The Citizen CL-S521 is a reliable 4-inch direct thermal desktop label printer designed for retail, logistics and warehouse applications. With a 203 dpi (8 dots/mm) resolution, it delivers clear barcode, shipping and product labels for everyday business use.
Supporting media widths up to 104 mm and print speeds of up to 150 mm per second, the CL-S521 is suitable for standard 4-inch label formats and medium-volume printing environments.
The printer features dual interface connectivity via USB and RS232, allowing easy integration into POS systems and warehouse management platforms. It supports EPLII, ZPLII and Datamax emulation for broad compatibility with existing label software.
Supplied with EU power cable (interface cable available separately), the Citizen CL-S521 offers a dependable and cost-effective direct thermal labelling solution for professional applications.







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