Description

Citizen CT-S851III Receipt Printer

The Citizen CT-S851III is a high-performance, front-exit thermal POS printer designed to meet the rigorous demands of the retail and hospitality industries. As the successor to the highly acclaimed CT-S851II, this “Type III” model pushes the boundaries of speed and usability. It is uniquely engineered with a front-loading and front-exit mechanism, making it exceptionally resistant to spills, dust, and foreign objects—ideal for busy restaurant kitchens, bars, and high-traffic retail counters.

Equipped with a customizable, high-contrast LCD display, the CT-S851III provides real-time status updates, error notifications, and easy-to-navigate configuration menus, ensuring that even non-technical staff can maintain peak productivity without downtime.

Key Features

Industry-Leading Speed: Boasts an ultra-fast printing speed of up to 500 mm/sec, significantly reducing customer wait times and streamlining high-volume transactions.
Front-Exit Design: The front paper exit protects the internal mechanism from moisture, crumbs, and debris, making it the preferred choice for hospitality environments.
Customizable LCD Panel: A two-color backlit LCD screen allows for quick setup and provides clear visual alerts for “Paper End,” “Cover Open,” or “Error” status.
Eco-Friendly Performance: Built-in paper-saving functions and ENERGY STAR® compliance help reduce waste and energy costs.
Versatile Connectivity: Comes standard with a USB interface, with modular options for Bluetooth (MFi certified), Ethernet, Wi-Fi, Serial, and Parallel.
Tool-Free Maintenance: Features a snap-in cutter and easy-to-replace print head, allowing for maintenance in seconds without specialized tools.
Spill-Proof & Durable: The disinfectant-resistant housing can be cleaned with standard chemicals, ensuring hygiene in food-service areas.

Technical Specifications

Feature	Specification
Print Method	Direct Thermal Printing
Print Speed	Max. 500 mm/sec (Fastest in its class)
Resolution	203 dpi (8 dots/mm)
Print Width	Max. 80 mm
Media Width	58 mm, 60 mm, 80 mm, 82.5 mm (Adjustable)
Roll Diameter	Up to 83 mm
Standard Interface	USB 2.0 (Built-in)
Optional Interfaces	Ethernet, Bluetooth (MFi), WiFi, Serial (RS-232C), Parallel
Cutter Type	Guillotine (Full and Partial Cut)
Reliability	200 million pulses / 150 km head life; 2 million cuts
Emulation	ESC/POS™
OS Support	Windows, iOS, Android, Linux CUPS, Mac OS X
Dimensions	145 (W) x 192 (D) x 142 (H) mm
Weight	Approx. 1.9 kg (with Internal Power Supply)