Brand: Citizen · Barcode Printer

Citizen CL S6621 Label Printer

Name: Citizen CL S6621 Label Printer
Brand: Citizen

Model: CL-S6621Series: CL-S6600 Series

Citizen CL-S6621 6-inch Barcode Printer 203 dpi — 203 dpi, 6 ips (150 mm/s), Thermal transfer / Direct thermal. The CL-S6621/CL-S6631 are Citizen's 6-inch (168 mm) printers for wide labels — 6 ips, 360 m ribbon with selectable winding, media from 50…

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Overview Key Features Specifications Applications Compatibility Downloads Warranty & Service

The unique CL-S6621 label printer sets a new standard for desktop printing. Smaller and more efficient than any comparable printer, the CL-S6621 offers automatic Cross-Emulation, ensuring easy integration and compatibility with various systems. It also features the advanced Hi-Lift™ Mechanism, enabling fast media loading and ease of use.

Designed for high-volume label printing, the CL-S6621 delivers precise prints and exceptional reliability, making it the perfect solution for tough printing environments.

Compact and Efficient: Half the size of traditional label printers, offering superior space-saving performance.
Automatic Cross-Emulation: Ensures compatibility and seamless integration.
Hi-Lift™ Mechanism: For quick and easy media loading.
Durable Design: Tough plastic case and all-metal printhead ensure long-lasting performance.
High-Speed Printing: Ideal for high-volume and demanding label printing tasks.

Printing
Resolution	203 dpi
Print method	Thermal transfer / Direct thermal
Max. print speed	6 ips (150 mm/s)
Max. print width	6" (168 mm)
Media
Media width	2" – 7" (50 – 178 mm)
Label roll capacity	5" (125 mm) OD roll; 1" – 3" core
Ribbon
Max. ribbon length	360 m; 2.9" (74 mm) max. OD; 1" core (wax, wax/resin, resin; selectable winding)
Memory
RAM	32 MB (1 MB user)
Flash	8 MB (1 MB user)
Connectivity
Interfaces	Dual interface: RS-232C, USB 2.0; optional wireless LAN 802.11b/g, Ethernet 10/100, parallel
Display	4 buttons, 4 LEDs
Physical
Weight	7.9 kg (303 × 290 × 273 mm)
Software
Printer language	Cross-Emulation (auto-switch Zebra ZPL2 / Datamax DMX), Eltron EPL2, CBI BASIC interpreter
Options
Options & accessories	Basic peeler, auto cutter
Warranty
Warranty	2 years on printer; printhead 6 months or 50 km (as published by Citizen)

Specifications based on manufacturer documentation (verified Sep 2026). Subject to change without notice.

Pallet, carton and drum labels, wide shipping labels, GHS labelling.

Compatible Printheads

Citizen CL-S6621 Printhead 203 dpi Verified
Listed by Citizen Systems product documentation (model compatibility); part numbers confirmed with order

Compatibility is listed only where verified against manufacturer documentation. Not sure? Ask us with your printer model.

Datasheet / Specification
Citizen CL S6621 Label Printer.pdf

Download

Warranty

Warranty as per manufacturer terms applicable in India. Contact us for the warranty period of this model.

Service & support

Citizen Sales & Service Support — installation, driver & network setup and calibration available as paid services
Printhead replacement, spare parts and consumables (labels, ribbons)
Annual maintenance contracts (AMC) and on-site / depot service where available

Call +91-9717122688 · E-mail gm@indianbarcode.com