Brother QL-650TD Manuale Proprietario

59

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

problems.

Problem

Solution

•

Cannot print

•

Printing error 

is displayed

•

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. 

•

LED lamp 

does not light 

up

•

Is the power cord connected properly?

Check the power cord is connected properly. If it is connected 

properly, try to connect it to other outlet.

* If the problem is not resolved after trying these solutions, contact your local 

distributor or Brother Call Center.

•

LED lamp is 

blinking

•

For details, refer to 

•

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 Call Center.

•

The printing 

quality is 

getting wrong

•

Is the print head or roller damaged or stained?

The print head is cleaned when using the DK Roll (thermal recording 

paper), however, the dust or stain from roller may collect on the print 

head. In this case, clean up the roller. For details, refer to 

•

Data 

transmission 

error is 

displayed on 

PC

•

Is the correct port selected?

Check that the correct port is selected from [print to the port below] 

in printer property dialog box.

•

The clock 

stops when 

unplugging 

the power 

cord

•

Is the battery protection sheet removed?

Remove the battery protection sheet.

•

Is the battery inserted?

Set a new battery.

•

The battery is run out of power.

Replace it with a new battery.