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Citizen CT-S310II-U-BK CT-S310II POS Thermal Receipt and Barcode Printer
- The industry-leading CT-S310II is a compact and advanced receipt and bar code printer; featuring an ENERGY STAR power supply, paper-save function, halogen-free housing and packaging produced from recycled materials, the CT-S310II is truly environmentally friendly; with an easy maintenance cutter and patented long life printing (LLP) technology, capable of extending print life to over 200 km, the CT-S310II offers the ultimate combination of performance and energy efficiency
- High speed 160 mm / sec. printing
- Choice of paper widths
- Extensive range of advanced functions
- Top exit - ideal for all retail applications
- Prompt print out of receipts - up to 160 mm per second
- Futureproof investment - 2 built-in interfaces: serial and USB
- Flexible cutting - full or partial
- Easy notification - built-in buzzer
- Integrated power supply enables clean work station
- ENERGY STAR compliant
- Print, Sleep and Standby modes
- 3 different paper saving modes
- Long Life Print (LLP)
- Halogen free housing
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Overview
Specs
Reviews (5)
Citizen CT-S310II Thermal Receipt Printer
The new Citizen CT-S310II receipt printer is a green step forward towards reducing negative impact on the environment and it is ENERGY STAR® Qualified. We invite you to take advantage of its benefits including lower cost for more features, lower power consumption and excellent paper savings.Environmentally Friendly
From production and packaging to utilization and recycling the CT-S310II fulfills today's demand for green IT products. Global warming, sustainability, as well as living and being green are on the minds of people everywhere. Reducing the amount of paper used and wasteful power consumption is a big factor in reducing global warming. Citizen Systems new CT-S310II receipt printer reduces power consumption by up to 45% and has a save paper function which can save up to 20% of receipt paper. The Citizen CT-S310II is ENERGY STAR® Qualified, helping reduce a shop keeper's or a restaurant's carbon footprint.Built-in Power Supply
The built-in ENERGY STAR® power supply is most efficient at managing power consumption. Eliminates unsightly power "brick" and frees up space.Dual Interface
With a USB and serial interface on board, the CT-S310II is a future-proof investment.Tool-free Maintenance
Paper jam? No problem. The CT-S310II comes with the same intelligent service features as Citizen's high-end printers. The easily removable auto cutter and printer head make for quick and easy maintenance.Long Life Print
The new LLP functions can extend the print head life to 200km or more.
Features
- Low Power consumption
- Standby mode (lowest in its class)
- ENERGY STAR compliant
- Save-paper function
- Halogen-free housing
- Long-life head mode (300km)
- Cutter jam release function
- Longer cutter life delivers lower maintenance costs
- Greater reliability delivers longer life & lower maintenance costs
- Easy maintenance
- Packaging is made from recycled materials and is recyclable
- USB standard meets market standardization requirements
- 2D bar code support allows wider applications
- Built in buzzer provides audible alert without adding extra cost devices
- Printer drivers included are: Windows XP and 7 (32- and 64-bit), Java POS, OPOS and CUPS
Applications
- Receipt
- Coupon
- Tickets
- Daily Report
- Kitchen
- Delivery Slip
- Weigh Scales
- Kiosks
Specifications
| Model | CT-S310II | ||||||||||||||||||
| Printing method | Line thermal dot print method | ||||||||||||||||||
| Print width | 72mm / 576 dots, 64mm / 512 dots, 52.5mm / 420 dots, 48mm / 384 dots, 45mm / 360 dots, 48.75mm / 390 dots, 68.25mm / 546 dots | ||||||||||||||||||
| Dot density | 203 dpi (8 × 8 dots per mm) | ||||||||||||||||||
| Printing speed | Max. 160mm/sec 1280 dots lines/sec. (fastest, print density 100%) | ||||||||||||||||||
| Number of print columns |
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| Character size (W × H) |
Font A: 1.50 × 3.00mm Font B: 1.13 × 3.00mm Font C: 1.00 × 2.00mm |
