3 Tips To Improve Colors on Your DTF Printer 

Unfortunately, most of the problems with DTF printers are specific to white ink. The problem with this color of ink is complex and has many causes. As you know, the white color does not exist. Therefore, the method of manufacturing this ink is different from the rest of the inks. It has a high density and you cannot use it from anywhere. Without having a stirring tool to distribute its density, however, according to our experiences, problems with white ink covering the printed material have several causes, I will list them according to the degree to which they occur to customers: 1- Check the print head nozzles if all of them are open, and if some of them are closed, you may sometimes have to manually clean the head. 2- Put the head cleaning material on the print head cap daily. After you finish working on the printer, do the head cleaning process the next day before printing. 3- Make sure you have a pump to move the ink in order to distribute its density. 4- Change the ink quality if you are using inks different from those of the manufacturer.

Me too. How do you fix it?

@@nguyenvudang0202 i found out it is the firmware that needed changing and also need maintool app to actually be used instead.

Your red might be missing... try a nozzle test or wash... its the red