The DPU-S445 is a highly reliable, cost-effective 4-inch mobile thermal printer. With very small dimensions and weighing only 1.08 pounds (including battery, excluding paper roll), the DPU-S445 provides exceptional flexibility for mobile printing applications. At up to 90 mm/second print speeds, the DPU-S445 delivers fast, reliable print-outs and shorter transaction times. EZ-OP drop-in paper replacement ensures ease-of use. And, multiple wireless and cabled interface options, combined with label, receipt, and cut-sheet printing support make this a capable and versatile printer.
Product highlights
  • Compact, lightweight design
  • Up to 90 mm/second print speed
  • EZ-OP clamshell-style paper replacement
  • Survives multiple 4-foot drops to concrete surface (with carrying case)
  • Choice of USB, IrDA, Serial, and Bluetooth connectivity

DPU-S445 Product Specifications

Model DPU-S445
Printing Method Thermal line dot printing
No. dots/line 832
Resolution (dots/mm) 8
Paper width  112+-
Printing width 104
Speed (mm/sec) 90
Character matrix (H x W dots) 24 x 12, 24 x 24, 16 x 8, 16 x 16
Character dimensions (H x W mm) 3.0 x1.5, 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, JIS 1&2 level Kanji
Barcode UPC-A/E, JAN(EAN)8/13, ITF, CODE39, CODABAR, CODE128, PDF417, QR Code, MaxiCode, Data Matrix
Power supply (V) Li-lon Battery, Specified AC adapter
Interface Bluetooth *1, USB, IrDA(ver1.2), Serial
Input buffer 4K bytes
Command ESC/P *2 conformity
Cutting Tear bar
Operating  Temperature (°C) 0 to 50
Humidity (% RH) 30 to 80 (non-condensing)
Storage  Temperature (°C) -25 to 60
Humidity (% RH) 5 to 90 (non-condensing)
Service life (km) 50*3
Dimensions (W x D x H mm) 145 x 135 x 58 *4
Mass (g)  Approx. 490 *5
Compliance FCC, CE, VCCI
Options AC adapter, Battery pack, Battery Charger, AC cable, USB cable, Serial cable
*1 Only bluetooth model
*2 ESC/P™:Registered trademark of SEIKO EPSON CORP.
*3 Use recommended thermal papers
*4 Excluding protrusion
*5 including battery, excluding roll paper