Citizen CL-S621II Label Printer
The Citizen CL-S621II label printer is engineered for businesses requiring fast, reliable desktop label printing with exceptional print quality. This direct thermal and thermal transfer printer delivers professional-grade 203 dpi monochrome output at speeds up to 150 mm per second, making it ideal for warehouses, retail operations, logistics centers, and manufacturing facilities. Whether you're printing shipping labels, product barcodes, or compliance tags, the CL-S621II combines precision engineering with user-friendly operation to streamline your labeling workflow in demanding environments.
Key Features
- Dual printing modes: direct thermal and thermal transfer for maximum media flexibility
- Fast print speed: 150 mm per second for high-volume label production
- Sharp 203 dpi monochrome resolution for crisp barcodes and text
- Hi-Lift metal mechanism for simplified media loading and reliable operation
- ARCP anti-wrinkle automatic tensioning system ensures consistent print quality
- Supports roll media up to 11.8 cm (4.65 inches) wide
- USB and serial connectivity for seamless integration
- Compact desktop design suitable for space-constrained environments
- Built for demanding industrial and commercial applications
Technical Specifications
| Specification |
Details |
| Manufacturer |
Strategic Sourcing / Citizen |
| Model |
CL-S621II |
| Part Number |
CL-S621IINNUBK |
| Printer Type |
Direct Thermal / Thermal Transfer Label Printer |
| Print Resolution |
203 DPI (8 dots per mm) |
| Print Speed |
Up to 150 mm/second |
| Maximum Label Width |
11.8 cm (4.65 inches) |
| Color Output |
Monochrome (Black & White) |
| Media Loading |
Hi-Lift Metal Mechanism with ARCP Anti-Wrinkle Tensioning |
| Connectivity |
USB, Serial (RS-232) |
| Form Factor |
Desktop |
| Application |
Barcode labels, shipping labels, product tags, compliance labeling |
Frequently Asked Questions
What is the difference between direct thermal and thermal transfer printing?
Direct thermal printing uses heat-sensitive label material and requires no ink or ribbon, making it cost-effective for short-term labels. Thermal transfer printing uses a ribbon to transfer ink onto labels, providing longer-lasting, more durable results ideal for outdoor or high-temperature applications. The CL-S621II supports both modes, giving you flexibility to choose the best method for your labeling needs.
What print speed does the Citizen CL-S621II achieve?
The CL-S621II delivers print speeds up to 150 mm per second, enabling rapid label production for high-volume operations. This speed combined with 203 dpi resolution ensures both efficiency and print quality for barcode labels and product tags.
Is the CL-S621II suitable for industrial environments?
Yes. The Citizen label printer is specifically designed for demanding environments including warehouses, manufacturing facilities, and logistics centers. Its Hi-Lift metal mechanism and ARCP automatic tensioning system provide reliable performance and consistent print quality even under heavy use.
What media sizes does this thermal printer support?
The CL-S621II supports roll media up to 11.8 cm (4.65 inches) wide, accommodating standard label formats for shipping, barcodes, and product identification. Check your specific label requirements to ensure compatibility.
