Product Description

The Citizen CL-S521II is a reliable 4-inch industrial desktop direct thermal label printer engineered for high-volume label printing in retail, healthcare, warehousing, logistics, manufacturing, and shipping environments. Built with Citizen's rugged Hi-Lift™ all-metal print mechanism and Hi-Open™ metal case, the CL-S521II delivers exceptional durability while maintaining a compact desktop footprint. It prints at speeds up to 6 inches per second with crisp 203 dpi resolution, making it ideal for barcode labels, shipping labels, inventory tags, shelf labels, and compliance labeling.

The CL-S521II-EPUBK includes Premium Ethernet, USB, and Serial connectivity for seamless integration into networked environments. The CL-S521II-EPUBK-C adds a factory-installed guillotine cutter, making it ideal for continuous media, tags, tickets, and applications requiring automatic cutting.

Key Features

• 4-inch industrial desktop direct thermal printer
• 203 dpi print resolution
• Prints up to 6 ips (150 mm/sec)
• Premium Ethernet (10/100 Base-T)
• USB 2.0 and RS-232 Serial interfaces
• Durable Hi-Lift™ all-metal print mechanism
• Hi-Open™ metal case for easy media loading
• Front paper exit helps protect media from dust and moisture
• Adjustable gap, notch, and black mark media sensors
• Cross-Emulation™ automatically switches between Zebra® ZPL® and Datamax® languages
• Supports Citizen BASIC Interpreter (CBI), ZPL II®, Datamax® DMX, and EPL2®
• ENERGY STAR® certified
• Factory cutter available on CL-S521II-EPUBK-C

Ideal For

• Retail
• Warehousing
• Distribution Centers
• Shipping & Logistics
• Manufacturing
• Healthcare
• Pharmacy
• Inventory Management
• Ticketing
• Asset Tracking

Common Applications

• Shipping labels
• Barcode labels
• Product identification labels
• Shelf labels
• Inventory labels
• Warehouse location labels
• Compliance labels
• Pharmacy labels
• Healthcare specimen labels
• Asset tracking labels
• Ticket printing
• Continuous tags (Cutter Model)

Product Specifications

Available Models

Shopify Variant Structure

Media Handling

• Standard Tear-Off (CL-S521II-EPUBK)
• Auto Cutter (CL-S521II-EPUBK-C)

Resolution

• 203 dpi

Connectivity

• USB + Serial + Premium Ethernet

Connectivity

Both models include:

• USB 2.0
• RS-232 Serial
• Premium Ethernet (10/100 Base-T)

Compatible with Windows®, macOS®, Linux®, and enterprise ERP, WMS, POS, and shipping applications.

Compatible Media

Supports a wide variety of direct thermal media, including:

• Shipping labels
• Barcode labels
• Shelf labels
• Inventory labels
• Product labels
• Asset labels
• Compliance labels
• Pharmacy labels
• Healthcare labels
• Continuous media
• Die-cut labels
• Tags and tickets (especially with cutter model)

Why Choose the Citizen CL-S521II?

The Citizen CL-S521II is designed for businesses that need dependable, high-performance desktop label printing with enterprise networking capabilities. Its rugged metal construction, multiple printer language emulations, and Premium Ethernet connectivity make it easy to integrate into existing workflows. The cutter-equipped model further enhances productivity by automatically cutting labels or tags for high-volume operations.

Benefits

• Fast 6 ips printing for increased productivity
• Durable all-metal construction for long service life
• Easy integration with Zebra®, Datamax®, and EPL printer environments
• Reliable network printing with Premium Ethernet
• Compact footprint for desktop installations
• Automatic cutting available for tickets and continuous media

Industries Served

• Retail
• Warehousing
• Distribution
• Manufacturing
• Healthcare
• Pharmacy
• Transportation
• Logistics
• Government
• Asset Management

What's Included

CL-S521II-EPUBK

• Citizen CL-S521II Printer
• Power Cable
• USB Cable (if supplied by distributor)
• Quick Start Guide

CL-S521II-EPUBK-C

• Citizen CL-S521II Printer
• Factory-Installed Guillotine Cutter
• Power Cable
• USB Cable (if supplied by distributor)
• Quick Start Guide