HP OfficeJet 6110 All-In-One InkJet Printer "comm error 350 fax" Questions

...comm error 350,comm error 356,comm error 382,comm error 441,comm error 390 messages CAN YOU PLEASE HELP nthemba- all the error codes you see indicates phone line condition or error at reciving fax's ...

...comm error 350 and comm error 344 appear when faxing. What is the cause and how to fix it. The fax machine needs to be reset. Simply shut off the machine, wait one minute, and turn on machine & fax. ...