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Item#: 9SIA8H531C6338

Citizen CL-S521-EC-GRY CL-S521 Direct Thermal Printer

Ships from United States. Most customers receive within 6-10 days.

Sold and Shipped by Compute4Less Corp a-seller

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Marketplace Seller
  • Direct Thermal Technology
  • 203 DPI
  • Auto-Cutter
  • USB, Serial, and Ethernet Interface
  • Black

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


The CL-S521 Direct Thermal Printer combines robust printing with superior price-performance, ease-of-use, and precision engineering. You'll love Citizen's unique metal Hi-Lift™ print mechanism, allowing for quick media loading while an adjustable sensor easily handles a variety of media and label configurations including standard and pediatric medical wristbands.


The powerful on-board 32-Bit RISC processor delivers exceptional throughput and fast first label out. If that weren't enough, the CL-S521 features complete connectivity, with serial, and USB interfaces, or choose optional internal Ethernet, WiFi, or Parallel.


  • Available in Grey and 300 DPI (CL-S531)
  • Wireless LAN option available (Model Number OPT-797)
  • Zebra® and Datamax® auto-sensing emulation detection
  • Powerful 32-Bit RISC processor
  • 300dpi printing for images or fine text (CL-S531)
  • Standard and pediatric medical wristband capable
  • Metal Hi-Lift™ print mechanism
  • Standard internal serial and USB interfaces
  • Internal Parallel, Ethernet, and wireless LAN networking options
  • Internal 5-inch (125mm) media capacity
  • Ships with Windows™ 2000, XP, Vista, and Windows 7 drivers
  • Internal power supply
  • Label-making software included


Model CL-S521
Printing Method Direct thermal
Printing Width 104mm max.
Minimum Print Length 0.25 inches (6.35mm)
Maximum Print Length 32 inches (812mm)
Media Width 0.77 - 4.65 inches (19.5 - 118mm)
Printing Speed 6 inches per second max.
Resolution 203dpi
Barcode Types Code 3 of 9, UPC-A, UPC-E, Interleaved 2 of 5, Code128, EAN-13, EAN-8, HIBC, CODABAR (NW-7), Plessey, Int 2 of 5, CASE CODE, Code93, ZIP, UPC2DIG ADD, UPC5DIG ADD, UCC/EAN128(for K-MART), RandomWeight, Telepen, FIM, UPS MaxiCode, PDF417, Data Matrix, and QR code
Paper Thickness: 0.0025 - 0.01 inches (0.0635 - 0.254mm)
Outer Diameter: 5 inches (127mm) ø Max
Paper Core Diameter: 1 - 3 inches (25.4 - 76mm)
Interface Standard interface: RS-232C and USB (USB1.1)
Optional: LAN and Parallel (IEEE1284-ECP / Centronics compatible)
Fonts 9 Fixed pitch; 2 proportional font
Buffer Size 512KB
Options Auto-cutter, peeler, LAN interface board, and Parallel interface board
Power source 100 ~ 120, 200 ~ 240VAC | 50 / 60Hz
Weight (Approx.) 8lbs (3.6kg)
Outer Dimensions
(W x D x H)
9.1 x 11.4 x 7.3 inches (231 x 289 x 186mm)
Reliability MCBF 621 miles (1000km), Printhead 31 miles (50km)
Safety Standards UL, C-UL, FCC: class A, CCC, CE Marking

Learn more about the Citizen CL-S521-EC-GRY




Print Technology
Printer Type
Max Resolution(B&W)
203 dpi
16 MB

Media Handling

Media Type


Ethernet / Serial / USB

Package Contents

Package Contents
CL-S521 Label Printer
Software CD
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details
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  • New : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty.
  • Refurbished : This means the product was tested and repaired as required to meet the standards of the refurbisher, which may or may not be the original manufacturer. Any exceptions to the condition of the item outside the manufacturer’s information should be provided in the listing, up to and including warranty details.
  • Open Box : Newegg only guarantees your receipt of the Open Box product with the purchase of this item. Any accessories MAY OR MAY NOT be included. Newegg will NOT send you any missing accessories, even if it is required to use all of the item’s functions.
  • Used - Like New : This means that the product has been opened, possibly used but is in perfect condition with no signs of cosmetic or functional defect. Product includes warranty, and accessories found with the original product. Product may or may not be in the original packaging. Returned items with minor packaging defects fall under this category.
  • Used - Very Good : This means that the product has been opened, may show slight signs of use and cosmetic blemish, and may be missing minor accessories, but remain in excellent condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Good : This means that the product has been used, may show clear signs of use and may be missing minor accessories, but remain in good condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Acceptable : This means that the product shows clear signs of use, cosmetic defect, and may be missing minor accessories and manual, but remain in working condition. Product does not come with warranty unless stated otherwise in product description. Functionality issues beyond signs of use should be disclosed in product description.
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