Citizen CT-S851 Front Exit Thermal POS Printer

Citizen CT-S851 Front Exit Thermal POS Printer

Citizen CT-S851 Front Exit Thermal POS Printer
Citizen CT-S851 Front Exit Thermal POS Printer
Citizen CT-S851 Front Exit Thermal POS Printer
Citizen CT-S851 Front Exit Thermal POS Printer


The 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 300mm/second print speed, it is the ?Next Best POS Printing Solution? when a front exit receipt is required.


  • A truly, unique printer: the industry?s first Front-Exit POS printer with a backlit graphic LCD display communicates with you.
  • The world?s fastest, most reliable, easiest to configure and customize POS printer.
  • 300mm/sec providing the fastest printing results for customers.
  • Longer cutter life delivers lower maintenance costs
  • Greater reliability delivers longer life & lower maintenance costs
  • Wider paper width allows printing of additional information & larger fonts
  • USB standard meets market standardization requirements
  • 2D/PDF417 bar code support allows wider applications
  • Built in buzzer provides audible alert without adding extra cost devices
  • Built in power supply eliminates unsightly ?brick? and frees up space
  • Printer drivers included are: Windows XP (32 and 64 bit), Windows Vista (32 and 64 bit), Java POS, OPOS and CUPS.
  • Can be desktop or wall mounted.
  • Three year warranty
  • Same footprint as TM-T88.

LCD Display

  • LCD indicates the printer's status, button names, types of errors, and messages.
  • Installation of vertical or wall-mount, memory switch settings invert the LCD icons.
  • LCD and LED auto power OFF function.
  • Easy maintenace of printer head and cutter with using of LCD and LED messages.


  • Green: Power is on.
  • Red: Operates in special modes or in errors.
  • Orange: Paper is low (paper near-end) or print head is hot.

Buttons and icon

  • FEED button: To feed the paper.
  • MENU button: Press and hold this button to access the momory switch setting mode.
  • PAPER LOW icon: It dappears when the paper roll is near its end.
  • LOCK icon: It displays when the MENU button is inoperative.

Printing method Line thermal dot print (direct thermal)
Resolution 8 dots/mm (horizontal & vertical), 203 DPI
Printing Speed 300 mm/s ( 2400 dot-lines/s )
Print Width 80 / 72 / 54.5 / 54 mm
Number of columns 53 / 48 / 36 / 35 columns - font A (default),
71 / 64 / 48 / 46 columns - font B,
80 / 72 / 54 / 52 columns - font C,
depending of memory switch
Character dimensions 1.50mm x 3.00mm - font A (12x24 dots)
1.13mm x 3.00mm - font B (9x24 dots)
1.00mm x 2.00mm - font C (8x16 dots)
Characters types Alphanumeric,international, PC437, Katakana,
PC850, PC852, PC857, PC858, PC860, PC863,
PC864, PC865, PC866, WPC1252, Thai code 18
User memory 256 K bytes (capable of registering user
defined characters and logos)
Bar code types UPC-A/E, JAN(EAN)8/13, ITF, Code 39,
Code 128, CODABAR, Code93, PDF-417, QR Code
Line pitch 4.23 mm ( 1/6 inch, min 1/203 inch )
Paper roll Direct thermal paper roll, max.80 mm OD,
0.065 to 0.150 mm thickness
Cutter type Guillotine, partial or full cut, 20 cycles/minute
Interface Serial (RS-232C), Parallel (IEEE1284),
Full speed USB 1.1, Powered USB (DC24V, 2.3A),
Ethernet (10BaseT/100BaseT)
Input buffer 4K
Cash drawer 2 cash drawers are supported
Power supply AC100-240V, 50-60Hz, 2.1A
Power consumption 150VA
Weight Approx. 2.1 kg
Outer dimensions 145 (W) x 193 (D) x 148 (H) mm
Operating environment 5 to 45 C, 10 to 90%RH, no condensation
Storage temperature from -20 to 60 C, 10 to 90%RH, no condensation
Reliability Print head life = 200 million pulses
or 150 km, Cutter life = 2 million cuts
Installation Horizontal, vertical or wall-mounted
Safety standards VCCI, UL, FCC, CE, TUV-GS, CCC
Available drivers Windows (32bit/64bit): 2000 / XP / Vista,