Kyocera FS2020D

Error Code:

Code: 7410
Description: Drum unit non- installing error
The drum unit is not installed or not installed properly. The drum PWB EEPROM does not communicate normally.
Causes: The drum unit is not installed. Defective connection drum PWB (YC1) and connect- L PWB (YC3). Defective drum PWB EEPROM. Defective engine PWB.
Remedy: The drum unit is not installed. Install the drum unit.
Defective connection drum PWB (YC1) and connect- L PWB (YC3). Check the connection of connectors drum PWB (YC1) and connect-L PWB (YC3).
Defective drum PWB EEPROM. Replace the drum unit.
Defective engine PWB. Replace the engine PWB.

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