Features: 1Applicable Model: Printhead is suitable for HHP564 5468 C5388 C6380 D7560 309A C4 printer. Closely fit the original machine hole position. 2Stable Performance: Printhead for HP564 has stable and reliable performance suitable for replacing the broken parts to obtain higher strength. 3ABS Materials: Replacement printhead is made of ABS materials it is lightweight rust resistant fade resistant and durable. 4Fine Workmanship: Adopting exquisite workmanship with high sensitivity and accuracy providing you great using experience. 5Strictly Tested: 100% functional test of the print head after production and 100% functional test before delivery ensure the good operation of the printer. Specification: Item Type: PrintheadMaterial: ABSColor: As Pictures ShownWeight: Approx. 83g / 2.9ozApplication: Suitable forHP564 5468 C5388 C6380 D7560 309A C41 Package List: 1 x Printhead Note: 1.The product is a brand new product and there may be protective liquid attached to it. This is to protect the accessories which is normal.2.Solution for incompatibility: Reset the printer Follow these steps 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: Recommends 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. If the above methods cannot solve the compatibility problem you need to replace the original ink cartridge and ink.