Description: A label format was sent to the print engine. Several labels print, then the print engine skips, misplaces, misses, or distorts the image on the label.
Causes: The serial communication settings are incorrect.
Remedy: Ensure that the flow control settings match. Check the communication cable length. See Data Cable Requirements on page 41 for requirements. Check the print engine driver or software communications settings (if applicable).
Code: 26
Display:
Description: A label format was sent to the print engine but was not recognized. The DATA light flashes but no printing occurs.
Causes: The prefix and delimiter characters set in the print engine do not match the ones in the label format. Incorrect data is being sent to the print engine.
Remedy: Ensure that ZPL II is being used. Check the communication settings on the computer. Ensure that they match the print engine settings. If the problem continues, check the ZPL II format for changed
Code: 27
Display:
Description: Broken or melted ribbon
Causes: Darkness setting too high.
Remedy: 1. Reduce the darkness setting. 2. Clean the printhead thoroughly.
Causes: Ribbon core is not standard size and is slipping on the spindle.
Remedy: Replace ribbon with one that has a standard core size.
Code: 29
Display:
Description: Missing LCD characters or parts of characters
Causes: The LCD may need replacing.
Remedy: Run Power-On Self Test and check that LCD display shows all characters. If not, replace LCD.
Code: 30
Display:
Description: Changes in parameter settings did not take effect
Causes: Parameters are set incorrectly. A ZPL command has turned off the ability to change the parameter. A ZPL command has changed the parameter back to the previous setting. If the problem continues, there may be a problem with the main logic board.
Remedy: 1. Set parameters and save permanently. 2. Turn the print engine power Off (O) and then On (I). Refer to the ZPL Programming Guide or call a service technician. Refer to the ZPL Programming Guide or call a service technician. Replace the main logic board (see Section 4, Corrective Maintenance).