Zebra Technologies Z6M - Manual (Page 20)

12 Zebra Z4M/Z6M Printers User’s Guide
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During auto calibration, the printer determines the label length and media/ribbon
sensor settings.
Auto calibration occurs when the printer is turned on and each time the printer
recovers from an error condition. (To clear an error, open and close the printhead
assembly and then press the PAUSE key.) The printer begins auto calibration when all
errors have been cleared.
The results of the auto calibration are stored in the printer’s memory and are retained
even if printer power is removed. These parameters remain in effect until the next
calibration is performed.
NOTE: The auto calibration process does not take place if the ZPL command
or front panel setting for “MEDIA POWER UP” or “HEAD CLOSE” is set
either to “feed” or “no motion.” In these cases, the printer assumes the media
is correctly positioned and starts printing without auto calibrating.