Sharp FO-4450 operation manual Reception and copying problems, 124

Problems and Solutions

Reception and copying problems

Problem		Solution
The fax machine doesn’t	•	Make sure that the reception mode is set to AUTO.
receive documents		If you subscribe to a distinctive ring service, make
automatically.		sure that the Distinctive Ring function is set to the
		correct ring pattern. If you do not subscribe to a
		distinctive ring service, make sure that Distinctive
		Ring is set to OFF SETTING. (See Distinctive Ring
		in Chapter 5.)
The received document is	•	Ask the other party to send higher contrast
faint.		documents. If the contrast is still too low, your fax
		machine may need service. Make a copy or print a
		report to check your machine’s printing ability.
	•	The toner cartridge may need replacement.
The printed image	•	Have a service technician clean the print
appears dirty and/or the		compartment.
paper jams frequently.
The power is on, but no	•	Make sure that the wall jack is connected to the
reception takes place.		TEL. LINE jack, and not the TEL. SET jack.
Received images are	•	If ECM mode (Option Setting 9) is turned off, noise
distorted.		on the telephone line may cause distortion. Have
		the other party try sending the document again.
	•	If the other machine has ECM mode, make sure
		this feature is turned on in both fax machines (see
		Option Setting 9).
	•	Make a copy or print a report on your fax machine.
		If the copy or report is also distorted, your fax
		machine may need service.
	•	The drum cartridge may be damaged. Try a new
		drum cartridge.
	•	The fusing unit and transfer roller may need to be
		replaced during the life of the machine if print
		quality begins to deteriorate. This must be done by
		a service technician.

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