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Citizen > 
Item#: N82E16828289049

CITIZEN CL-S521 (CL-S521-GRY) Label Printer

  • Direct Thermal Technology
  • 203 DPI
  • Tear Off
  • USB and Serial Interface
  • Black
  • Email this page
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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 (CL-S521-GRY)


CL-S521 (CL-S521-GRY)


Print Technology
Direct Thermal
Print Speed
6 ips
Max Resolution(B&W)
203 dpi
Flash: 4 MB
Fonts Included
Standard: 11 system bit-mapped fonts including OCR-A, OCR-B, CG Triumvirate, CG Triumvirate bold and a True Type Rasterizer
Barcode Type
Linear Bar Codes: Code 11, Interleaved 2 of 5, Code 39, EAN-8, EAN-13,
UPC-E, Code 93, Code 128, Industrial 2 of 5, Standard 2 of 5, ANSI CODABAR,
2-Dimensional: Code 49, PDF-417, CODABLOCK, UPS Maxi Code, Micro PDF-417,
Data Matrix, QR Code
Tear Off

Media Handling

Media Type
Roll or fanfold, Continuous or perforated, Die-cut labels, tags and tickets


Serial / USB


Print Width: 4.1" (max)
Paper Width (min/max): .077" - 4.65"
Paper Thickness: 0.0025" - 0.01"
Paper Roll Size: 5" (max)
Print Length (min/max): .25" - 32"
Emulations Standard: DPL and ZPL Auto-Sensing
Drivers Windows Drivers: Windows XP / Vista / 7

Dimensions & Weight

9.10" x 11.40" x 7.30"
8.00 lbs.

Package Contents

Package Contents
CL-S521 Label Printer
Software CD

Manufacturer Warranty

2 Year

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Citizen > 
Item#: N82E16828289049
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