Service Call Conditions 
M095/M096/M099/M100 5-16  SM 
 
547 
Zero Cross Error 
The zero cross signal is not detected for three seconds even though the fusing 
lamp relay is on after turning on the main power or closing the front door. 
  Defective fusing lamp relay 
1.  Turn the main power switch off and on. 
 
  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. The power should be turned 
off and on after the recovery procedure. 
 
548 
Low Temperature Error 
The center thermistor detects 100°C or less for 4 seconds. 
  Defective fusing lamp 
 Defective thermistor 
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.