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Problem | Solution  | 
The printhead is not fully closed.  | Close the printhead.  | 
  | 
  | 
The ribbon is loaded incorrectly; it is covering  | Correctly align the ribbon with the guide mark on the ribbon  | 
the head open sensor.  | guide plate before closing the printhead assembly. See  | 
  | “Ribbon Loading” on page 34.  | 
  | 
  | 
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Problem | Solution  | 
  | Via the front panel, locate the “PRINT METHOD” menu item  | 
  | (page 42) and select thermal transfer mode.  | 
Print method is incorrectly set.  | 
  | 
Ensure that the printer driver and/or software settings are  | |
  | correctly set (if applicable).  | 
  | 
  | 
  | Remove the ribbon and set the printer to direct thermal  | 
  | mode. (See “PRINT METHOD” on page 42.)  | 
The ribbon is loaded.  | 
  | 
Ensure that the printer driver and/or software settings are  | |
  | correctly set (if applicable).  | 
  | 
  | 
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Problem | Solution  | 
  | Allow the printer to cool. Printing automatically resumes  | 
The printhead is over temperature.  | when the printhead elements cool to an acceptable  | 
  | operating temperature.  | 
  | 
  | 
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Problem | Solution  | 
  | Continue printing while the printhead reaches the correct  | 
  | operating temperature.  | 
The printhead is under temperature.  | 
  | 
The environment may be too cold for proper printing.  | |
  | Relocate the printer to a warmer area.  | 
  | 
  | 
70  | Zebra Z4M/Z6M Printers User’s Guide |