How to Maintenance Eco Solvent Printer and Solvent Printer

• Q

  1. No power?

  A

  Possible reasons: power is off; whether pressed the emergency stop earlier; power switch is broken; the input voltage is too low。 Solutions: turn on the power; press the entire emergency stop button on the machine; press the power switch for a second time; check the actual input voltage with a multimeter.
• Q

  2. The printhead doesn’t jet ink?

  A

  Possible reasons: Printhead ink tube has air inside; sub ink tank doesn’t have ink; too high negative pressure; data cable does not connect to the operation board correctly; Head controlling board has flaw; broken power board; problem with amplitude’s settings and bad printhead. Solutions: use syringe remove the air, afterwards sucking the ink out from the extended tube. Check whether sub ink tank and level sensor are all right, reconnect the data cable correctly, and change the printhead controlling board. Change the power board. Examine the amplitude’s settings. Confirm whether all the channels for the screen display are all right and change the printhead.
• Q

  3. Some nozzles don’t jet ink

  A

  Possible reasons: print head is not clean; printhead tube has air inside; bad printhead; too high negative pressure. Solutions: clean the print head with the auto cleaning system; Sucking out the ink with the extended tube, use syringe remove the air afterwards; change the print head; reset the negative pressure.
• Q

  4. How can I do when the negative pressure doesn’t reach the right level?

  A

  Possible reasons: ink protection tank (sub ink tank) filled with ink; negative pressure ink tank filled with ink; broken pressure meter; ink tube has holes; defective air pressure regulator. Solutions: remove the ink inside ink protection tank; remove the ink inside negative pressure ink tank; change the pressure meter; examine whether there are some holes on the ink tubes; change the air pressure regulator
• Q

  5. Ink supply controlling board keeps buzzing.

  A

  Possible reasons: Cartridge doesn’t have enough ink Solutions: check whether there is enough ink in the cartridge
• Q

  6. Printhead carriage touched the print media while printing

  A

  Possible reasons: Printhead carriage stays too close to the printing material; vacuum pump is off; vacuum tube’s setting is not compatible with the print media. Solutions: Readjust the distance between the carriage and printing material to 1.0~2.0mm, turn on the switch of vacuum pump; make the vacuum pump value to 25%，50%，75% & 100% according to each type of media choice.