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Citizen CT-S851S3UBUBKP Receipt Printer

Citizen CT-S851 - Direct thermal Receipt Printer (300 mm, USB, PNE Sensor) - Color: Black
The industry's first Front-Exit POS printer with a backlit graphic LCD display

The Citizen CT-S851 represents the industry's first "Front Exit" and "Intelligent" POS printer with a back lit graphic LCD display, which includes an editor to customize display messages - a great value-add for end users. The CT-S851 is ideal for a variety of applications and any environment. At 300 mm/second print speed, it is the "Next Best POS Printing Solution" when a front exit receipt is required.

Technical Information

  • Maximum Mono Print Speed: 11.81 in/s
  • Maximum Print Resolution: 203 dpi
  • Print Color: Monochrome
  • Maximum Print Width: 3.15"
  • Recommended Use: Label Print
  • Features: Cutter
  • Barcode Symbology Supported:
    • PDF-417
    • UPC-A
    • UPC-E
    • EAN/JAN-8
    • EAN/JAN-13
    • ITF
    • Code 39
    • Code 128
    • Codabar
    • Code 93
    • QR Code

General Information

  • Product Type: Direct Thermal Printer
  • Brand Name: Citizen
  • Manufacturer: Citizen Micro HumanTech
  • Product Model: CT-S851
  • Product Name: CT-S851 Label Printer

Physical Characteristics

  • Height: 5.8"
  • Width: 5.7"
  • Depth: 7.6"
  • Form Factor: Desktop
  • Color: Black


  • USB: Yes

Media Types & Handling

  • Maximum Label Width: 3.25"
  • Media Type:
    • Label
    • Thermal Paper
    • Roll Paper
  • Media Thickness: 5.91 mil
  • Media Sensor: Out Of Paper Sensor
  • Maximum Roll Diameter: 3.15"


  • Green Compliant: Yes
  • Green Compliance Certificate/Authority: RoHS
  • Platform Supported: PC

Display & Graphics

  • Display Screen Type: LCD


  • Limited Warranty: 3 Year


  • Standard Memory: 4 KB

Power Description

  • Input Voltage: 220 V AC


  • Cutting Method: Automatic

Full specifications (PDF)

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Recommended Receipt Paper for Model: Citizen CT-S851 Printer
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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AirTrack Receipt Paper (RPT3.125-230-CASE)
Thermamark, Consumables, Thermal Receipt Paper, 3.125" (80 mm) X 230' (70.1 mm), 0.85" Core, 2.85" (72.39 mm) Outside Diameter, White, BPA Free, 50 roll case
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The Citizen CT-S851S3UBUBKP is also known as Citizen America CIT-CTS851S3UBUBKP or CTS851S3UBUBKP .