Is there a specific error code associated with the 'Communication Error' on the Canon LBP 6000, and what does it mean?

While the display often shows 'Communication Error', there might be a more specific error code displayed alongside it (e.g., B200, 5B00). Refer to the Canon LBP 6000 service manual or the Canon support website to look up the meaning of the specific error code. This can provide more targeted troubleshooting steps.