• Code: 167
• Display: Service call 167:Error
• Description: Thermistor Slope Error
• Causes: Is an error message indicated? Is the error issued again?

• Code: 168
• Display: Service call 168:Error
• Description: Compensation Thermistor Error
• Causes: Is an error message indicated? Is the error issued again?

• Code: 169
• Display: Service call 169:Error
• Description: Upper Side Thermistor Error
• Causes: Is an error message indicated? Is the error issued again?

• Code: 170, 171
• Display: Service call 170:Error 171:Error
• Description: Short circuit in fuser thermistor or open detected.
• Causes: Does error reoccur?

• Code: 172, 173
• Display: Service call 172:Error 173:Error
• Description: Abnormal temperature detected by fuser thermistor (high-temp or low temp.)
• Causes: Does error reoccur?

• Code: 174
• Display: Service call 174:Error
• Description: Short circuit in back up roller thermistor detected (at high temperature).
• Causes: Does error reoccur?

• Code: 175
• Display: Service call 175:Error
• Description: Open of back up roller thermistor detected (at low temperature).
• Causes: Does error reoccur?

• Code: 176, 177
• Display: Service call 176:Error 177:Error
• Description: Abnormal (high) temperature of back up roller thermistor detected.
• Causes: Does error reoccur?