Seiko DPU-S445 Mobile Thermal Printer 4.09in, 3.54in/s, 203dpi, RS232, USB host, Integrated cutter

The Seiko Instruments DPU-S445 (marketed here as the Seiko InstiPrint MobilePro) is a compact mobile receipt and label printer engineered for on-the-go point-of-sale, delivery, field service and logistics tasks. Combining direct thermal printing with a 203 dpi resolution and up to 90 mm/s print speed, the DPU-S445 supports receipts, label rolls and cut sheet media in a single portable unit. Multiple interface options — including Bluetooth, RS-232, USB and IrDA — and lithium‑ion battery operation deliver flexible integration and true mobile use. Its lightweight, durable design with tear-off and cutter options helps teams produce clear, scannable output reliably while minimizing downtime and consumable handling in professional deployments.

Key Features

• Thermal performance: Direct thermal printing at 203 dpi produces sharp monochrome receipts and labels without ink or ribbon, reducing maintenance and consumable costs.
• Flexible connectivity: Bluetooth, RS-232, USB and IrDA interfaces enable easy integration with mobile devices, POS terminals and legacy systems.
• Versatile media handling: Supports roll paper, continuous labels, label stock and cut sheet paper to cover receipts, labels and tags from one device.
• Portable power: Lithium‑ion battery operation (standard, rechargeable) plus AC adapter option keeps the unit working in the field and simplifies mobile deployments.
• Efficient output handling: Built-in tear bar for quick separation and models with an integrated cutter improve workflow speed and reduce manual handling.
• Professional barcode support: Native support for common barcode symbologies ensures reliable scanning for retail, logistics and asset tracking applications.

Specifications

• Brand: Seiko Instruments
• Product Name: Seiko InstiPrint / DPU-S445 Mobile Receipt and Label Printer
• Print Technology: Direct thermal (thermal line)
• Print Resolution: 203 dpi
• Maximum Print Speed: 90 mm/s
• Maximum Printing Width: 104 mm
• Maximum Media Width: 112 mm
• Supported Media Types: Roll paper; Continuous labels; Label roll paper; Label stock; Cut sheet paper
• Connectivity / Interfaces: Bluetooth (including Bluetooth 2.0/2.1 EDR), RS-232 / RS-232C, USB (host / 2.0), IrDA
• Form Factor: Mobile / Portable
• Weight: 490 g
• Dimensions (W x D x H): 145 x 135 x 58 mm
• Battery Type: Lithium‑ion (rechargeable)
• Power Supply Options: Li‑Ion battery or AC adapter
• Tear Bar: Yes
• Integrated Cutter: Yes
• Printer Emulation / Language: EPSON ESC/P
• Supported Barcode Symbologies: Code 39; QR Code; MaxiCode; EAN-8; EAN-13; UPC-A; UPC-E; Codabar; Code 128; PDF417; Data Matrix; ITF
• Number of Dots per Line: 832
• Dots per Millimeter: 8
• Maximum Roll Outer Diameter: 50 mm
• Roll Core Inner Diameter: 8 mm
• Service Life (printhead / mechanism): 50 km
• Operating Temperature: 0 °C to 50 °C
• Operating Humidity: 30% to 80%
• Included Accessories: AC adapter; Battery pack; Nylon carrying case
• Country of Origin: Malaysia