Users Manual Part 4

135
Diagnostics and Troubleshooting
TroubleshootingTroubleshooting—Printing Issues
5/9/19 ZT411/ZT421 Color Touch User Guide P1106464-001
Issue Possible Cause Recommended Solution
Vertical image or label
drift
The printer is using
non-continuous labels but is
configured in continuous mode.
Set the printer for the correct media type
(gap/notch, continuous, or mark) and calibrate
the printer, if necessary (see Calibrate the
Ribbon and Media Sensors on page 92).
The media sensor is calibrated
improperly.
Calibrate the printer. See Calibrate the Ribbon
and Media Sensors on page 92.
The platen roller is dirty. Clean the printhead and platen roller. See Clean
the Printhead and Platen Roller on page 102.
Improper printhead pressure
settings (toggles).
Adjust the printhead pressure to ensure proper
functionality. See Adjust the Printhead Pressure
on page 93.
The media or ribbon is loaded
incorrectly.
Ensure that the media and ribbon are loaded
correctly. See Load the Ribbon on page 43 and
Load the Media on page 17.
Incompatible media. You must use media that meets the printer
specifications. Ensure that the interlabel gaps or
notches are 2 to 4 mm and consistently placed
(see Media Specifications on page 191).
DRAFT