Lexmark 90T9251, 901, 90E, 90T9250, 90T9200, 91E, Pro915 manual Troubleshooting 162

Troubleshooting			162
	Error Message:	What it indicates:	Possible solutions:
	Unsupported Compression	The fax modem of the receiving fax	• Lower the transmission speed of the
		machine does not support data	fax modem, and then resend the
		compression. Fax modems compress	fax.
		data to speed up transmission, but the	• Enable Auto Fax Conversion.
		receiving fax modem needs to have the
		same compression code.
	Unsupported Resolution	The receiving fax machine does not	• Lower the fax quality.
		support the scan resolution of the	• Enable Auto Fax Conversion.
		document that you are sending.
	Unrecoverable Fax Error	The fax modem encountered critical	Turn off the printer, turn it back on, and
		errors.	then resend the fax.
	Fax Modem Error	The fax modem of the printer may be	Turn off the printer, turn it back on, and
		busy, or the fax modem may have	then resend the fax.
		encountered problems during
		transmission.
	Phone Line is connected to	The telephone cable is connected to	Connect the phone cable to the port
	the incorrect jack on the	the wrong port on the back of the	on the back of the printer.
	back of the machine.	printer.
	Digital line detected	The printer is connected to a digital	The printer is an analog device and must
		line.	be connected to an analog line. To
			connect the printer to a digital line, you
			must use a digital line converter or a
			filter.
			For more information, see the ”Setting
			up the printer to fax” section.
	Failed to Connect	The printer cannot detect a dial tone.	See the “Fax troubleshooting checklist.”
	Phone Line Error
	Phone Line Not Connected
	Phone Line Busy	Your telephone line or the telephone	• Set the printer to redial.
		line of the receiving fax machine is	• Increase the time between the
		busy. This happens especially if the
			redial attempts.
		printer is sharing the line with other
			• Place a test call to the number to
		devices (telephone, answering
			which you want to send a fax to
		machine).
			make sure that it is working
			correctly.
			• If the telephone line is being used
			by another device, then wait until
			the other device is finished before
			sending the fax.
			• Schedule to resend the fax at a later
			time.
			• Set the printer to scan before
			dialing. The scanned document is
			saved in the printer memory. The
			printer can then retrieve it and
			automatically redial the number.