When the printer is spraying, the ink of the printer is charged. After charging, the ink droplets with different electric quantities are deflected under the action of a high-voltage electric field force, and the required code content is formed by the movement of the product. In order to ensure good charging of the ink droplets, the printer has a circuit for detecting charging, called phase detection. If the ink droplets are not well charged, the charging ink dot detection fault is reported.
What are the reasons for charging ink dot detection failure?
一、The ink droplets are not well split, the modulation voltage is unqualified, the ink viscosity is abnormal, the pressure is not suitable, or the crystal rod may be damaged, but the probability of damage to the crystal rod is relatively small.
二、The ink deteriorates, the ink expires, and water in the ink affects charging or precipitation in the ink.
三、There is a problem with the charging circuit, the phase detecting circuit, the charging slot is dirty, and the ink is stuck; the loss of the charging slot is also possible.
Knowing the cause of the charge dot detection failure, the solution will be solved.
一、Looking at the split is if the split does not properly adjust the modulation voltage and observe the change until it is appropriate.
二、Check the sanitary condition of the charging slot of the printer. The charging slot must be cleaned.
三、Check if the ink has expired; check if there is a gap between the set value of the ink viscosity and the current value to determine the viscosity of the ink. The most direct and fastest way is to change the ink.
Tip: inkjet ink viscosity
Ink viscosity, ink viscosity refers to the viscosity of the ink, not the concentration. The small character inkjet printer has high requirements on the viscosity of the ink. The viscosity, concentration and temperature have a certain relationship. The higher the concentration temperature, the higher the viscosity, and the higher the viscosity, the higher the viscosity. Therefore, the printer should set different ink viscosity values at different temperatures. If the current viscosity is far from the current set value, the inkjet printing effect of the printer is not good, and the ink viscosity is reported to be faulty.
Article by: Foshan inkjet printer Yucheng Packaging Equipment Co., Ltd. provides the arrangement, this view does not represent the viewpoint of this site
