Feature 1: ABS Materials - The print head is made of high-quality ABS materials, lightweight, rust-resistant, fade-resistant, and durable. Feature 2: Stable Performance - The print head replacement offers stable performance and high reliability, suitable for replacing broken units. Feature 3: Applicable Model - Compatible with R260, R390, 1390, L1800, 1400, 1430, and 1500W printers. Feature 4: Guaranteed Quality - Each unit undergoes a 100% functional test after production and before delivery to ensure quality. Feature 5: Good Workmanship - Features exquisite craftsmanship and an attractive design for a great user experience. Item Type: Print Head Material: ABS Color: As shown in pictures Weight: Approx. 95g / 3.4oz Application: For R260, R390, 1390, L1800, 1400, 1430, 1500W printers Package List: 1 x Print Head Note: 1. Soft clog repair: - Soft clogs are caused by increased ink viscosity at the nozzle, sometimes only adhering to the nozzle surface. - Can often be cleared by soaking in original ink and cleaning multiple times. - Use the print head cleaning function in the printer driver’s utility tool. 2. Hard clog repair: - Immersion method (for light clogs): - Use a metal container with a smooth bottom. - Add 95% organic solvent alcohol to cover the stainless steel edge of the print head, avoiding contact with the PCB board. - Soak for 2 hours to 4 days. - Pressure cleaning method (for severe clogs): - Use a plastic tube or needle from a disposable infusion set to connect a syringe to the ink supply port (ensure tight connection). - Place the print head nozzle in 95% organic solvent alcohol and gently draw alcohol through the nozzle into the syringe (inhalation only). - Repeat several times. This method generally clears most clogs. - Apply even pressure to avoid damage. - Requires manual setup and may need assistance from a technician or someone with hands-on experience. - Properly made tools can be reused long-term. This product is compatible with designated printer models.