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| Character type | Alphanumeric, International, PC437 / 850 / 852 / 857 / 858 / 860 / 863 / 864 / 865 / 866 / WPC1252 / Katakana / Thai code 18 | ||||||||||||||||||
| User memory | 384Kb (capable of storing user-defined characters and logos) | ||||||||||||||||||
| Barcode type | UPC-A/E, JAN(EAN) 13/8 columns, ITF, CODE 39, CODE 128, CODABAR (NW-7), CODE 93, PDF417, QR Code, GS1-DataBar | ||||||||||||||||||
| Line spacing | 1/6 inch (4.25mm) (changeable using commands) | ||||||||||||||||||
| Paper roll |
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| Interface | USB, Serial (RS-232C compliant) | ||||||||||||||||||
| Cash drawer kick-out | Supports 2 cash drawers | ||||||||||||||||||
| Buffer size | 4K bytes / 45 bytes | ||||||||||||||||||
| Power consumption | Approx. 32W (normal printing), 0.18W (USB power save mode) | ||||||||||||||||||
| Power source | Rated input: AC 100 to 240V, 50/60Hz, 150VAC | ||||||||||||||||||
| Weight (approx.) | 4lb (1.8kg) | ||||||||||||||||||
| Outer dimensions (W × D × H) |
5.5 x 7.6 x 5.2 inches (140 × 195 × 132mm) | ||||||||||||||||||
| Operating temperature and humidity | 41 to 113°F (5 to 45°C), 10 to 90% RH (no condensation) | ||||||||||||||||||
| Storage temperature and humidity | -4 to 140°F (-20 to 60°C), 10 to 90% RH (no condensation) | ||||||||||||||||||
| Reliability | Print head life: 93 miles (150km), 300 million pulses Auto cutter life: 2 million cuts |
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| Safety standards | UL, C-UL, FCC class A, TÜV-Bauart, CE marking, CCC | ||||||||||||||||||
What's in the Box
Thermal POS, CT-S310II, USB & SER, BK
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.ca's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-421-6516
- Support Website
- View other products from Citizen
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The Citizen CT-S310II-U-BK is a desktop direct-thermal receipt and barcode printer that prints at up to 160 mm per second, making it suitable for retail counters and food-service POS stations that need quick receipt output.
Recommended For
- Retail checkout teams that need a compact, countertop printer for fast receipts and occasional barcode printing, with support for 58 mm or 80 mm thermal paper.
- Hospitality and kitchen operators that print orders or receipts at a fixed POS station and want a top-exit printer designed for those workflows.
- Ticketing or journal-printing operations that need a stationary thermal printer for frequent short-form output rather than a portable device.
- POS integrators maintaining a compatible wired setup who need USB and serial connectivity, ESC/POS emulation, and support for common receipt barcodes and QR codes.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | POS receipt printing and barcode output with a desktop thermal printer |
| Print Technology And Performance | Direct thermal printing at 160 mm/sec, with a maximum black-and-white resolution of 203 dpi (8 dots/mm) |
| Paper Handling And Cutting | Supports 58 mm and 80 mm thermal receipt paper, with selectable printing widths from 45 mm to 72 mm and software-selectable partial or full cuts |
| Barcode And Print Capabilities | Prints UPC-A/E, JAN (EAN) 13/8, ITF, CODE39, CODE128, CODABAR (NW-7), CODE93, PDF417, QR Code and GS1-DataBar barcodes |
| Memory And Fonts | Non-volatile memory: 192 KB for characters and 384 KB for graphics. Font columns vary by paper width: on 80 mm paper, Font A/B/C provide 48/64/72 columns; on 58 mm paper, 35/46/52 columns |
| Interfaces And Included Accessories | Serial RS-232C via a 9-pin D-sub connector and USB; USB cable included |
| Reliability | Rated for 200 million pulses or 150 km MCBF and 2 million cuts; Long Life Print technology is listed as extending print-head life up to 200 km |
| Power And Efficiency | 100–240 V, 47–63 Hz power supply; 32 W while printing, 0.6 W in sleep mode and 0.18 W in USB power-save mode; Energy Star approved |
| Operating Environment | Operating temperature: 5–45 °C; operating humidity: 10%–90% RH, non-condensing |
| Dimensions And Weight | 5.51 × 7.67 × 5.19 in; 3.96 lb (approximately 1.8 kg) |
| Model Identifiers | Citizen CT-S310II; model name CT-S310II-U-BK |