Colors Are Unstable or Uneven

Did you shake the ink cartridges before installing them?

Shake new ink cartridges 50 times (about 20 seconds) with a stroke length of around 5 cm (1.97 in.) horizontally in each direction when shaking before you install them.

For white ink, before starting the day's work, remove the ink cartridge and shake it 50 times (about 20 seconds) with a stroke length of around 5 cm (1.97 in.) horizontally in each direction before inserting it again.

BN-20A_Mainten_shake_cartridge

Are colors still uneven after mixing the ink by shaking the ink cartridges?

If uneven color issues with white ink still occur even after shaking the ink cartridges to mix the ink, perform step 2 of Action Taken When Uneven Color Issues Occur (White Ink) and subsequent steps.

Are the operating parameters set to appropriate values?

Depending on the Printing Movement Range, the color may be unstable. If you have changed the setting, try setting to Full Width.

Minimizing Print-head Carriage Movement

Was printing paused partway through?

When printing is paused, the coloring at the seam may be altered when printing resumes. Avoid pausing printing.

Printing may also pause when data is not sent from the computer quickly enough. We recommend not performing any other tasks with the computer while printing is in progress.

Is the printer installed in a level and stable location?

Never install the machine in a location where it is tilted or where it may wobble or experience vibration. Doing so may result in reduced print quality.

Are the irradiation surfaces of the UV-LED device dirty?

If the irradiation surfaces are dirty, this can reduce ink adhesion and the quality of the printed materials. Check the level of dirt and clean at the appropriate times.

UV Lamp Manual Cleaning Method

Are you printing in a location subject to severe changes in the operating environment?

Large fluctuations in temperature or humidity while printing is in progress may cause the colors to change partway through the printing. When printing, use the machine in a location where the temperature and humidity are stable.