For printers with serial number from: 0010000.
This is an Original Equipment Manufacturer Printhead with One Year Factory Warranty. Brand New, not remanufactured or rebuilt. Part Number: 5541077,O4 OEM Reference Number:5541077.OEM Brand indicates that the printhead will come in a branded box, OEM indicates that it comes in a non-branded box. Both are ORIGINAL MANUFACTURER PARTS.