Fuser control functions The product has the following fuser control functions. Table 1-6 Fuser control functions Function Applied Fuser temperature control V Fuser failure detection V Frequency detection circuit failure detection V Fuser depressurization mechanism failure detection N/A Fuser type discrepancy detection N/A Fuser type identification detection N/A Fuser presence detection V Fuser life detection N/A Relay failure detection N/A Pressure roller cleaning V ENWW Engine control system 13