18STEP 1 Before using the printer

6 Using Interface Cable

RS-232C cable and Network cable are not standard accessories.

Choose the appropriate cable for your interface.

USB cable

Use the enclosed interface cable.

RS-232C cable

The pin assignments for the serial cables (RS-232C cables) which can be used with this machine are shown in the table below. You can purchase the cables at an electronics store. Do not use an interface cable that is longer than 2 metres.

Brother QL side

 

 

PC side

D-sub female, lock screw #4-40 (UNC).

(D-Sub9P female)

 

 

 

 

 

Signal

Pin

Pin Assignments

Pin

Signal

Name

Number

Number

Name

 

 

 

 

 

 

DCD

1

 

1

DCD

 

 

 

 

 

RXD

2

 

2

RXD

 

 

 

 

 

TXD

3

 

3

TXD

 

 

 

 

 

DTR

4

 

4

DTR

 

 

 

 

 

GND

5

 

5

GND

 

 

 

 

 

 

DSR

6

 

6

DSR

 

 

 

 

 

RTS

7

 

7

RTS

 

 

 

 

 

CTS

8

 

8

CTS

 

 

 

 

 

RI

9

 

9

RI

 

 

 

 

 

It is not possible to connect a RS-232C cable and USB cable to the printer at the same time.

The RS-232C serial connector part of this equipment is not Limited Power Source.

Important

For USB interface, the included USB interface cable should be used to ensure compliance with the limits for EMC (Electromagnetic compatibility).

For serial and network interfaces, a shielded interface cable should be used to ensure compliance with the limits for EMC.

Changes or modifications not expressly approved by Brother Industries, Ltd. may affect the performance and print quality, and damage may not be covered under the limited warranty.

Caution for RS-232C connection.

The RS-232C serial connector part of this equipment is not Limited Power Source.