Features: 1Applicable: This printer sprayer head is practical that it is applicable for L301 L303 L351 L353 L551 310 L358 ME303 printers. 2Functional Tested: The print head is 100 percents functional tested after completion of production and 100 percents functional tested before delivery. 3Stable Performance: This rust proof printhead has stable performance and high reliability which is suitable for replacing your broken products. 4Colorfast: This black printer accessory head is colorfast light in weight and rust proof which is great replacement for your old printer head. 5Premium ABS Material: The printer accessory head is made of premium ABS material that has durable construction. Specification: Item Type: Printer HeadMaterial: ABS Gross Weight: 52g/1.8ozApplicable: For L301 L303 L351 L353 L551 310 L358 ME303 Package List: 1 xPrinter Head Note: 1. The product is a brand new product there may be some protective liquid it is to protect the accessories which is normal.2. Solution for incompatibility: Reset the printer Follow the steps below to reset the printing device. Turn on the printer if not already turned on. Wait for the printer to come to a complete standstill before continuing. After turning on the printer disconnect the power cord from the back of the printer. Unplug the power cord from the wall outlet. Wait at least 60 seconds. Plug the power cord back into the wall outlet. NOTE: Recommend plugging the printer power cord directly into a wall outlet. Reconnect the power cord to the back of the printer. Turn on the printer if not already turned on automatically. The printer may take a while to warm up. The printer lights might be blinking and the carriage might move. Wait for the printer to warm up and come to a complete standstill before proceeding.3. If the above methods cannot solve the compatibility problem you need to replace the original ink cartridge and ink.