Photo machine four nozzles are out of ink

2. The most common cause is the failure of one of the four nozzles, which affects the other nozzles, resulting in no ink in the four nozzles. The solution is to use a nozzle-sized piece of paper to isolate any three of the nozzles from the contact strips. However, when the cleaning test is performed, the bad nozzles that are not inked are measured and replaced.

3, damage to the car plate, replace it with a new car plate.