Xerox 4050 NPS, 4090 NPS, 4890 NPS, 4850 NPS manual 48-27

				PRINTER CONTROLLER MESSAGES
Message			Explanation/action
F237	Finishing device offline.		The finishing device is offline.
		1.		Discard the purged output.
		2.		Place the finishing device online.
F239	DFA set jam.		DFA Set Delivery signal not received within the allotted
			time.
		1.		Check the finishing device.
		2.		Press the Continue button.
F240 -	Set separator sensor or		A Set Separator sensor/solenoid failure has been
F4050	solenoid failure		detected.
		1.		Open the right front door.
		2.		Clear area 7 and close the right front door.
		3.		Press the Continue button.
F240 -	DFA delivery sequence		The DFA Delivery signal is out of sequence.
F4850	jam	1.		Check the finishing device.
		2.		Press the Continue button.
		3.		If problem persists, contact your service
				representative.
F242	DFA sheet jam.		The DFA sheet did not arrive in the allotted time.
		1.		Check the finishing device.
		2.		Press the Continue button.
		3.		If problem persists, contact your service
				representative.
F259	XAN lost machine clocks.		The XAN lost its machine clocks.
		1.		Press the Continue button.
		2.		Discard the purged output.
		3.		If problem persists, contact your service
				representative.
F260	XAN lost the pitch reset		The XAN lost the pitch reset signal.
		1.		Press the Continue button.
		2.		Discard the purged output.
		3.		If problem persists, contact your service
				representative.
F268	Black developer bias		The black developer bias is out of range.
	voltage out of range.	1.		Press the Continue button.
		2.		If problem persists, contact your service
				representative.
F269	Chopped black DC bias		The chopped black DC bias voltage has failed.
	voltage failure.	1.		Press the Continue button.
		2.		If problem persists, contact your service
				representative.

XEROX DOCUPRINT 4050/4090/4850/4890/92C NPS MESSAGES GUIDE 48-27