Users Manual - English
Page 108
... a PC Fax message and get transmission errors due to possible interference on the telephone line, try changing the Compatibility setting to Basic(for VoIP)(For MFC-7840W, Normal or Basic(for a dial tone. Change Tone/Pulse setting. (See the Quick Setup Guide.) (Canada only) Check all line cord ...your machine is still no answer, check the telephone line cord connection. Send a manual fax by pressing Hook or by pressing Stop/Exit. If the copy quality is not good, clean the scanner. (See Cleaning the scanner glass on page 119.) There is probably temporary noise or static on , your machine...
... a PC Fax message and get transmission errors due to possible interference on the telephone line, try changing the Compatibility setting to Basic(for VoIP)(For MFC-7840W, Normal or Basic(for a dial tone. Change Tone/Pulse setting. (See the Quick Setup Guide.) (Canada only) Check all line cord ...your machine is still no answer, check the telephone line cord connection. Send a manual fax by pressing Hook or by pressing Stop/Exit. If the copy quality is not good, clean the scanner. (See Cleaning the scanner glass on page 119.) There is probably temporary noise or static on , your machine...