Features: 1Scope of Application: The print head is applicable for L801 L800 L805 L801 TX650 R290 T50 R330 printers and the shape and size can fit your printer well. 2ABS Material: This black print head adopts premium ABS material which is wear resistant rust proof fadeless. So the print head can be used for a long time. 3Stable Performance: The function of the printhead are fully tested after production and before delivery to ensure the stability and reliability of its performance. 4Easy to Install: This ABS printhead can perfectly replace the original old or damaged printheads. And the ABS printhead is easy to install and easy to apply. 5Lightweight and Portable: The replaceable print head is light in weight and small in size which is easy to carry and store and can meet the need of replacement. Specification: Item Type: Print headMaterial: ABSWeight: Approx. 101g/3.6ozApplicablel: Fit for L801 L800 L805 L801 TX650 R290 T50 R330 Package List: 1 xPrint Head Note: 1. The printhead may have some protective liquid to give protection to accessories which is normal.2. Solution to Incompatibility: Reset the printer please follow the steps below to reset the printing device. Turn on the printer (if not already turned on). Continue the operation after the printer is completely stationary. After starting the printer disconnect the power cord on the back of the printer. Unplug the power cord plug from the wall socket. Wait at least 60 seconds. Plug the power cord plug back into the wall socket.3. It is recommended to plug the printer power cord directly into the wall socket. Reconnect the power cord to the back of the printer. Turn on the printer (if it has not been turned on automatically). The printer may need to warm up for some time. The printer indicator may flash and the pen holder may move. Wait for the printer to warm up and stop completely before performing the operation. If the above method cannot solve the compatibility problem you need to replace the original inkcartridge and ink.