| Model |
DP21X |
| Printing method |
Serial impact dot matrix |
| Printing direction |
One-way printing |
| Printing speed |
Approx. 2.5 lines/sec. |
| Number of columns |
24 columns: 144 dots/line |
| Font |
5 × 7 matrix |
| Number of wires |
8 pins(4 pins × 2 heads) |
| Character size(W × H) |
Approx. 1.7 × 2.4mm |
| Character pitch |
1.98mm(Interval of columns) |
| 3.52mm(Interval of lines) |
| Motor |
Voltage: 5.0V DC / Peak current: Approx. 1A / Average current: 0.3A max. |
| Dot pulse sensor |
Photo interrupter |
| Home pulse sensor |
Leaf switch |
| Printing sensor |
Voltage: 5.0 +0.5 -1.2 V DC / Resistance: 1.7±0.3Ω(25°C) |
| Paper feeding solenoid |
Voltage: 5.0 +0.5 -1.2 V DC / Resistance: 9±2Ω(25°C) |
| Connecting method |
Copper foil patterns at 2.54mm pitch. |
| Driving voltage |
3.5~5.5V DC |
| Printing paper |
57.5±0.5mm |
| Copy |
Original print + 1 copy |
| Ink ribbon cartridge |
Single color (Black) |
| Paper feeding speed |
Approx. 5 lines/sec. |
| External dimensions (W × D × H) |
90 × 45.5 × 16mm |
| Weight |
105g±10% |
| Operating temperature |
0~50°C |
| Storage temp. range |
-25~70°C |
| Reliability |
MCBF: 1.5 million lines |
DP21X Series Impact Dot matrix mechanism
