uv printer daily faults and solutions

White and color alignment deviation

The white or color calibration is inaccurate, and the height of the nozzle base plate from the medium is too high.

The white pattern pixel shrinks, and the white printhead prints and calibrates, reducing the white ink temperature and increasing the printhead voltage.

UV ink adhesion is poor

Alcohol wipes the surface of the material, and special materials need to wipe the coating solution to improve the curing power of the LED lamp.

Ink flies on the edges of the pattern

Eliminate static electricity on material surface, adjust nozzle voltage.

Confirm whether the calibration parameters (step, Y-direction deviation, etc.) are appropriate, re-plug the USB ports on the board and computer of the machine, turn off the software, power on the machine again, and then open the software.

Select the correct printing parameters (single and bidirectional, etc.), confirm whether the parameter values of horizontal calibration are appropriate, check whether the height between the printhead and the medium is too high, and re-measure the X-axis motion coefficient.

Select the correct RIP parameters (input ICC, output ICC, number of passes, resolution, etc.) and check the printing parameters (speed, unidirectional and bidirectional, number of passes, illumination mode, white ink parameters, etc.).

If the ink cartridge is out of ink, you need to add new ink, press the ink with the nozzle and wipe it with a non-woven fabric, and adjust the negative pressure value.

Adjust the negative pressure, wipe the nozzle with a non-woven cloth after pressing the ink to remove the air, and replace the filter with a new one.

Turn on the UV lamp control switch, and if the indicator light is not on, replace the relay.

When the machine is initialized, the software reports the error "Unable to return to the initial position"

Check whether the terminals at the connection between the driver and the motor are in good contact close the software first, then the machine is powered off, move the manual trolley to the middle of the beam, the machine is powered on again, and then open the software.

Replug the USB cables from the motherboard and the computer, replace a USB port on the computer, and reconnect it.