Cause of error code BAD DUPLEXER CONNECTION

The duplexer is not correctly installed.

Solution for error code BAD DUPLEXER CONNECTION

1. Some printers need a right-angle power cord for a duplexer to be installed correctly.   Make sure right-angle cord is installed, if needed. 2. Turn the printer off. 3. Remove and reinstall the duplexer. 4. Turn the printer off and back on. 5. If the message persists, make sure the duplexer is connected and the connector is not damaged. 6. Replace the duplexer.