Canon LaserClass 7000 Plain Paper Fax "phone crackling sound" Questions

crackling sound when a call is made or received when the fax machine is used. What could be the problem? Please suggest a solution. please check your phone cord, try using a different one, sounds like

...line error. what do i need to do or is the fax machine broken Sounds like you may have a noisy phone line, incorrectly set transmission level or no filters installed if using broadband adsl ...

...phone line and the fax is missing some of the information. It will look like half of the text was squashed. If it is always consistent check your fax line for crackling and make sure no other devices ...