Sharp UX-D50 manual General problems, 127

all.book Page 127 Monday, September 1, 2003 3:46 PM

Problems and Solutions

Reception/copying is	•	If reception or copying takes place continuously for
interrupted.		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 26).
Dark vertical lines appear	•	Try changing the print contrast setting to LIGHT
on copies and received		(see page 26).
faxes.

General problems

Problem		Solution
A loud howling sound	•	Feedback (a loud howling sound) may occur if you
occurs when the speaker		replace the handset while the speaker is on. To
is used.		avoid feedback, turn off the speaker (press	)
		before you replace the handset.
Auto-dial numbers cannot	•	Make sure the fax is plugged in and the imaging
be stored in the fax.		film has been loaded. (Auto-dial numbers cannot
		be stored if the imaging film has not been loaded.)
		See Loading the Imaging Film on page 23.
Nothing appears in the	•	Make sure the power cord is properly plugged into
display.		a power outlet.
	• Connect another electrical appliance to the outlet to
		see if it has power.
The machine does not	•	If a beep sound is not made when you press the
respond when you press		keys, unplug the power cord and then plug it in
any of its keys.		again several seconds later.
Automatic document	•	Check the size and weight of the document (see
feeding does not work for		Transmittable Documents on page 82).
transmission or copying.

10. Trouble- shooting

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