Ink backflow and triggers the sensor in Safe Tank.
Possible causes:
1. Malfunctioning level sensor
2. Improper operation when disconnecting the ink tube. (Without the
valve turned off or the pressure adjusted to -1.0kPa)
3. Ink filter blockage
1. Shutdown the spray and turn off all the valves.
2. Adjust the pressure to -1.0KPa, and press the Emergency Stop
Button.
3. Uncap the tube at the bottom of the air tank and drain the tank.
4. Open the cover of the air tank and clean it with some flushing.
5. Replace the contaminated tubes.
Be careful with the blade using when disconnecting the tubes
so as not to damage the nipple of the tank. Or this might lead to
air leakage which usually causes the pressure fluctuation.
6. Activate the printer and turn on the valves of the Sub Tanks that
withdraw.
7. Drain the excessive ink of the Sub Tank till the liquid level comes
back to the standard.
The withdrawal would probably occur once more if without
these operations.
8. Adjust the pressure to the normal value and then turn on all the
valves.
One or more sensor in Main Tank detect ink shortage
1. Check the level sensor assembled in the main tank.
2. Refill the main tank with ink
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