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STEP 1 Before using the printer
18
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)
• 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.
Using Interface Cable
6
Signal
Name
Pin
Number
Pin Assignments
Pin
Number
Signal
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