| Alert | Possible Cause | Recommended Solution | 
|---|---|---|
| General Print Quality Issues | ||
| The printed image does not look right. | The printer is set at an incorrect darkness level and/or print speed. | Adjust the printers Darkness setting. (See Adjusting Print Quality.) | 
| The printhead is dirty. | Clean the printhead. (See Cleaning the Printhead.) | |
| The platen roller is dirty or damaged. | Clean or replace the platen. Platens can wear out or get damaged. (See Cleaning and Replacing the Platen (Driver Roller).) | |
| You may be using the wrong power supply. | Verify you are using the power supply that came with your printer. | |
| The printhead has worn out. | Contact your Zebra partner or Zebra Tech Support for assistance. | |
| No Print on the Label | ||
| The printed image does not look right. | The media may not be direct thermal media and is made for the Thermal Transfer mode of printing. | See Determining Thermal Media Types to ensure you are using the right type of media and the right printer settings for the media you are using. | 
| Media has been loaded incorrectly. | The media printable surface must face up towards the printhead. (See Getting Ready to Print and Media Types and Sensing.) | |
| Labels Are Distorted in Size or Print Area Start Position Varies | ||
| The printed image or a part of it skips between labels (mis-registration). | Media is loaded incorrectly. OR The movable media sensor is not set properly. | Verify that the sensor is positioned correctly for your media type and its sensing location. See the following:
                   | 
| The media sensors are not calibrated for your media length, the media's physical properties, or sensing type (gap/notch, continuous, or mark). | ||
| The platen (drive) roller is slipping or damaged. | Clean or replace the platen. Platens can wear out or get damaged. (See Cleaning and Replacing the Platen (Driver Roller). | |
| The printer has communication issues with cables or communication settings. | ||