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Troubleshooting
Printer Diagnostics
Self tests and other diagnostics provide specific information about the condition of the printer. The self
tests produce sample printouts and provide specific information that helps determine the operating
conditions for the printer.
IMPORTANT: Use full-width media when performing self tests. If your media is not wide enough,
the test labels may print on the platen roller. To prevent this from happening, check the print
width, and ensure that the width is correct for the media that you are using.
Each self test is enabled by pressing a specific control panel key or combination of keys while turning on
(I) the printer power. Keep the key(s) pressed until the first indicator light turns off. The selected self test
automatically starts at the end of the Power-On Self Test.
NOTE:
• When performing these self tests, do not send data to the printer from the host.
• If your media is shorter than the label to be printed, the test label continues on the next label.
• When canceling a self test prior to its actual completion, always reset the printer by turning it
off (O)
Power-On Self Test
A Power-On Self Test (POST) is performed each time the printer is turned on (l). During this test, the control
panel lights (LEDs) turn on and off to ensure proper operation. At the end of this self test, only the STATUS
LED remains lit. When the Power-On Self Test is complete, the media is advanced to the proper position.
• Turn on (I) the printer.
The POWER LED illuminates. The other control panel LEDs and the LCD monitor the progress and
indicate the results of the individual tests. All messages during the POST display in English; however, if
the test fails, the resulting messages cycle through the international languages as well.
CANCEL Self Test
The CANCEL self test prints a printer configuration label and a network configuration label. For other ways
to print these labels, see Print Information.
1. Turn off (O) the printer.
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