During the use of wide-format advertising printers, the problem of color crossover is undoubtedly a headache. So, do you know how to effectively prevent color crossover in photo printers? Next, let's take a deeper look together.

1. The ink sac problem cannot be ignored

Once the ink sac of a wide-format advertising printer is damaged or leaking, or the ink tube has the same problem, air will be mixed into the ink supply system, which will generate negative pressure, causing ink reflux, and ultimately causing color mixing and mottled color phenomena. In this case, it is wise to replace the ink sac in time.

2. The ink stack and scraper need to be checked regularly

If the printhead scraper of the wide-format advertising printer is aged, or the ink stack's ink absorption function is weakened, and the ink stack cap is used for too long, it may cause mottled colors. At this time, it is particularly important to clean the scraper, replace the nozzle scraper and ink stack.

3. Pay attention to the negative pressure of the ink supply system

When a wide-format advertising printer prints, ink crossover often occurs, which is often related to the negative pressure of the ink supply system. Therefore, regularly checking the relevant pipelines, one-way valve switches, etc. of the ink supply system to ensure that there are no problems such as ink reflux is the key to preventing color cross-talk.