Service Call Conditions 
 
SM 5-15 M095/M096/M099/M100 
System 
Maintenance 
Reference 
 
543 
High Temperature Detection Error 
This SC is issued if one of following conditions occurs: 
  The thermistor (center) detects 255°C or thermistor (end) detects 245°C. 
  The thermistor (center) detects a 3°C increment or more for five seconds at 
220°C or more or the thermistor (end) detects a 4°C increment or more for 
five seconds at 210°C or more. 
  Defective I/O control (EGB) 
 Defective EGB 
1. Replace the EGB 
 
  Execute "Engine Maintenance Menu" to recover the machine after 
completing the recovery procedure. Otherwise, the machine continues to 
issue this SC code and cannot be operated. 
 
545 
Heating Lamp Full-Power Error 
The fusing lamp is fully-powered for a certain time while the fusing unit stays in the 
stand-by mode and is not rotating. 
 Deformed thermistor 
  Thermistor not in the correct position 
  Defective fusing lamp 
1.  Replace the fusing unit. 
2.  Replace the fusing lamp. 
 
  Execute "Engine Maintenance Menu" to recover the machine after 
completing the recovery procedure. Otherwise, the machine continues to 
issue this SC code and cannot be operated.