HP Color LaserJet 4730 HP Color LaserJet 4730mfp - User Guide - Page 271
USB ACCESSORY, ERROR, For help press, PRINTER ERROR, To continue, turn off then on, X FUSER ERROR
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Control panel message 44.1 USB ACCESSORY ERROR For help press 49.XXXX PRINTER ERROR To continue turn off then on 50.X FUSER ERROR To continue turn off then on 50.X FUSER ERROR For help press 51.2Y PRINTER ERROR For help press alternates with 51.2Y PRINTER ERROR To continue turn off then on 51.XY PRINTER ERROR alternates with ENWW Description Recommended action This message appears when a connected USB accessory draws too much power. When this happens, the ACC port is disabled and printing stops. Use the scroll bar to step through the instructions. A critical firmware error has occurred. 1. Turn the MFP off then on. 2. If the message persists, contact HP Support at http://www.hp.com/ support/clj4730mfp. A fuser error has occurred. Turn the MFP off then on. A fuser error has occurred. 1. Turn the MFP off then on. The error might be due to an inadequate power supply, inadequate line voltage, or a problem with the fuser. 2. If the message persists, contact HP Support at http://www.hp.com/ support/clj4730mfp. The following are specific fuser errors: 50.1: A low fuser temperature error has occurred in the main thermistor. 50.2: A fuser warm-up service error has occurred. 50.1: A low fuser temperature error has occurred in the main thermistor. 50.6: An open fuser error has occurred. 50.7: A fuser pressure release mechanism has failed. 50.8: A low fuser pressure temperature has occurred in the sub thermistor. 50.9: A high fuser pressure temperature has occurred in the sub thermistor. Either a laser beam detects an error, or a laser error has occurred. The values of Y are: Y Description 1. Turn the MFP off then on. 2. If the problem persists, contact HP Support at http://www.hp.com/ support/clj4730mfp. 0 - Black 1 - Cyan 2 - Magenta 3 - Yellow A fuser error has occurred. To continue printing, turn the MFP off then on. Control panel messages 251