Error Code: C-3504 * Follow
Code
C-3504*
Classification
Main body: Fusing roller/Lw edge high temperature abnormality
Cause
The fusing temperature sensor/4 (TH4) detects that the temperature is 240 °C or higher continuously for a specified period of time.
Measures to take when an alert occurs
The main body and the option stop immediately.
Estimated abnormal parts
- Fusing unit
- Printer control board (PRCB)
- Fusing temperature sensor/4 (TH4)
Correction
Note
- The message "Please call service" is displayed on the panel.
Solution
- Check the connection between the rear side connector of the fusing unit and the main body side connector, and repair it when there is any abnormality.
- Check the connector connections between TH4 and PRCB, and the wiring. Then repair it when there is any abnormality. (Wiring diagram: Main body (1/5): 10-H)
- Check the installation condition of the fusing heater lamp and ON or OFF by the IO Check (45-00) and others, and repair it when there is any abnormality. (Wiring diagram: Main body (1/5): 2-J)
- Note
- The output check on the IO check mode has restrictive conditions. Check the IO check mode list before the output check.
- Check the installation condition of TH4 and the temperature of IO Check (45-16) and others and adjust it when there is any abnormality. (Wiring diagram: Main body (1/5): 3-L)
- Replace TH4.
- Replace PRCB.
Faulty part isolation DIPSW
Control during the detachment