| Model | 
            CT-S310II | 
        
        
            | Printing method | 
            Line thermal dot print method | 
        
        
            | Print width* | 
            72mm/576 dots, 64mm/512 dots, 52.5mm/420 dots, 48mm/384 dots, 45mm/360 dots, 48.75mm/390 dots, 68.25mm/546 dots | 
        
        
            | Dot density | 
            8 × 8 dots / mm (203 dpi) | 
        
        
            | Printing speed | 
            Max. 160 mm/sec 1280 dots lines/sec. (fastest, print density 100%) | 
        
        
            | Number of print columns† | 
            
            
                
                    
                        | Font | 
                        Maximum number of characters (columns) | 
                        Dot configuration (dots) | 
                     
                    
                        | 80mm | 
                        58mm | 
                     
                    
                        | Font A | 
                        48 | 
                        35 | 
                        12 × 24 | 
                     
                    
                        | Font B | 
                        64 | 
                        46 | 
                        9 × 24 | 
                     
                    
                        | Font C | 
                        72 | 
                        52 | 
                        8 × 16 | 
                     
                
             
             | 
        
        
            | Character size (W × H)‡ | 
            Font A: 1.50 × 3.00 mm Font B: 1.13 × 3.00 mm Font C: 1.00 × 2.00 mm | 
        
        
            | Character type | 
            Alphanumeric, International, PC437/850/852/857/858/860/863/864/865/866/WPC1252/Katakana/Thai code 18 | 
        
        
            | User memory | 
            384 Kb (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, GS1-DataBar | 
        
        
            | Line spacing | 
            4.25mm (1/6 inch) (changeable using commands) | 
        
        
            | Paper roll | 
            
            
                
                    
                        | Width | 
                        Paper roll: 80+0/-1 mm, 58 mm+0/-1 | 
                     
                    
                        | Thickness | 
                        65 to 75µm (core tube diameter: inner 12mm / outer 18mm) 75 to 85µm (core tube diameter: inner 25.4mm / outer 32mm) | 
                     
                    
                        | Diameter | 
                        F 83mm or less | 
                     
                
             
             | 
        
        
            | Interface | 
            USB, Serial (RS-232C compliant) | 
        
        
            | Cash drawer kick-out | 
            Supports 2 cash drawers | 
        
        
            | Buffer size | 
            4K bytes / 45 bytes | 
        
        
            | Power consumption | 
            Approx. 32 W (normal printing), 0.18 W (USB power save mode) | 
        
        
            | Power source | 
            Rated input: AC 100 to 240V, 50/60 Hz, 150VA | 
        
        
            | Weight (approx.) | 
            1.8kg | 
        
        
            | Outer dimensions (W × D × H) | 
            140 × 195 × 132 mm | 
        
        
            | Operating temperature and humidity | 
            5 to 45 °C, 10 to 90 % RH (no condensation) | 
        
        
            | Storage temperature and humidity | 
            -20 to 60 °C, 10 to 90 % RH (no condensation) | 
        
        
            | Reliability§ | 
            Print head life: 150 km, 300 million pulses Auto cutter life: 2 million cuts | 
        
        
            | Safety standards | 
            UL, C-UL, FCC class A, TÜV-Bauart, CE marking, CCC |