Citizen CT-S251 Receipt Printer Thermal, 300 mm/s, WiFi, Ethernet, 57.5 ±0.5 mm

The Citizen SwiftPrint 251 (Citizen CT-S251) is a compact, high-performance direct thermal receipt printer engineered for point-of-sale and service environments where speed, reliability and space efficiency matter. Designed for retail, hospitality, kiosks and mobile POS integrations, the CT-S251 series delivers crisp 203 dpi output and class-leading throughput to keep queues moving while producing legible text, logos and barcodes. Multiple connectivity options—including USB, Ethernet, Bluetooth and Wi‑Fi as available across variants—allow straightforward integration with iOS, Android and Windows systems. With a small desktop footprint, front-exit paper handling and options such as built-in cutter, drawer kickout and ENERGY STAR certification on select models, the SwiftPrint 251 balances performance, flexibility and low total cost of ownership.

Key Features

• Fast printing: Up to 300 mm/s throughput for rapid transaction processing and reduced customer wait times.
• High-quality output: 203 dpi direct thermal printing delivers clear receipts, sharp barcodes and reliable logo reproduction.
• Flexible connectivity: USB, Ethernet, Bluetooth and Wi‑Fi options across variants enable easy integration with a wide range of POS systems and mobile devices.
• Compact, user-friendly design: Small desktop footprint with front-exit paper path for simple media loading and neat counter placement.
• POS-ready features: Options include built-in cutter, drawer kickout and included power supply on certain SKUs to simplify deployment.

Specifications

• Print Method: Direct Thermal
• Print Resolution: 203 dpi
• Print Speed: 300 mm/s
• Print Width: 2 in (54 mm)
• Maximum Media Width: 58 mm
• Maximum Roll Diameter: 83 mm
• Connectivity: USB; Ethernet; Bluetooth; Wi‑Fi; Serial/RS-232 (availability varies by variant)
• Built-in Cutter: Yes (available on selected models)
• Drawer Kickout: Supported on selected variants
• Interfaces: RS-232, USB, Ethernet (variant-dependent)
• Supported Operating Systems: iOS, Android, Windows (as indicated for some variants)
• Color Options: White, Black (depending on SKU)
• Weight: 1.2 kg (example variant)
• Dimensions (W x D x H): 108 x 165 x 108 mm (example variant)
• Power Supply: Built-in or external depending on variant; some models include power supply
• Dot Density: 8 dots/mm (specified for some variants)
• Supported Barcodes: UPC, EAN, Code39, Code128, QR Code, PDF417, GS1 Databar (listed in variant specifications)