| Model | DP-330 | 
        
            | Printing method | Serial impact dot matrix | 
        
            | Printing direction | Bi-directional(Logic seeking control) | 
        
            | Printing speed | Approx. 4.3 lines/sec.(76mm paper width) | 
        
            | Number of columns | Approx. 42 columns(76mm paper width) | 
        
            | Total no. of dot | 210 dots(420 positions) | 
        
            | Font | 7 × 9 matrix | 
        
            | Number of wires | 9 pins | 
        
            | Character size(W × H) | 1.25 × 3.12mm(7 × 9 dots)/1.25 × 2.42mm(7 × 7 dots) | 
        
            | Character pitch | 1.59mm | 
        
            | Line spacing | Minimum 0.176mm(1/144 inch) | 
        
            | Home position sensor | Photo interrupter | 
        
            | Paper end sensor | Photo interrupter | 
        
            | Motor | Carriage | Stepping motor Voltage: 24V±5% V DC /Resistance: 20Ω(25°C) | 
        
            | Paper feeding | Stepping motor Voltage: 24V±5% V DC /Resistance: 20Ω(25°C) | 
        
            | Printing paper | 76 × Φ83mm | 
        
            | Copy capability | Original + 1 copy | 
        
            | Ink ribbon cartridge | Two colors (Red and Black), Single color (Black) | 
        
            | Paper feeding speed | Approx. 34 lines/sec. | 
        
            | External dimensions (W × D × H) | 126.7 × 97.5 × 52.7mm | 
        
            | Weight | 485g (Included ribbon cartridge) | 
        
            | Operating temp. range | 0~50°C | 
        
            | Storage temp. range | -20~70°C | 
        
            | Reliability | Mechanism: MCBF 5.0 million lines / Head: 100 million characters |