Troubleshooting, What to do when – Brother QL-500A User Manual
Page 64
APPENDIX
60
Troubleshooting
What to do when...
Troubleshooting
Problem
Solution
The QL-500/550 does
not print, or a printing
error is received.
Is the USB cable loose?
Check that the USB cable is connected correctly.
Is the DK Roll installed correctly?
If not, remove the DK Rolls and reinstall.
Is there enough roll remaining?
Check that there is enough roll remaining.
Is the DK Roll compartment cover open?
Check that the DK Roll compartment cover is closed.
The power button
does not light up or
flash.
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
Customer Service at 1-877-4-P-touch.
The printed label
contains streaks or
poor quality
characters, or the
label is not fed
correctly.
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 57.
A data transmission
error appears on the
personal computer.
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.
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.
Labels are jammed in
the cutter or are not
ejected correctly after
printing.
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 59.
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 57.