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Type classification |
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MD-911 - SS A |
1 - Type |
2 - Knob |
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3 - Special feature |
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1 2
3 |
910 : 24 columns |
SS : no knob |
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None : regular model |
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911 : 40 columns |
HS : horizontal knob |
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A - cold temperature
model |
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VS : vertital knob |
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MD-911 |
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Accessories: |
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Features: |
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Control board : |
CBM-909-4D |
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- Compact design |
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Interface |
Parallel and serial |
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- Light weight |
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Number of columns |
40 columns |
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- 5 V operation |
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Font |
4 x 7 (including half
dot) |
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- Number of columns: 24 |
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Command set |
Unique |
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- Knob model (type V or H) |
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Firmware location |
Masked CPU |
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Buffer size |
1 line |
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Specification |
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Supporting devices |
LF switch, On-line
switch |
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Printing method |
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Serial impact dot
printing |
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Dimensions |
80 x 55.5 mm |
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Printing directions |
One-way printing |
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Source voltage |
4.0 +0.7/-1 V |
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Printing speed |
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Approx. 1.8 lines/s |
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Custom control chip |
909PC-4DU |
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Number of columns |
40 columns, 180
dots/line |
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Control chip : |
909PC-4DU |
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Font |
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4 x 7 matrix |
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Number of wires |
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8 wires (4 pins x 2
heads) |
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Character size (W x H) |
Approx. 1.1 x 2.4 mm |
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Character pitch |
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1.17 mm (interval of
columns) |
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3.52 mm (interval of
lines) |
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Paper winder : |
AW-5 |
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Motor |
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Voltage: 5.0 V /peak
current |
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1A, average current 0.3
A/ |
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Dot pulse sensor |
Photo interrupter |
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Home pulse sensor |
Leaf switch |
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Printing solenoid |
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5 V DC, resistance 1.7
Ω |
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Paper feeding solenoid |
5 V DC, resistance 9
Ω |
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Connecting method |
Copper foil patterns,
2.54 mm |
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Driving voltage |
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3.5 - 5.5 V DC |
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Ink ribbon : |
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IR-91B (black), IR-91P (purple), IR-91L
(long life) |
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Printing paper |
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57.5 +/-0.5 mm |
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Copy |
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Original print + 1 copy |
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Ink ribbon |
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IR-91(B-black or
P-purple) |
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Paper feeding speed |
Approx. 3.6 lines/s |
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External dimensions (W x D x H) |
90 x 45.5 x 16 mm |
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Weight |
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105 g |
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Operating temperature |
0 - 50°C |
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Storage temperature range |
-25 - 75°C |
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Reliability |
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MCBF: 1.0 million lines |
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