337
DP-C405/C305/C265
FEB 2008Ver. 1.1
E4-25 Thermistor
(TH2) High
Temperature
Error
Thermistor (TH2)
output resistance is
lower than the
predetermined value.
(Higher than 230 °C)
Fuser 1. Check the Thermistor (TH1) connector.
2. Thermistor (TH1) is defective.
3. Contact of Thermistor (TH1) and Heater
Belt is abnormal.
4. Check the Thermistor (TH2) connector.
5. Thermistor (TH2) is defective.
6. Induction Heating (IH) PCB is defective.
7. Check the EC PCB connector.
8. EC PCB is defective.
E4-26 Thermistor
(TH3) High
Temperature
Error
(DP-C322
Series)
Thermistor (TH3)
output resistance is
lower than the
predetermined value.
(Higher than 230 °C)
Fuser 1. Thermistor (TH1) is defective.
2. Thermistor (TH1) connector is
disconnected.
3. Contact of Thermistor (TH1) and Heater
Belt is abnormal.
4. Thermistor (TH3) is defective.
5. Thermistor (TH3) connector is
disconnected.
6. Induction Heating (IH) PCB is defective.
7. EC PCB connector is disconnected.
8. EC PCB is defective.
E4-27 Thermistor
(TH4) High
Temperature
Error
Thermistor (TH4)
output resistance is
lower than the
predetermined value.
(Higher than 190 °C)
Fuser 1. Check the Thermistor (TH1) connector.
2. Thermistor (TH1) is defective.
3. Contact of Thermistor (TH1) and Heater
Belt is abnormal.
4. Check the Thermistor (TH4) connector.
5. Thermistor (TH4) is defective.
6. Induction Heating (IH) PCB is defective.
7. Check the EC PCB connector.
8. EC PCB is defective.
E4-41 Fuser IH Core
Motor Rotation
Error
(DP-C322
Series)
Fuser 1. Induction Heating (IH) Core Motor is
defective.
2. Induction Heating (IH) Core Motor
connector is disconnected.
3. EC PCB connector is disconnected.
(CN504)
4. EC PCB is defective. (Fuse is open)
5. EC PCB is defective.
E4-42 Fuser IH Core
Motor Position
Error
(DP-C322
Series)
Fuser 1. Induction Heating (IH) Core Motor is
defective.
2. Induction Heating (IH) Core Motor
connector is disconnected.
3. EC PCB connector is disconnected.
(CN502)
4. EC PCB is defective. (Fuse is open)
5. EC PCB is defective.
E4: Induction Heating (IH) Fuser Unit Error Codes
Code Function Contents Section Check Points