SPECIFICATIONS FOR MP320
| Model Numbers | MP321S-24-A | MP322S-24-A MP 352S-24-A | MP323S-24-A | |
| Print Method | 9-pin serial impact dot matrix | |||
| Print Direction | Bi-directional | |||
| Number of columns | 28 (12 CPI) | 40 (15 CPI) | 35 (15 CPI) | |
| Character Font | 7 x 9 or 5 x 9 | |||
| Dot pitch (mm) | .417 (H) x .353 (V) | .330 (H) x .353 (V) | ||
| Total Number of Dots | 140 | 200 | 175 | |
| Print speed (lines/sec) | 4.2 | 3.2 | 3.6 | |
| Paper feed speed (in./sec) | Approx. 3 | |||
| Line Spacing | 1 /72 | |||
| Carriage Motor | Type | DC motor | ||
| Supply Voltage | DC24V+-1.2V | |||
| Start current | Max. 2A | |||
| Average Current | Approx. .2A | |||
| Paper feed motor | Type | PM type stepping motor | ||
| Supply Voltage | DC24V+-1.2V (in operation) DC4.2V in idle | |||
| Average Current | Approx. 0.5 amp | |||
| Holding Current | Approx. 0.15 amp | |||
| Print Head | Supply Voltage | DC24V +- 2.4V | ||
| Current | Max. 1.4A/pin | |||
| Pulse Width | 340+-5us | |||
| Ink Ribbon | Type | Ribbon Cassette | ||
| Life (characters) | RC300P (Purple) 6 million, RC300B (Black) 1.6 million | |||
| Paper | Media | Sprocket fanfold | ||
| Material | Normal or carbonless paper | |||
| Width | 3" (76 mm), 5.3" (89 mm) | 3.5" (89 mm) | 3" (76 mm), 5.3" (89 mm) | |
| Thickness | .003" to .004" (.07 mm to .1 mm)-single copy | |||
| Copies | 3 ply max .008 (0.2mm) Each paper should be .002" (0.5 mm) to .003" (0.08mm) in thickness | |||
| Reliablity | MCBF | 8 million lines | ||
| Print Head | 200 million characters | |||
| Operating conditions | 0-50 degrees C, 10% to 80% RH (w/o condensation) | |||
| Storage Conditions | -20-70 degrees C, 5% to 95% (w/o condensation) | |||
| Voltage | Mechanism | 25V+-1V, 1.7A (Chemical capcitor is required) | ||
| Logic | 5V+-10%, 220mA | |||
| Weight | .76 kg (MP352S: 1.3 kg) | |||