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Item#: N82E16828289048

CITIZEN CT CT-S651 (CT-S651S3UBUBKP) Direct Thermal Receipt Printers

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  • Front Exit For Tight Spaces
  • PNE Sensor
  • 203 DPI
  • USB Interface
  • Black

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews




Citizen CT-S651 Direct Thermal Receipt Print

The New CT-S651 is your Next Best Printing Solution for your receipt applications as it not only offers Front Exit and more features for less money, but it is also fully compatible with previous Citizen models and competitive models - including the TM-T88IV – making the CT-S651 the best value in any class!




  • High-speed (200mm/s) printing
  • Compact design can be installed anywhere
  • Versatile design supports 3in. (83/80mm) and 2in.(60/58mm) wide paper rolls
  • Built-in power supply or AC adaptor types available
  • Printer status and errors indicated by three LEDs and a buzzer
  • Equipped with a fast and quiet cutter
  • Easy to clear cutter jams
  • Interchangeable interfaces
  • Built-in cash drawer kick-out interface
  • Memory switches make customization possible
  • Store user-defined characters and logos in user memory
  • Barcode and 2D barcode printing supported
  • Two-color printing supported (when specified paper used)
  • Driver and utility software included
  • Desktop
    Easy Maintenance
  • Easy to clear paper jam - open the top and front covers
  • Splash-proof
    Operation Panel

  • LED indicates the printer's status, types of errors, and messages
  • Easy maintenance of printer head and cutter with LED messages
  • FEED button: Not only feeds the paper, but sets memory switches and running self-printing

  • Green: Power is on. It flashes when data is incoming or a memory error has occurred.
  • Red: Operates in special modes or in errors.
  • Orange: Paper is low or print head is hot.


  • Receipt
  • Coupon
  • Tickets
  • Delivery, transportation record
  • Daily Report
  • Kitchen
  • Measurement equipment record
  • Barcode


Model CT-S651
Printing method Line thermal dot print method
Print width 80mm / 640 dots, 72mm / 576 dots, 64mm / 512 dots, 54.5mm / 436 dots, 54mm / 432 dots, 52.5mm / 420 dots, 48mm / 384 dots, 45mm / 360 dots, 48.75mm / 390 dots, 68.25mm / 546 dots
Dot density 203dpi (8 × 8 dots/mm)
Printing speed Max. 300mm/sec, 2400 dots lines/sec. (fastest, print density 100%)
Number of print columns
Font Maximum number of characters
Dot configuration
83mm 80mm 60mm 58mm
Font A 53 48 36 35 12 × 24
Font B 71 64 48 46 9 × 17
Font C 80 72 54 52 8 × 16
Character size
(W × H)
Font A: 1.50mm × 3.00mm
Font B: 1.13mm × 2.13mm
Font C: 1.00mm × 2.00mm
Character type Alphanumeric, International, PC437 / 850 / 852 / 857 / 858 / 860 / 863 / 864 / 865 / 866 / WPC1252 / Katakana / Thai code 18
Operation panel Three LEDs, Feed button
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
Line spacing 4.23mm (1/6in.) (changeable using commands)
Paper roll
Width Paper roll: 83+0/-1mm, 80+0/-1mm, 60+0/-1mm, 58mm+0/-1 × F 80mm
Thickness 65µm to 75µm (core tube diameter: inner 12mm / outer 18mm)
75µm to 150µm (core tube diameter: inner 25.4mm / outer 32mm)
Interface Serial (RS-232C compliant), Parallel (IEEE1284 compliant), USB, USB with hub, Ethernet, powered USB
External device port Cash drawer kick-out
Buffer size 4K bytes / 45 bytes
Pupply voltage DC 24V ± 5%
Power consumption Approx. 45W (normal printing), 3W (standby)
Power source Rated input: AC 100V ~ 240V, 50Hz / 60Hz, 150VAC
Rated output: DC24 V, 2.1A
Weight (approx.) CT-S651S (Built-in power supply type): 4.2lb (1.9kg)
CT-S651A (AC adaptor type): 3.3lbs (1.5kg)
Outer dimensions
(W × D × H)
CT-S651S (Built-in power supply type): 5.7in. x 7.5in. x 5.6in. (145mm × 192mm × 142mm)
CT-S651A (AC adaptor type): 5.7in. x 7.5in. x 4.5in. (145mm × 192mm × 114mm)
Operating temperature and humidity 41°F to 113°F (5°C to 45°C), 10% to 90% RH (no condensation)
Storage temperature and humidity -4°F to 140°F (-20°C to 60°C), 10% to 90% RH (no condensation)
Reliability Print head life: 93 miles (150km), 200 million pulses
Auto cutter life: 2 million cuts (full cut), 1.6 million cuts (partial cut)
Safety standards UL, C-UL, FCC class A, TUV-Bauart, CE marking


Learn more about the Citizen CT-S651 (CT-S651S3UBUBKP)




Print Technology
Max Resolution(B&W)
203 dpi
4 KB
Fonts Included
Alphanumeric, international, PC437/ 850/ 852/ 857/ 858/ 860/ 863/ 864/ 865/ 866/ WPC1252/katakana/Thai code 18
Barcode Type
UPC-A/E, JAN (EAN) 13/8 columns, ITF, CODE 39, CODE 128, CODABAR (NW-7), CODE 93, PDF417, QR Code



Dimensions & Weight

5.70" x 7.56" x 5.83"
4.41 lbs.
Warranty, Returns, And Additional Information
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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