3042 Maintenance Manual page 10

Maintenance Manual > Operating Principle > Basic Operation > Work Area Sensor
Model UJF-3042/FX Issued 2010.08.27 Revised 2011.09.30 F/W ver
1.1.3 Work Area Sensor
 Outline
This sensor is set to prevent the head from being damaged. It detects the work coming out or warpage etc. on the table
to stop the operation before the head hits that part.
 Figure of constitution
Sensor for receiving light
Basic head gap: 1.5mm
 Operating Principle
1 The light axis of the obstacle sensor is set below 0.5mm from the bottom surface of the nozzle.
2 When LED light of the sensor (visible light) is shaded by the obstacle, the operation is terminated.
3 Before the printing operation, checks whether there is no obstacle by moving the Y-Bar back and forth with the
head being stored in the station.
© 2011 MIMAKI ENGINEERING CO.,LTD.
1.80 / 1.00 Remark
STOP!
Head
Table
Light axis position
Below 0.5mm from the bottom
surface of the head
Sensor for floodlighting
1.1.3 R.2.0
Rev.
2.0
1
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5
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P.1