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Model
DPU-3445-30A 
Printing Method
Thermal line dot printing
Number of dots/line
832
Resolution(dots/mm)
8
Paper width(mm)
112
Printing width(mm)
104
Speed(mm/sec) max
50
Paper path
Curved
Character matrix(HxW dots)
24 x 12, 24 x24, 16 x 8, 16 x 16
Character size(HxW mm)
3.0 x 1.5, 3.0 x 3.0, 2.0 x 1.0, 2.0 x 2.0
Number of columns
52, 26, 69, 34
Character type
Optional Font, Downloaded Character, User-defined Character, Extend Graphics Character set, Katakana Character set, JIS1&2 level Kanji
Barcode
UPC-A/E, JAN(EAN)8/13, ITF, CODE39, CODABAR, CODE128
Power supply(V)
Li-lon Battery DC7.2V, Specified AC adapter DC9.3V
Communication interface  
IrDA(ver1.0), BHT lr protocol, RS-232C(38,400bps max)(6-pin Modular jack)
Input buffer
4K bytes
Command
ESC/P*1 conformity
Cutting
Tear bar
Operating Temperature(°C)
5 to 40
Humidity(%RH)
30 to 80 (Non condensation)
Service life(km)
30 *2
Dimensions
160.0 x 89.0 x 29.5(printer unit)*3
Mass(g)
Approx.250(printer unit)
Standard
FCC, CE, VCCI, CCC
Option
AC Adapter, Paper holder, Battery pack, Battery Charger, AC cable , Serial cable
*1 ESC/P TM : Registered trademark of SEIKO EPSON CORP. *2 Use recommended thermal papers *3 Excluding protrusion.