Troubleshooting; Potential Types Of Problems - Brother QL-650TD User Manual

Troubleshooting

If the problems occur while using this printer, the following may help you to solve the
problems.

Potential types of problems

Problem
•
•
•
•
Cannot print
•
Printing error
•
is displayed
•
•
•
LED lamp
does not light
up
•
•
•
LED lamp is
blinking
•
The printed
•
label contains
streaks or
poor quality
characters, or
the label is not
fed correctly.
• •
Data
transmission
error is
displayed on
the personal
computer
screen
•
•
The clock
stops when
•
unplugging
the power
•
cord
Is the USB cable disconnected?
Check the USB cable is connected properly.
Is the DK Roll properly set?
If it is not set properly, remove the DK Roll and set it again.
Is the DK Roll used up?
Check for some of the roll are still left.
Is the DK Roll cover open?
Check the roll cover is closed properly.
Are USB cable and RS-232C cable connected to the printer at the
same time?
Connect only one cable which is used to communicate with the
printer.
Is the power cord connected properly?
Check the power cord is connected properly. If it is connected
properly, try to connect it to another outlet.
* If the problem is not resolved after trying these solutions, contact your local
distributor or Brother Customer Service at 1-877-BROTHER.
For details, refer to
22.
Does a system error (the LED turns off after blinking 10 times)
occur?
Turn OFF the power of the printer and turn it ON again.
If the problem is not resolved after trying this solution, contact your
local distributor or Brother Customer Service at 1-877-BROTHER.
Is the print head or roller damaged or stained?
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. For details, refer to
in page 42.
Is the correct port selected?
Check that the correct port is selected from [print to the port below]
in printer property dialog box.
Has the protective battery sheet been removed?
Remove the protective battery sheet.
Is the battery inserted?
Install a new battery.
The battery has lost its power.
Replace it with a new battery.
Solution
"Manual Operation Button Functions" in page
"Roller maintenance"
47
STEP
1
STEP
2
STEP
3