2.3.7
Thermistor
Displays the state of the thermistors and the halogen heater.
Table 2-18 Thermistors and Halogen Heaters: Status and Meaning
Code
TH02
TH01
TH03
TH04
TH05
TH06
HU01
FL01
FL02
◇ If the thermistor is disconnected, 0 degree C is displayed. In this case, check
TIP
Category
Fuser temperature overheat sensor
TH02's status
Center fuser temperature sensor TH01's
value
LED head temperature sensor TH03's
value
Edge fuser temperature sensor TH04's
value
Backup roller temperature sensor TH05's
value
Temperature sensor TH06's value at
humidity sensor unit
Humidity sensor HU01's status
Fuser unit halogen heater FL01's status
Fuser unit halogen heater FL02's status
the connectors.
Chapter 3 Regular Service Inspectionse
Status and Meaning
Normal: No overheating
Overheat: Overheating
Off: The halogen heater is Off.
On: The halogen heater is On.
2-19