Brother QL-500 Owner's Manual

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Troubleshooting

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Is the USB cable loose?
Check that the USB cable is connected correctly.

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Is the DK Roll installed correctly?
If not, remove the DK Rolls and reinstall.

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Is there enough roll remaining?
Check that there is enough roll remaining.

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Is the DK Roll compartment cover open?
Check that the DK Roll compartment cover is closed.

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Is the power supply cord connected correctly?
Check that the power supply cord is connected and plugged in. If 
connected correctly, try connecting it to another electrical outlet.
* If the power button still does not light up or flash, contact Brother 

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Is the print head or roller dirty? 
While the print head generally remains clean under normal use, lint 
or dirt from the roller may become stuck on the printer head. If this 
occurs, clean the roller. Refer to “Cleaning the Roller” on page 62.

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Is the correct port selected?
Check that the correct port is selected from the “Print to the following 
port” list in the Printer Properties dialog box.

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Is the QL-500/550 in cooling mode (the LED lamp is flashing slowly)?
Wait until the LED lamp stops flashing and then try printing again.

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Does the edge of the cutter unit seem to have lost its sharpness?
Do cutter errors occur frequently?
Replace the cutter. For details, refer to “Changing Cutter Unit” on 
page 64.

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Is there dirt or lint on the roller preventing it from rolling freely?
Use a Cleaning Sheet to clean the roller. For details, refer to 
Cleaning the Roller on page 62.

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Is new label roll installed before activating the P-touch Add-In (The 
P-touch function is added to your standard Microsoft toolbar)?
Exit the P-touch Add-In, load the 2

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Is Microsoft Outlook opened when using Microsoft Word P-touch 
Add-In?
Close Microsoft Outlook and restart Microsoft Word to enable the 
Add-In.