HP LASERJET M604 M605 M606 PRINTER FUSER ERROR | 50.2F FUSER ERROR

50 FUSER ERROR 
50.10 Fuser Error 
Reduced temperature thermistor 2.

50.11 Fuser Error
High-temperature thermistor 2.

50.12 Fuser Error
Fuser pressure release mechanism failure.

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50.2   Fuser Error
50.2F Fuser Error
Fuser warm-up failure.  Fuser failed to reach the specified temperature in a certain amount of time.

50.3   Fuser Error
50.3F Fuser Error
Low-temperature Issue – Fuser failed to reach an optimum temperature to bond toner to the paper.

50.4  Fuser Error
50.4F Fuser Error
High-temperature Issue – Fuser exceeded specified temperature.

50.6 Fuser Error
Drive circuit fault.

50.7 Fuser Error
Fuser Pressure release failure.

50.9X.YZ Fuser Error
Low fuser temp 2 

Remedy:
1.  Verify printer electrical cable is connected directly into the wall outlet.  No surge protector or power stripe in use. 
If the error persists, proceed to the next step

2.  Power off the printer and unplug the printer from the electrical wall outlet.  Wait 30 seconds, Reconnect the electrical cable to the electrical wall outlet.  Power on the printer.
If the error persists, proceed to the next step

3.  Reseat Fuser Assembly
If the error persists, proceed to the next step

4.  Replace Fuser Assembly
If the error persists, proceed to the next step.