Error Code: C-2453 Follow

Code

C-2453

Classification

Main body: Toner low density abnormality (C)

Cause

Under the control of the TCR sensor/C (TCRS4), TCRS4 detects the toner density that lowers the prescribed value for a longer period than the specified period of time.

Measures to take when an alert occurs

The main body and the option stop immediately.

Estimated abnormal parts

• Printer control board (PRCB)
• Developing motor/C (M7)
• TCR sensor/C (TCRS4)

Correction

Note

• The message "Please call service" is displayed on the panel.

Solution

1. Check that the process unit is correctly installed without looseness, and reinstall or repair it when there is any abnormality.
2. Check TCRS4, and clean or repair it when there is dirt or any abnormality. (Wiring diagram: Main body (2/5): 23-F)
3. Check the developing section, and clean or repair it if there is a sensor dirt or any abnormality.
4. Check the connector connection between PRCB and TCRS4, and the wiring. Then repair it when there is any abnormality.
5. Check the connector connection between PRCB and M7, and the wiring. Then repair it when there is any abnormality.
6. Rotate M7 with the IO Check (50-10) and other method. Then repair or replace it when there is any abnormality. (Wiring diagram: Main body (2/5): 19-E)
7. Replace TCRS4.
8. Replace M7.
9. Replace PRCB.

Faulty part isolation DIPSW

Control during the detachment