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Problem | Solution  | |
  | Adjust the reflective sensor position. See page 10.  | |
  | 
  | |
  | Set the printer for the correct media type. See page 41.  | |
  | 
  | |
  | Ensure that the media guides are properly positioned.  | |
  | 
  | |
  | Via the front panel, locate the “SENSOR SELECT” menu  | |
Loss of printing registration on labels.  | item (page 41) and manually select the correct sensing  | |
method.  | ||
Excessive vertical drift in   | ||
  | ||
registration.  | Reload the media. Check the reflective sensor position  | |
  | (see page 10).  | |
  | 
  | |
  | Clean the platen roller according to the instructions on  | |
  | page 56.  | |
  | 
  | |
  | Perform a manual calibration (see page 45).  | |
“Auto Calibrate” failed.  | 
  | |
Load the media. Ensure that the reflective sensor is  | ||
  | properly positioned (see page 10).  | |
  | 
  | 
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Problem | 
  | Solution  | |
  | Check the printer driver or software communications  | ||
  | settings (if applicable).  | ||
  | 
  | ||
The printer does not respond to label  | Verify the prefix and delimiter characters. See page 49.  | ||
  | 
  | ||
Confirm you are using the correct communication cable.  | |||
requests.  | |||
See  | “Cabling Requirements” on page 18.  | ||
  | |||
  | 
  | ||
  | Via the front panel, check the protocol setting. It should be  | ||
  | set to the default “none.” See page 47.  | ||
  | 
  | ||
  | Ensure that the correct driver is being used (if applicable).  | ||
  | 
  | 
  | |
Zebra Z4M/Z6M Printers User’s Guide | 73  |