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Citizen CL-S521II-EPUBK-C Direct Thermal Barcode Label Printer with Ethernet, USB & Auto Cutter
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Citizen CL-S521II-EPUBK-C Direct Thermal Barcode Label Printer with Ethernet, USB & Auto Cutter

Citizen CL-S521II-EPUBK-C Direct Thermal Barcode Label Printer with Ethernet, USB & Auto Cutter

Name: Citizen CL-S521II-EPUBK-C Direct Thermal Barcode Label Printer with Ethernet, USB & Auto Cutter
Brand: Citizen
SKU: DS-CL-S521II-EPUBK-C

Brand Citizen

Model Number CL-S521II-EPUBK-C

EpicRise Warranty First Year

Product Highlights

• 203 DPI direct thermal printing at 6 inches per second delivers fast label output for high-volume shipping and inventory operations

• Premium Ethernet, USB, and serial connectivity with ZPL2, Datamax, and EPL2 emulation ensures compatibility with existing systems

• All-metal Hi-Lift mechanism and integrated auto cutter handle labels and wristbands up to 4.6 inches wide with minimal maintenance

• 32-bit RISC processor provides instant first label printing and processes typical courier labels in just one second

• Vertical Hi-Open case design enables quick media loading without increasing desktop footprint or requiring lateral clearance

Overview
Specifications
FAQ
User Guides
Reviews

The Citizen CL-S521II-EPUBK-C is an industrial desktop label printer engineered for enterprise environments requiring reliable, high-speed barcode and label production. This direct thermal printer combines 203 DPI resolution with 6 inches per second printing speed to handle demanding workflows in shipping, receiving, inventory management, and healthcare identification applications. The premium network-enabled model features Ethernet connectivity alongside USB and serial interfaces, making it suitable for networked environments where multiple workstations need shared printing access.

Built on Citizen's proven Hi-Lift all-metal print mechanism, the CL-S521II accommodates media widths from 0.5 to 4.6 inches and supports roll capacities up to 5 inches in diameter. The integrated auto cutter eliminates manual label separation, while onboard ZPL2, Datamax, and EPL2 emulations ensure drop-in compatibility with existing label design software and ERP systems. A powerful 32-bit RISC processor delivers virtually instant first label output, reducing wait times in time-sensitive operations. The vertical Hi-Open case design allows operators to reload media quickly without disrupting the printer's desktop footprint.

Best For

The CL-S521II-EPUBK-C serves enterprise operations requiring networked label printing with auto-cut functionality across multiple applications:

- Distribution center shipping: Print compliance labels, packing slips, and carrier-specific barcode labels at 6 IPS to keep pace with high-volume fulfillment

- Healthcare specimen tracking: Generate patient wristbands and specimen labels with precise 203 DPI barcodes for laboratory and pharmacy workflows

- Retail inventory management: Produce shelf tags, price labels, and asset identification tags with instant first label output for floor staff efficiency

- Manufacturing work-in-process: Create durable direct thermal labels for production tracking, quality control, and parts identification in industrial environments

- Multi-station warehouse operations: Deploy as networked printers via Ethernet for shared access across receiving, put-away, and picking workstations

Key Features

- 203 DPI direct thermal printing technology produces crisp 1D/2D barcodes, text, and graphics without ribbon consumables

- 6 inches per second maximum print speed with instant first label output processes typical courier labels in one second

- Premium Ethernet interface supports up to 1 Gbps network speeds for integration into enterprise print server environments

- Onboard ZPL2, Datamax, and EPL2 emulations plus CBI BASIC Interpreter enable compatibility with legacy and current label software

- All-metal Hi-Lift mechanism with adjustable sensor handles standard labels, specialty tags, and pediatric/adult medical wristbands

- Integrated auto cutter automatically separates labels for walk-up printing without manual tearing or waste

- Variable media width support from 0.5 to 4.6 inches accommodates shipping labels, retail tags, and asset identification formats

- 32-bit RISC processor with internal power supply eliminates external adapters and delivers reliable high-throughput performance

