| Model | PPU-231 | 
| Printing method | Line thermal dot printing | 
| Printing width | 72mm (576 dots/line) | 
| Dot pitch | 8 × 8 dots/mm (203 dpi × 203 dpi) | 
| Printing speed | Max. 62.5 mm/sec, (14.8 lines/sec.) | 
| Number of print columns | Font A: 48 columns Font B: 64 columns  | 
        
| Character size (W × H)  | 
            Font A: 1.25mm x 3.00mm (12 x 24 dots)  Font B: 0.88mm x 3.00mm (9 x 24 dots)  | 
        
| Character type | Alphanumeric, International characters | 
| Barcode type | UPC-A, JAN (EAN) 13/8-columns, ITF, CODE 39, CODE 128, CODABAR | 
| Line spacing | 4.23mm (1/6 inch), Software selectable | 
| Paper | Thermal paper roll Paper width: 80mm x F83mm External diameter: F203mm max. (When using PHU) Core: Internal diameter F25.4mm Paper thickness: 0.060 - 0.085 mm  | 
        
| Interface | Serial (RS-232C), Parallel (Centronics) | 
| Sensors | Paper near end, Paper end, Black mark sensor | 
| Buffer size | 4K bytes | 
| Power source | 24V±7% | 
| Power consumption | 100W | 
| Weight (approx.) | PPU-231: 1.6 kg (Control PCB included) PHU-131: 0.9 kg (Paper roll excluded)  | 
        
| Dimensions (W × D × H)  | 
            PPU: 144.7 x 160 x 172 mm PHU-131: 0.9 kg (paper roll excluded)  | 
        
| Operating environment | 5 to 40 °C, 35 to 85 % RH (no condensation) | 
| Storage environment | -20 to 60 °C, 10 to 90 % RH (no condensation) | 
| Reliability | Thermal head: 50,000,000 pulses or 30km Auto cutter: 300,000 cuts  | 
        
| Safety standards | UL, C-UL, FCC class A, TUV, CE marking |