HP Color Laserjet 2605 error code description
not properly installed.
50.1 Fuser Error - low temperature
50.2 Fuser Error - high temperature
50.3 Fuser Error - slow temperature
51.20/1/2/3 Error - Scanner Error
55.1 Error - Error DC controller error. The device has
experienced an internal hardware error
57 Fan Error - The device has experienced a problem with
its internal fan.

