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Citizen CLP631ZG 300 dpi Dark Gray Label Printer With ZPL Emulation

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The powerful CLP-631 provides users with unparalleled features in the desktop thermal printer class. With crisp 300 dpi printing for images or fine text and an unprecedented 360-meter ribbon for greater productivity and reduced downtime the CLP-631 is a high-performance printer built for the desktop environment. Citizen's unique metal Hi-Lift™ mechanism allows easy access for loading of media and/or ribbons and the adjustable media sensor can handle a wide variety of label configurations including standard and pediatric medical wristbands. The powerful on-board 32 Bit RISC processor delivers exceptional throughput and fast first label out. The CLP-631 comes standard with internal parallel, serial, and USB interfaces. Optional Ethernet and Wifi interfaces are also available.
Main Features :
  • Thermal Transfer Technology
  • Build in power supply
  • High Speed printing, up to 4 inches/sec
  • ZPL® command emulation available on the CLP631Z
  • Heavy duty Metal Clam Shell Printer
  • Easy Label Loading
  • Active Ribbon control and positioning
  • Bar-code Printing
  • Equipped with Parallel, RS232 & USB Interfaces
  • Easy Printing operations
  • VuePrint™ Menu
  • Tear of Mode
  • Also available in 300dpi (CLP631)
  • Factory options: Auto cutter, Label Peeler


CITIZEN CLP631-Brochure (clp-631.pdf, 479 Kb) [Download]


Printing Method

Thermal Transfer or Direct Thermal Printing

Printing Speed (Max.)

up to 100 mm/sec (4 inches/sec)

Print Density

Adjustable with software


1 Scalable, 8 Bitmap, OCR-A & B

True type Download

Supported Standard

Media Type

Roll or Fanfold; Continues or Perforated; die cut labels; Tags & Tickets

Media Sensing

Label Gap, notch or reflective

Resolution/Dot pitch

CLP631: 300 dpi, 10 dots/mm

Media width (Min-Max)

19 - 118 mm

0.75 - 4.65 inches

Media Roll Size (Max)

125 mm, 5 inches (Internal); External media supply path available

Media Thickness


0.0635 - 0.254 mm

0.0025 - 0.01 inches

Printing width (Max)

104 mm

4.1 inches

Printing lenght (Max)

812 mm

32 inches

Ribbon Type

Wax, Wax-Resin or Resin

Ribbon winding

Inside or out

Ribbon Length (Max)

Approx. 360 m

Ribbon size Ø

74 mm

Ribbon core size Ø

25.4 mm

Bar-code Symbologies

Code3of9,UPC-A,UPC-E,Interleaved2of5, Code128, EAN-13, EAN-8, HIBC, CODABAR(NW-7), Plessey, Int2 of 5, CASE CODE, Code93, ZIP, UPC2DIG ADD, UPC5DIG ADD, UCC/EAN128(for K-MART), RandomWeight, Telepen, FIM, UPS MaxiCode, PDF417, Data Matrix, and QR code.

Standard Interface


IEEE1284 (Compatible, Nibble, ECP Mode)


RS232C, Baudrate from 2400-115200


Full Speed USB1.1

Optional Interfaces

Ethernet Lan 10/100

WiFi, Wireless LAN



8 Mb, 0.5Mb available for user

Flash Memory

2 Mb, 0.5Mb available for user


4.5 Kg

External Dimensions

(W x D x H)

231 x 289 x 270 mm

Operating temp. range

0 to 40 ºC, Humidity 30 to 80%

Storage temp. range

-20 to 60 ºC, Humidity 5 to 85%


EN60950, EN55022 (Class A), EN55024, EN61000-3-2, EN61000-3-3


220-240V (-10~+6%), 1.2A, 50/60Hz