As a precision equipment, the most important accessory of UV printer is the nozzle. The nozzle belongs to a high-precision and high-cost configuration, accounting for about 30% of the cost of UV printer. What operation behavior will hurt the nozzle of UV printer?

1. Change different brands of ink at will, or use different types of ink at the same time, or use cheap and substandard ink or cleaning fluid;

2. Install or disassemble the circuit of UV flat-panel printer without turning off the power switch and cutting off the main power supply;

3. Vigorously clean the nozzle;

4. Use ultrasonic cleaning machine to clean bite head for a long time;

5. Do not pay attention to the safety of ground wire equipment;

6. Immerse the nozzle in the cleaning solution;

7. Clean the nozzle with self-contained products without quality inspection;

8. When cleaning, do not pay attention to protecting the circuit board and other internal systems.