High-speed Citizen CL-S621II 4″ thermal label printer, 203 dpi, 150 mm/s, USB/Serial/Ethernet. Reliable, compact—shop NEOTECH UAE today!
Overview
The Citizen CL-S621II combines desktop convenience with industrial-grade performance. Its compact footprint and tool-free media loading make it perfect for space-constrained counters, while up to 150 mm/s (6 ips) throughput ensures fast, high-quality label output.
Product Description
Built for nonstop labeling, the CL-S621II features a rugged, steel-reinforced housing and a precision Seiko print head at 203 dpi. Drop-in label rolls in seconds—no tools needed—and an optional cutter delivers clean, professional edges. Standard USB 2.0, RS-232 Serial and Centronics Parallel ports integrate with legacy systems; add the optional 10/100 Ethernet for networked deployments. With 4 MB Flash and 8 MB SDRAM, it handles complex barcodes, graphics and software emulations without lag.
Key Features
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High Throughput: Up to 150 mm/s (6 ips) at 203 dpi
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Direct-Thermal Printing: No ribbon, minimal maintenance
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Tool-Free Loading: Drop-in media changes in under 10 s
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Optional Guillotine Cutter: Full- and partial-cut modes
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Compact Footprint: 186 × 177 × 254 mm saves counter space
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Versatile I/O: USB 2.0, RS-232, Centronics Parallel; Ethernet optional
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Robust Design: Steel-reinforced cover and frame for durability
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Ample Memory: 4 MB Flash, 8 MB SDRAM for complex label formats
Specifications
| Attribute |
Details |
| Print Method |
Direct Thermal |
| Max Print Width |
104 mm (4.1″) |
| Resolution |
203 dpi |
| Speed |
Up to 150 mm/s (6 ips) |
| Media Roll Ø |
≤ 127 mm |
| Core Ø |
25.4–38.1 mm |
| Memory |
4 MB Flash, 8 MB SDRAM |
| Interfaces |
USB 2.0, RS-232 Serial, Centronics Parallel; 10/100 Ethernet optional |
| Dimensions (W×D×H) |
186 × 177 × 254 mm |
| Weight |
3.1 kg |
| Power |
24 V DC via external adapter |
Supported OS / Applications / Industries
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OS: Windows, macOS, Linux (CUPS)
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Software: BarTender®, NiceLabel™, ZPL emulation
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Use Cases: Shipping labels, product tags, compliance stickers
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Industries: Logistics, manufacturing, retail, healthcare, government
Benefits & Compatibility
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Seamless Integration: Plug-and-play with major label-design and ERP/WMS systems
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Reduced Downtime: Quick media swaps and self-diagnostics speed upkeep
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Space-Saving Design: Small footprint ideal for crowded workstations
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Scalable Networks: Optional Ethernet module supports multi-printer setups
Purpose of Use
Designed for high-volume label production—from shipping and inventory tags to compliance and barcode labels—delivering accuracy and efficiency in any professional setting.
How to Use
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Mount & Power: Position on desk; connect the 24 V adapter.
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Load Media: Lift top cover; drop in roll; close cover.
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Connect: Plug into USB/Serial or install Ethernet module.
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Calibrate: Press feed button for auto-calibration.
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Print: Send label jobs from your host software; use cutter if installed.
Pro Tip: Store frequently used label formats in printer memory for instant recalls.
Packaging / Weight / Dimensions
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Includes: CL-S621II unit, AC adapter, USB cable, quick-start guide
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Box Dimensions: 280 × 230 × 340 mm
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Gross Weight: 4.2 kg
Warranty and FAQs
Warranty: 1 year parts and labor.
FAQs:
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Can I add a cutter? Yes, install the optional guillotine cutter module.
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Does it support linerless media? No, direct-thermal only.
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Which emulations are supported? ZPL, EPL and citizen SLCS™.
Performance, Quality, Durability, and Reliability
Rated for 50 km of media life and 1 million cuts. Operates reliably from 5 °C to 40 °C. Steel-reinforced chassis withstands dust, debris and occasional bumps.
Best Price Guarantee
Found a lower official price on the CL-S621II? We’ll match it—shop with confidence at NEOTECH across the UAE.
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After Sales Support
From setup to troubleshooting, our tech team is on call via email, phone or live chat. We’ve got your back post-purchase.
Get in Touch
Need advice on media selection or network setup? Contact our print experts for personalized recommendations and fast replies.
Stock Availability
Stocks update daily. For urgent orders, confirm availability before checkout. Bulk requests may need 10–15 business days.
Disclaimer
All details are for general informational purposes and may change without notice. Images are illustrative. Verify specs and pricing with our sales team before ordering.
