HP Color LaserJet 2820/2830/2840 All-In-One - User Guide
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...fuser (see To clear output area jams), and then wait at least 30 seconds, and then turn the device on the power and wait for the device to turn on . Plug the device directly into the wall socket. If the error persists, contact HP Customer Care. If the error persists, contact HP... panel messages 225 If a surge protector is supported. See is not a type that is being used , remove it . Critical error messages Control panel message 50.x Fuser Error 51 Laser Error Description The device has experienced an internal hardware error. Plug the device directly into the wall socket.
...fuser (see To clear output area jams), and then wait at least 30 seconds, and then turn the device on the power and wait for the device to turn on . Plug the device directly into the wall socket. If the error persists, contact HP Customer Care. If the error persists, contact HP... panel messages 225 If a surge protector is supported. See is not a type that is being used , remove it . Critical error messages Control panel message 50.x Fuser Error 51 Laser Error Description The device has experienced an internal hardware error. Plug the device directly into the wall socket.