Konica-Minolta bizhub C350

Error Code:

Code: C0521
Description: Fusing Pressure Roller abnormally high temperature
• A temperature of 190 °C or more of the Fusing Pressure Roller is detected for 1 sec. or more before the start of the heater temperature control. • A temperature of 215 °C or more of the Fusing Pressure Roller is detected for 1 sec. or more after the start of the heater temperature control.
Remedy: 1 Check the Fusing Unit for correct installation (whether it is secured in position). 2 Check the Fusing Unit, PWB-MC and PU1 for proper connection and correct or change as necessary. 3 Change Fusing Unit. 4 Change PWB-MC. 5 Change PU1.

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