80 Print Head 100% compatible with the following printers: HP DesignJet 1050c HP DesignJet 1050c Plus HP DesignJet 1055C HP DesignJet 1055cm HP DesignJet 1055cm Plus content (Compatible) : 1xHP 80 Black Printhead 1. Remove the orange protective cover, tear off the yellow label and blue tape. 2.Power off your printer, install the printhead properly according to the color prompt on the machine then power on. 3.Some printer models indicate“Non-Genuine/Defective” ”Expiration/Align Failure” or other error messages that has nothing to do with of the quality , please click “OK” or “confirm” to continue. Precautions 1.Avoid touching the nozzle and circuit to prevent the electronic components from damaged. 2.Often to check whether the ink cartridges have sufficient ink, if not, please add them in time, avoid damaging the nozzle. 3.Printer should be used very often to avoid the nozzle being blocked. 4.Printheads and ink cartridges should not be removed frequently or not being in-stalled for a long time, these will affects the print effects or damaged the nozzle. 5.If there prompts up a message “printhead failure” or the printhead light flashing, try to remove the related printhead and wipe the circuit contact with eraser gently and then install it again. 6.If the printhing effect is not good, please do the printhead cleaning function.
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