These results are ranked by popularity.
| Error | |
|---|---|
| E7-20 | Description: LSU laser detection error (K) |
| F2-40 | Description: Toner density sensor trouble (K) |
| L4-50 | Description: Process fan trouble The fan operation signal is not detected. |
| U6-21 | Description: LCC transport motor trouble No variation in the motor rotation sensor signal (encoder sign) is detected within the specified time after booting or stopping the LCC transport motor. |
| F6-21 | Description: Improper combination of TEL/LIU PWB and FAX soft switch Incompatibility between the TEL/LIU PWB and the FAX control PWB information (soft switch) |
The most common error codes.
| Error | |
|---|---|
| E7-20 | Description: LSU laser detection error (K) |
| F2-40 | Description: Toner density sensor trouble (K) |
| L4-50 | Description: Process fan trouble The fan operation signal is not detected. |
| U6-21 | Description: LCC transport motor trouble No variation in the motor rotation sensor signal (encoder sign) is detected within the specified time after booting or stopping the LCC transport motor. |
| F6-21 | Description: Improper combination of TEL/LIU PWB and FAX soft switch Incompatibility between the TEL/LIU PWB and the FAX control PWB information (soft switch) |
| EE-EU | Description: Automatic toner density adjustment error (Under toner) The sampling level in the automatic toner density adjustment is 178 or above or the control voltage is 51 or less. |
| E7-20 | Description: LSU laser detection error (K) |
| F6-21 | Description: Improper combination of TEL/LIU PWB and FAX soft switch Incompatibility between the TEL/LIU PWB and the FAX control PWB information (soft switch) |
| U6-21 | Description: LCC transport motor trouble No variation in the motor rotation sensor signal (encoder sign) is detected within the specified time after booting or stopping the LCC transport motor. |
| L4-50 | Description: Process fan trouble The fan operation signal is not detected. |
