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Fast print speed
Printing a typical courier label takes just one second with virtually instant first label printing.
Durable internal power supply
All printers feature an internal mains power supply to provide the most reliable operation and avoid the problem of external power supplies.
300 dpi resolution
The CL-S631 models are ideal for small labels with 2D matrix barcodes such as Datamatrix, DataBar, QR-Code and PDF417 or printing company logos and idents and CE or WEEE logos.


Technical specifications

Paper width: Variable paper width – 0.5 inches (12.5 mm) – 4.6 inches (118.1 mm)

Paper load: Durable design – Citizen’s proven Hi-Lift™ all-metal mechanism

Printing Speed: Fast print out – 4 inches per second (100 mm per second)

Media support: Large media capacity – holds rolls up to 5 inches (127 mm)

Ribbon options: Wide range of ribbon options – Uses up to 360 metres inside and outside wound ribbons

Paper thickness: Paper thickness up to 0.250mm

Hi-Open™ case for vertical opening, no increase in footprint and safe closing.

No more unreadable labels – the ARCP™ ribbon control technology assures clear prints.

Low space requirement – integrated power supply enables clean work station

Energy: Internal power supply for reliability

Media sensor:
Adjustable media sensor
Black mark sensor
Label gap sensor

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Printing Technology
Thermal Transfer + Direct Thermal

300 dpi

Print Speed (maximum)
4 inches per second (100 mm/s)

Print Width (maximum)
4 inches (104 mm)

Media Width (min to max)
0.5 to 4 inches (12.5 to 118 mm)

Roll Size (max), Core Size
Inside diameter 5 inches (125 mm) External diameter 8 inches (200mm) Core size 1 inch (25mm)

Media Thickness (min to max)
63.5 to 254 μm

Media Length (min to max)
0.25 to 32 inches (6.35 to 812.8 mm)

Media Sensor
Fully adjustable gap, notch and reflective black mark

Main Interface
Triple interface USB and serial built-in plus interface card slot for optional card

Wireless LAN 802.11b and 802.11g standards, 100 metres, 64/128 bit WEP, WPA, up to 54Mbps, Ethernet (10/100 BaseT), Parallel (IEEE 1284 compliant)

Ribbon size
2.9 inches (74mm) maximum outside diameter. 360 metres length. 1 inch (25mm) core

Ribbon winding & type
Ink side in or out, switch selectable. Wax, Wax/Resin or Resin Type

Ribbon system
ARCP™ automatic ribbon tension adjustment

Hi-Lift™ metal mechanism with wide opening head

Control panel
4 buttons and 4 LEDs

Emulations (Languages)
Datamax® I-Class™ & DMX400™, Cross-Emulation™ – automatic switching between Zebra® ZPL-II® and Datamax® I-Class®, DMX400, Zebra® ZPL-II®, BASIC interpreter for data stream processing

Flash (Non-Volatile Memory)
4 MB total, 1 MB available for user

Size (W x D x H) and Weight
231 x 289 x 270 mm, 4.5 Kg

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