Features: 1Scope of Application: Color print head has exquisite craftsmanship, suitable for R260 R390 1390 1410 1400 1430 1500W. 2PCB and ABS Materials: Printhead replacement is made of high quality PCB and ABS materials, which are wear resistant, safe and durable, and have a long service life. 3Perfect Replacement: The print head is a perfect substitute for the old print head. It is very convenient to use and is the best choice for your original accessories. 4Strict Testing: Printhead has been tested under good working conditions, making you feel more at ease when using it. 5Lightweight and Portable: Printhead replacement is light in weight, small in size, compact in structure, convenient and quick to use, and stable in performance. Item Type: Printhead Material: PCB, ABS Application: For R260 R390 1390 1410 1400 1430 1500W Causes and treatment methods of nozzle blockage: 1. The so-called soft blockage is due to various reasons (such as impurities in the ink, and poor filtration ink quality problems, etc.), resulting in a disconnection failure caused by the viscosity of the ink on the print head increasing the print head has not returned to the protection The new ink cartridge is not installed in the hood or in time, which causes the print head to be exposed to the air for too long and become dry and blocked. This problem can be solved by cleaning it manually or with software one or two times in a row. Soak in the car wash tank for 8 hours, so as to clean, it can save ink and the effect is good. 2. Hard blockage: there is chemical coagulation in the print head (the ink is too acidic and the plastic material of the shell causes solidification, crystals, etc.) or impurities cause blockage this problem can be cleaned with strong nozzle cleaning fluid or The print head is removed from the printer and cleaned with a syringe the nozzle of the removed print head can also be used (note: the circuit board cannot be allowed to enter the liquid). Immerse in absolute alcohol or hot water for several hours. 1 x Printhead