| Printing Method | Direct Thermal and Thermal Transfer |
| Printing Width | Max. 104 mm |
| Printing Length | Max. 812.8 mm |
| Dot Pitch | 12 dots / mm (300 dpi) |
| Printing Speed (Max.) | Max. Thermal Transfer - 4ips. Max. Direct thermal - 6ips |
| Font | 9 fixed pitch, 2 proportional font. |
| Character Table/Code Pages | See User Manual |
| Bar-code Type | Code3of9,UPC_A,UPC-C, Interleaved 2of5, Code 128,EAN-13,EAN-8,HIBC, CODABAR(NW-7),Plessey,Int2of5,CASE CODE,Code93,ZIP, UPC2DIG ADD, UPC5DIG ADD, UCC/EAN128(for K-MART), RandomWeight, Telepen,FIM,UPS Maxicode, PDF-417, Data Matrix, and QR code. |
| Paper feed method | Friction Feed |
| Media Type | Roll, fanfold
(Continuous media, die-cuts media,) |
| Media width | Min. 19.5 mm to Max. 118 mm |
| Paper Roll Diameter | Max 127 mm with 25.4 to 76 mm Core |
| Media Tickness | Min. 0.0635 mm to Max. 0.254 mm |
| Auto Cutter | Optional Cutter |
| Indicators/Controls | Power/Error LED (Green/Red)
Function keys: FEED, STOP, PAUSE,
Buzzer
Power Switch |
| Emulation | Datamax I-Class & DMX400 Programming language
Zebra programming language ZPL-II
Auto detect |
| CPU | 32 Bit RISC CPU |
| Memory | RAM 16MB total, 1.0 MB available for use
FLASH 4MB total, 1.0MB available for use |
| Sensors | Transparent sensor, Reflective sensor& Label peeling sensor (if optional Peeler is used) |
| Interfaces | Standard with USB 1.1 (Full speed) & RS-232C interface
Optional Ethernet or Paralllel IEEE1284 (compatible, Nibble, ECP mode) or Wireless Lan. |
| Driver available | Drivers by Seagull |
| Software Utilities | Bartender Ultralite |
| Power Supply | Internal 200-240V 1.5A 50/60Hz |
| Power Consumption | Max. 1.5A |
| External Dimensions (WxDxH) | 231 x 289 x 270 mm |
| Weight | 4.5 Kg approx. |
| Operating Environment | Temperature: 0 to 40 °C
Humidity: 30 to 80% (non-condensing) |
| Storage Environment | Temperature: -20 to 60 °C
Humidity: 5 to 85% (non-condensing) |
| EMC/Safety Standards | UL, C-UL, FCC: CLASS A, CE, C-Tick/RCM |
Citizen CL-S321 
Citizen CL-S521 
Citizen CL-S621 
