HP Color LaserJet 2820/2830/2840 All-In-One - User Guide
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...error. 54.2, 55.1, 59.16, 59.192, 59.4, 59.99 Errors The device has experienced an internal hardware error. 57 Fan Error Turn off then on The device has experienced a problem with its internal fan. 79 Error Turn off then on . If a surge protector is being used , remove it . If the error persists, contact HP... directly into the wall socket. If you have recently installed a memory DIMM in the device, turn the device on. If the error persists, contact HP Customer Care. See Service and support or the support flyer that it . Use the power switch to verify that came in the ...
...error. 54.2, 55.1, 59.16, 59.192, 59.4, 59.99 Errors The device has experienced an internal hardware error. 57 Fan Error Turn off then on The device has experienced a problem with its internal fan. 79 Error Turn off then on . If a surge protector is being used , remove it . If the error persists, contact HP... directly into the wall socket. If you have recently installed a memory DIMM in the device, turn the device on. If the error persists, contact HP Customer Care. See Service and support or the support flyer that it . Use the power switch to verify that came in the ...