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H-974
PAGE 56 OF 57
0808 IH-974
Calibration
Communications Problems
A label format was sent to the printer but not recognized. The DATA
light does not flash.
Zebra Z4M Printer User’s Guide 71
Problem Solution
Loss of printing registration on labels.
Excessive vertical drift in top-of-form
registration.
Adjust the reflective sensor position. See page 11.
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
item (page 41) and manually select the correct sensing
method.
Reload the media. Check the reflective sensor position
(see page 11).
Clean the platen roller according to the instructions on
page 56.
“Auto Calibrate” failed.
Perform a manual calibration (see page 45).
Load the media. Ensure that the reflective sensor is
properly positioned (see page 11).
Problem Solution
The printer does not respond to label
requests.
Check the printer driver or software communications
settings (if applicable).
Verify the prefix and delimiter characters. See page 49.
Are you using the correct communication cable? See
page 18 for the requirements.
Via the front panel, check the protocol setting. It should
be set to “none.” See page 47.
Ensure that the correct driver is being used (if
applicable).