There are long tracks of missing print (blank vertical lines) on several labels.
nThe printhead is dirty. Clean the printhead according to the instructions on page 39.
nThe printhead elements are damaged. Replace the printhead (see “Replacing the Printhead” on page 44).
The printing does not start at the top of the label, or misprinting of one to three labels.
nThe media may not be threaded under the media guides. Refer to “Loading the Media” on page 5.
nThe printer needs to be calibrated. Refer to “Auto Calibration” on page 25.nThe correct media sensor may not be activated. Manual calibration selects the media sensing method for the labels being used (refer to the ^MN command in the ZPL II Programming Guide).
nVerify that the Label Top (^LT) command is correctly set for your application (consult the ZPL II Programming Guide).
A label format was sent to, but not recognized by, the printer.
nIs the printer in pause mode? If so, press the feed button.nIf the status LED is on or flashing, refer to “What the Status LED is Telling You” on page 31.
nMake sure the data cable is correctly installed.nA communications problem has occurred. First, make sure that the correct communications port on the computer is selected. Next, verify that the same handshaking is in use by both the printer and the computer. Then, ensure that the baud rates of the printer and the computer match. Refer to “Communicating with the Printer” on page 29.
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