T-19
(4)
C0510: Fuser temperature low
<Detection Timing>
<Troubleshooting Procedures>
Description
• The temperature detected by the Thermistor remains lower than the set temperature
continuously for a predetermined period of time while the fusing temperature control is
being provided. (The set temperatures are as follows: 140 °C during a print mode at 600
dpi; 70 °C during the standby mode.)
Relevant Electric Parts
Fusing Unit
Thermistor (TH1)
Fusing Roller Heater Lamp (H1)
Controller/Mechanical Control Board (PWB-P)
Thermostat (TS1)
Power Unit (PU1)
Step
Action
Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electric Parts)
1
Replace Thermistor (TH1).
☞
D-28
–
–
2
Replace Fusing Unit.
☞
E-7
–
–
3
Replace Controller/Mechanical
Control Board (PWB-P).
☞
D-12
–
–
4
Replace Power Unit (PU1).
☞
D-15
–
–
