Dell 3333/3335dn Mono Laser Printer - Manual (Page 126)

f Touch Distinctive Ring Settings.
g Touch the arrow for the pattern setting you want to change.
h Touch Submit.
Connecting the printer and a telephone or answering machine to the same
telephone line
1 Connect one end of the telephone cable that came with the printer to the printer LINE port .
2 Connect the other end of the telephone cable to an active analog telephone wall jack .
3 Remove the plug from the printer EXT port .
4 Connect your telecommunications equipment directly to the printer EXT port .
Use one of the following methods:
Faxing 126