During the maintenance process, there are many problems in the pump accessories of C20, C40, and C41, which are often found, which are small, but will directly affect the printing effect.
Fault Analysis: The problem is the positioning slot of the pump attachment of C20, which is a angle of about 120 degrees. For various reasons, it has increased its resistance, resulting in an abnormal sound in the cleaning process, and it is easy to card the printhead Make the spray head prints the disconnection.
Workaround: It is best to cut the angle with the blade and add G-12 (oil) to lubricate it.
