Troubleshooting

Print Quality Problems

Communication Problems

Data light does not flash when a label format is sent.

Problem

Solution

 

 

The printer does not respond to

Check the printer driver or software

label requests.

communications settings.

 

Confirm you are using the correct

 

communication cable. See Cable

 

Requirements on page 32.

 

Via the front panel, check the protocol

 

setting. It should be set to the default none.

 

See page 73.

 

Ensure that the correct driver is being used.

 

 

Several labels print, then the printer skips, misplaces, misses, or distorts the image on the label after a label is sent to the printer.

Problem

Solution

 

 

The host is set to EPP parallel

Change the settings on the computer host

communications.

to standard parallel communications.

The serial communication

Standard RS-232 cables are appropriate for

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 printer but not recognized. The DATA light flashes but no printing occurs.

106

Z4Mplus and Z6Mplus User Guide