Quick Specs

Print Method	Direct Thermal
Resolution	203 DPI
Print Speed	6 inches per second (maximum)
Print Width	104 mm (4.1 inches) maximum
Media Width	0.5 to 4.6 inches (variable)
Media Capacity	Up to 5 inches roll diameter
Connectivity	Premium Ethernet (1 Gbps), USB, Serial
Emulation	ZPL2, Datamax, EPL2, CBI BASIC Interpreter
Processor	32-bit RISC CPU
Cutter	Integrated auto cutter (included)
Barcode Support	Code 39, UPC-A/E, Interleaved 2 of 5, Code 128, EAN-13/8, CODABAR, UCC/EAN128, PDF417, Data Matrix, QR Code, MaxiCode, and more
Print Mechanism	Durable all-metal Hi-Lift design
Case Design	Vertical Hi-Open (no footprint increase when open)
Power Supply	Internal mains power supply
Weight	10.55 lbs
Color	Gray casing
Model Code	CL-S521II-EPUBK-C (E=Ethernet Premium, U=USB, BK=Black/Gray, C=Cutter)

Product Details
Color	Gray
Connection Type	Ethernet, USB

What types of operations is the Citizen CL-S521II-EPUBK-C best suited for?

The CL-S521II-EPUBK-C is designed for enterprise environments requiring networked label printing with auto-cut functionality. It excels in distribution center shipping, healthcare specimen tracking, retail inventory management, and manufacturing work-in-process applications where multiple workstations need shared printer access. The Ethernet connectivity and 6 IPS speed make it suitable for high-volume operations that cannot tolerate print queue delays.

How does the CL-S521II-EPUBK-C compare to other models in the Citizen CL-S521 series?

The EPUBK-C configuration includes Premium Ethernet with 1 Gbps speeds, USB, serial interfaces, and an integrated auto cutter in a gray casing. Entry-level CL-S521II models offer fewer connectivity options and no cutter. The Premium Ethernet version provides faster network throughput than standard Ethernet models, making the EPUBK-C appropriate for networked environments with heavy print traffic where auto-cutting eliminates manual label separation.

Is the CL-S521II-EPUBK-C worth the investment compared to lower-cost thermal printers?

The CL-S521II justifies its industrial-grade pricing through an all-metal Hi-Lift mechanism rated for higher duty cycles than plastic-chassis desktop printers. The 32-bit RISC processor delivers instant first label output that reduces operator wait times in time-sensitive workflows. Onboard ZPL2, Datamax, and EPL2 emulations eliminate the need for third-party software or middleware in many deployments, lowering total cost of ownership for enterprises with existing label management systems.

What systems and software is the CL-S521II-EPUBK-C compatible with?

The printer supports ZPL2, Datamax, and EPL2 emulations, providing compatibility with most enterprise label design software, WMS systems, and ERP platforms that use these industry-standard languages. Premium Ethernet, USB, and serial interfaces enable connection to Windows, Linux, and network print servers. The CBI BASIC Interpreter allows custom programming for specialized applications. Standard network protocols ensure integration into existing IT infrastructure without proprietary middleware.

What types of labels and media can the CL-S521II-EPUBK-C handle?

The printer accepts direct thermal media from 0.5 to 4.6 inches wide with roll capacities up to 5 inches in diameter. The adjustable sensor and Hi-Lift mechanism accommodate standard shipping labels, retail price tags, inventory labels, asset identification tags, and both standard and pediatric medical wristbands. Maximum print width is 104 mm (4.1 inches), suitable for most courier and compliance label formats.

How fast does the CL-S521II-EPUBK-C print compared to typical desktop label printers?

The printer operates at a maximum speed of 6 inches per second with virtually instant first label output. Citizen states that typical courier labels print in just one second from print command to finished label. The 32-bit RISC processor eliminates processing delays common in slower desktop models, making it suitable for high-volume workflows where print throughput directly impacts operational efficiency.

Does the auto cutter require maintenance or replacement parts?

Citizen documentation confirms the CL-S521II-EPUBK-C includes an integrated auto cutter, but specific maintenance intervals and replacement blade part numbers are not detailed in the available product literature. Cutter maintenance requirements and consumable costs should be confirmed with Citizen support or the printer's user manual for accurate total cost of ownership planning.

What is the expected lifespan and duty cycle rating of the CL-S521II-EPUBK-C?

Citizen emphasizes the durable all-metal Hi-Lift mechanism and internal power supply as indicators of industrial-grade construction, but specific duty cycle ratings (labels per day) or MTBF figures are not published in the available product documentation. The industrial desktop classification suggests higher durability than consumer-grade printers, but precise operational limits should be verified with Citizen technical specifications.

~~$981.75~~
Regular price: $646.78
Sale price: $646.78
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