GENUINE HP LASERJET 4100 BOARD - Interface - HP JetDirect 620n Internal Print Server - 10 Base T and 100 BaseTX LAN Interface Board - Plugs Into Peripheral EIO Slot Has an RJ-45 Connector - Should Only be Replaced by Trained Service Personnel - Non Returnable - Non Refundable - Genuine HP Board
Mfr Part #: J7934-61011, J7934-61001, J7934A, J7934G