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Citizen CT-S310II-U-BK Receipt Printer

Citizen CT-S310II - Thermal ECO Desktop 3" Receipt Printer, 203 dpi, USB and Serial Interfaces, No Auto-cutter, print speed at 6.30 in/sec. Color: Black
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Your satisfaction is guaranteed!
We want to make sure you are completely satisfied with your purchase. Customers must return their product within 30 days of shipment to receive a full credit less a 15% restocking fee. Returns must be presented in new condition with all of the original packaging.
Longer cutter life delivers lower maintenance costs

The Citizen CT-S310II is a green step forward towards reducing negative impact on the environment and it is Energy Star qualified. The power supply is the most eficient at managing power consumption and is built-in to eliminate the "brick" and free up space. The CT-S310II features a dual interface of USB and Serial to make it a future-proof investment. Maintenance with the CT-S310II is tool free to make it easy to remove jams. The new Long Life Print functions can extend the printhead life to 200km or more. From production and packaging to utilization and recycling, the CT-S310II fulfills today's demand for IT products.

Technical Information

  • Maximum Mono Print Speed: 6.30 in/s
  • Maximum Print Resolution: 203 x 203 dpi
  • Print Color: Monochrome
  • Number of Columns: 72
  • Number of Pins: 9-pin
  • Maximum Print Width: 2.83"
  • Recommended Use: Receipt Print
  • Features: Cutter
  • Barcode Symbology Supported:
    • UPC-A
    • UPC-E
    • ITF
    • Code 39
    • Code 128
    • Codabar
    • Code 93
    • GS1 DataBar
    • PDF-417
    • QR Code
    • JAN-13
    • JAN-8

General Information

  • Product Type: Direct Thermal Printer
  • Brand Name: Citizen
  • Manufacturer: Citizen Micro HumanTech
  • Product Model: CT-S310II
  • Product Name: CT-S310II Receipt Printer

Physical Characteristics

  • Height: 5.2"
  • Width: 5.5"
  • Depth: 7.7"
  • Form Factor: Desktop
  • Weight (Approximate): 4.19 lb
  • Color: Black


  • USB: Yes
  • Serial Port: Yes


  • Green Compliant: Yes
  • Green Compliance Certificate/Authority: ENERGY STAR
  • Platform Supported: PC
  • Certifications & Standards:
    • UL
    • C-UL
    • FCC Class A
    • TUV-GS
    • CE marking
    • VCCI

Power Description

  • Input Voltage:
    • 110 V AC
    • 220 V AC
  • Operating Power Consumption: 40 W
  • Standby Power Consumption: 150 mW
  • Off-Mode Power Consumption: 700 mW
  • Power Source: AC Supply

Media Types & Handling

  • Maximum Label Width: 3.15"
  • Media Type: Thermal Paper
  • Maximum Roll Diameter: 3.27"


  • Standard Memory: 4 KB

Full specifications (PDF)

Full specifications (PDF)

Brand Citizen
Model CT-S310II
Cutter Option No Auto-Cutter
Interface Serial, USB
Print Speed 6.3 inches
Print Method Thermal
Print Width 3.0 inches
Column Capacity 72
Color Black
Form Factor Desktop
Magstripe Option No Magstripe
Recommended Accessories for Model: Citizen CT-S310II Printer
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Recommended Receipt Paper for Model: Citizen CT-S310II Printer
AirTrack Receipt Paper (RPT3.125-230-CASE)
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Citizen CT-S2000 Receipt Paper (80910)
3.125" x 220' Thermal paper, single roll. FOR 1000II, CT-S2000, S300, S310, S801, S851, 601, 651 PRINTERS
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The Citizen CT-S310II-U-BK is also known as Citizen America CIT-CT-S310II-U-BK or CTS310IIUBK .