Ink Drop State Check Method - Hitachi UX Twin-Nozzle Technical Manual

6.11 Ink drop state check method

● The state of the ink drops can be checked by using a magnifying glass.
● Perform this work in the Eject ink state.
● Wear protective gear (goggles and mask).
● If the ink or makeup gets in your eyes or mouth, immediately rinse with warm water
and consult a doctor.
● Perform work after confirming that there is no one in the ink ejection direction.
(Perform this work by inserting the print head tip into a beaker, etc.)
Confirm that the IJ printer is in the Standby state and then remove the print
1
head cover.
Using a magnifying glass, observe the ink drops in the charging electrode.
2
Deflection electrode 1
●
Don't stare at the red LED for a long time OR it may adversely affect your eyes.
WARNING
Loosen the screw.
Print head cover
[Nozzle 1 side]
Magnifying glass
Pull out.
[Nozzle 2 side]
Magnifying
glass
CAUTION
Deflection electrode 2
●Ink drop state check method 6-32