Unable to send or receive fax from my printer. Error is The fax detects an active telephone line: fail An active phone line was not detected. This error occures when I plug fax cable in port labeled as RJ-11diagram
And when I plug that jack into upper port which is labeled as telephone set diagram. I receive this error in fax test. The fax detects an inactive telephone line: Pass The phone cord is connected to the correct port: Fail The phone cord is connected to the erong port on the back of your product.