Zebra Technologies 79695L-002 HEAD CLOSE, MEDIA POWER UP, the RFID inlay, roll are voided, Poor yields. Too, many RFID tags per, The printer stops at, Table 21 • RFID Problems (Continued)

126Troubleshooting RFID Problems

Table 21 • RFID Problems (Continued)

Problem	Possible Cause	Recommended Solution
Poor yields. Too	The RFID labels are not within	Make sure that the labels meet transponder
many RFID tags per	specifications for the printer,	placement specifications for your printer. See
roll are voided.	which means that the	http://www.zebra.com/id/zebra/na/en/index/
	transponder is not in an area	products/supplies/rfid_supplies/
	that can be programmed	rfid_transponder_inlay.html for transponder
	consistently.	placement information.
		Refer to the RFID Programming Guide or
		contact an authorized Zebra RFID reseller for
		more information.
	Some RFID tags are more	1. Verify that the printer is set for the correct
	sensitive than others and may	write power. See
	require special printer settings.	http://www.zebra.com/id/zebra/na/en/index/
		products/supplies/rfid_supplies/
		rfid_transponder_inlay.html for the
		recommended power setting for each tag
		type.
		2. If necessary, run the ^HR command to
		manually calibrate the transponder position.
		3. If the problem persists, consider using a
		different tag type.
		Refer to the RFID Programming Guide or
		contact an authorized Zebra RFID reseller for
		more information.
	Incorrect read and write power	Change the RFID read and write power levels.
	levels for the RFID tag type.	Refer to the RFID Programming Guide for
		instructions.
	Radio frequency (RF)	Do one or more of the following as necessary:
	interference from another RF	• Move the printer away from fixed RFID
	source.	readers.
		• Make sure that the media door is closed at all
		times during RFID programming.
	The printer is using outdated	Go to http://www.zebra.com/firmware for
	printer firmware and reader	updated firmware.
	firmware versions.
The printer stops at	The printer calibrated the label	1. Select FEED for the MEDIA POWER UP and
the RFID inlay.	length only to the RFID inlay	HEAD CLOSE parameters (see Select Media
	instead of to the interlabel gap.	Power-Up Option on page 89 or Select Head
		Close Option on page 89).
		2. Manually calibrate the printer (see
		Calibrate Media and Ribbon Sensor
		Sensitivity on page 83)

79695L-002 Rev. A Z Series®/RZ™ Series User Guide 6/6/08