Barcode Printers


The desktop printer that makes life easy

The CL-S621 is a precision engineered, fast and easy-to-use unit that includes all the capabilities of the CL-S521 plus the option to print in both direct thermal and thermal transfer modes. The printer also features Citizen’s Hi-Lift™ metal mechanism and the innovative ARCP™ anti-wrinkle and automatic tensioning system.

  • Cross-Emulation™ enables automatic recognition of Zebra®, ZPL® and Datamax®
  • Internal Power Supply
  • Easy media loading


Key Benefits
  • Front exit – prevents damage from moisture or foreign objects
  • Variable paper width – 0.5 inches (12.5 mm) – 4.6 inches (118.1 mm)
  • Durable design – Citizen’s proven Hi-Lift™ all-metal mechanism
  • Paper thickness up to 0.250mm
  • Fast print out – 4 inches per second (100 mm per second)
  • Large media capacity – holds rolls up to 5 inches (127 mm)
  • Wide range of ribbon options – Uses up to 360 metres inside and outside wound ribbons
  • Hi-Open™ case for vertical opening, no increase in footprint and safe closing.
  • Low space requirement – integrated power supply enables clean work station
  • No more unreadable labels – the ARCP™ ribbon control technology assures clear prints.
  • Triple interface USB and serial built-in plus interface card slot for optional card from list below.
  • Serial
  • Parallel
  • USB
  • LAN
  • WiFi
Operating Systems
  • Windows XP, Vista, Windows 7 & 8
  • Windows Server 2003, 2008R2 and 2012
  • Linux and Mac OS/X
  • Cross-Emulation™ – Automatically switch between Zebra® ZPL® and Datamax®
  • BASIC Interpreter – for data stream processing
Accessories And Options
  • Auto cutter
  • Peeler
Typical Application
  • Courier
  • Logistic / Transport
  • Manufacturing
  • Retail


Models CL-S621
Technology Thermal Transfer and Direct Thermal
Resolution 203 dpi (8 dots per mm)
Emulation (Languages) Datamax® I-Class™ & DMX400™, Zebra® ZPL-II®.
Cross-Emulation™ automatic detection. BASIC interpreter for data steam processing.
Print Speed (maximum) 4 inches per second (100 mm/s)
Print Width (maximum)
Media Width (min to max)
Media Thickness (min to max)
Media Sensor
4.10 inches (104.1 mm)
0.50 inches to 4.65 inches (12.5 mm to 118.1 mm)
0.0025 - 0.01 inches (0.0635 - 0.254 mm)
Fully adjustable with label gap, card notch and black registration mark.
Media Length (min to max) 0.25 inches to 64.00 inches (6.35 mm to 1625.6 mm)
Roll Size (max), Core size Internally: 5 inches (125 mm) diameter. Externally 8 inches with optional holder. Core size: 1 inch (25mm)
Ribbon Size
Ribbon Winding & Type
Ribbon System
2.9 inches (74 mm) maximum diameter, 360 meter length, 1 inch cores
Ink side in or out. Wax, Wax/Resin or Resin Type
ARCP™ automatic ribbon tension adjustment
Standard Interfaces
Optional Interfaces
Serial (RS-232C), USB (version 1.1)
Parallel (IEEE-1284), Ethernet (10/100 BaseT), Wireless LAN (802.11b, g, n*)
Case, Mechanism & Panel Hi-Open™ plastic case with safe close. Hi-Lift™ metal mechanism. Control Panel: 4 buttons and 4 LEDs
RAM (Standard Memory)
Flash (Non-Volatile Memory)
16.0 Mb total, 1.0 Mb available for user
4.0 Mb total, 1.0 Mb available for user
Windows® drivers and software Free-of-charge on CD including design software supporting Windows®, XP®, 2003, 2008, Vista™, Windows 7
Size (W x D x H) and Weight 231 x 289 x 270 mm, 4.5 Kgs
Printer, Head Warranty 2 Years on Printer, 50 Kms or 6 months on printhead

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