Zebra Technologies Z6Mplus manual Communication Problems and Solutions

Troubleshooting

Communication Problems

Communication Problems

Table 15 • Communication Problems and Solutions

Issue	Potential Problem	Recommended Solution
The printer does not respond to	Loose or improperly connected	Make sure that the communication cable is
print requests. The DATA light	cable.	connected properly.
does not flash.
	The communication parameters	Check the printer driver or software
	are incorrect.	communications settings.
		Confirm that you are using the correct
		communication cable. See Cable
		Requirements on page 14.
		Via the front panel, check the protocol
		setting. It should be set to the default
		None. See Setting Protocol on page 65.
		Ensure that the correct driver is being used.
Several labels print, then the	The host is set to EPP parallel	Change the settings on the computer host
printer skips, misplaces, misses,	communications.	to standard parallel communications.
or distorts the image on the label
	The serial communication	Standard RS-232 cables are appropriate for
after a label is sent to the printer.	settings are incorrect.	lengths under 50 ft. (15.2 m); RS-422 and
		RS-485 cables allow serial transmission up
		to 4000 ft.(1.2 km). Check cable length and
		shielding, and confirm the appropriate RS-
		232, RS-422, or RS-485 setting is being
		used.
		Check the printer driver or software
		communications settings.
A label format was sent to the	The prefix and delimiter	Verify the prefix and delimiter characters.
printer but not recognized. The	characters set in the printer do	See Selecting Prefix and Delimiter
DATA light flashes but no	not match the ones in the label	Characters (next three parameters)
printing occurs.	format.	on page 67.
	Incorrect data is being sent to	Check the communication settings on the
	the printer.	computer. Ensure that they match the
		printer settings.

13163L Rev. 3 5/20/2004 Z4Mplus/Z6Mplus User Guide 93