Citizen CL-E331 User Manual

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2. Network status indicator
Status LED (amber)
Connecting On
Disconnected Off
Exchanging data Flashes
Serial Interface
Interface Specications
Transfer method Start-stop synchronization method, full-duplex com-
munication
Signal level RS-232C
Baud rates 2400, 4800, 9600, 19200, 38400, 57600,
and 115200 bps
Data length 7 bits or 8 bits
Stop bits 1 bits or 2 bits
Parity Even, odd, or none
Interface 9-pin D-SUB female connector
Signal Line/Pin Assignment
Signal code Signal Pin No. Function
INIT Reset 1 Reset printer signal line
RXD Receive data 2 Signal line used by printer
to receive data from exter-
nal devices
TXD Transmit data 3 Signal line used by printer
to send data to external
devices
DTR Data terminal ready 4 Signal line used by printer
to notify external devices
that printer is ready to
communicate
SGND Signal line ground 5 Signal line ground refer-
ence
DSR Data set ready 6 Signal line used by
external devices to notify
printer that they are ready
to communicate
RTS Request to send 7 Signal line used by printer
to notify external devices
that the printer is read to
receive data
CTS Clear to send 8 Signal line used by
external devices to notify
printer that they are ready
to receive data
VCC +5 V 9 (Factory use only)

Citizen CL-E331 Specifications

General

Product color	Black
Print technology	Thermal transfer
Printing media thickness	63.5 - 190 µm
Sustainability compliance	Yes
Sustainability certificates	CE, Federal Communications Commission (FCC), TUV, UL ECOLOGO, VCCI
Display	-
Control type	Buttons
Color	No
Maximum resolution	- DPI
Printable dot numbers	300 dot
Ribbon width	60 mm
Core diameter	25 mm
Ribbon length	300 m
Media thickness	0.150 mm
Maximum label width	118 mm
Maximum media length	1625.6 mm
Maximum roll diameter	125 mm
RS-232 ports	1
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Flash memory	16 MB
Internal memory	32 MB
Built-in barcodes	CODABAR (NW-7), Code 128 (A/B/C), Code 39, Code 93, EAN13, EAN8, GS1 DataBar, ITF, PDF417, QR Code, UPC-A, UPC-E
Server operating systems supported	Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022
Windows operating systems supported	Windows 10, Windows 11, Windows 7

Weight and Dimensions

Depth	266 mm
Width	178 mm
Height	173 mm
Weight	2600 g
Label width	104 mm