Sharp UX-P400 - Manual (Page 76)

Problems and Solutions
74
Reception/copying is
interrupted. • If reception or copying takes place continuously for
a long time, the print head may overheat. Turn off
the power and let it cool down. If overheating
frequently occurs, try changing the print contrast
setting to LIGHT (see page 15).
Dark vertical lines appear
on copies and received
faxes. • Try changing the print contrast setting to LIGHT
(see page 15).
Answering machine connection
Problem Solution
The answering machine
connection does not
operate properly. • Make sure your fax machine's reception mode is
set to A.M.
• Make sure your fax machine's TEL. LINE socket is
connected to the wall socket. Make sure your fax
machine's TEL. SET socket is connected to your
answering machine's telephone line socket (not the
answering machine's extension phone socket).
• Make sure your answering machine's outgoing
message is under 10 seconds.
• Make sure that the Quiet Detect Time setting is set
to three or four seconds (see page 53).