Features: 1Applicable Model: Printer printhead is suitable for iB4080 iB4180 MB5080 MB5180 MB5480. Closely fit the original machine hole position. 2High Reliability: Print head has stable and reliable performance suitable for replacing your broken or damaged parts to obtain higher strength. 3Product Materials: Print head is made of ABS materials it is lightweight rust resistant fade resistant and durable. 4Good Workmanship: Exquisite workmanship beautiful appearance design providing you great using experience. 5Guaranteed Quality: 100% functional test after completion of production. 100% functional test before delivery. The quality is guaranteed. Specification: Item Type: Print HeadMaterial: ABSColor: As Pictures ShownWeight: Approx. 128g / 4.5ozApplication: Suitable for iB4080 iB4180 MB5080 MB5180 MB5480 Package List: 1 x PrintHead Note: 1.The product is a brand new product there may be some protective liquid it is to protect the accessories it is normal2.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: It recommends that the printer power cord be plugged directly into the wall outlet. Reconnect the power cord to the back of the printer. Turn on the printer (if it is not already on automatically). The printer may need to warm up for a period of time. The printer light may flash and the pen holder may move. Wait until the printer has finished warming up and is completely stationary before proceeding. If the above does not solve the compatibility problem you will need to replace the original cartridge and ink.