Star Micronics

Star Micronics SM-T400i Mobile Barcode Printer 4in, 203dpi, Bluetooth, Rugged

SKU: 

39631711

Star Micronics 4 Bluetooth is a rugged mobile barcode printer with a compact portable form factor and direct thermal printing. It delivers 203 dpi resolution, a 4-inch print width, Bluetooth and RS-232 connectivity, and support for label printing in demanding field, retail, healthcare, manufacturing, and shipping applications.
Description
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The Mobile Pro by Star Micronics is a family of rugged mobile thermal receipt printers designed for on-the-go point-of-sale, field service, delivery and event ticketing applications. Combining direct thermal printing with compact, durable housings, these units deliver high-contrast 203 dpi output at up to 80 mm/s and support both Bluetooth (including MFi/iOS profiles) and serial/RS232 connections for flexible integration. Variants offer wide-format options (up to 112 mm), color touch or LCD displays, optional magnetic stripe reader capability and IP54 dust/splash protection, while included rechargeable batteries and accessory bundles enable immediate deployment for mobile teams that require reliable, low-maintenance receipt and label printing in demanding environments.

Key Features

  • Direct thermal printing: High-contrast 203 dpi output with no ink or ribbons, minimizing upkeep and operating costs.
  • Mobile-ready connectivity: Bluetooth (including MFi/iOS support) and RS232/serial interfaces enable seamless pairing with tablets, smartphones and legacy systems.
  • Rugged, portable design: Compact form factors with IP54-rated dust and splash protection on selected models for reliable field use.
  • Flexible media handling: Supports receipt and label printing with drop-in loading, black mark/transmissive/reflective sensors and wide printable widths up to 112 mm.
  • Integrated usability: Options for LCD or color touch displays, optional MSR support and included rechargeable battery and accessories to simplify deployment.

Specifications

  • Brand: Star Micronics
  • Product Reference: Star SM-T400i
  • Product Name: Mobile Pro
  • Print Technology: Direct thermal
  • Print Resolution: 203 dpi
  • Maximum Print Speed: 80 mm/s
  • Maximum Print Width / Printable Width: 104 mm (variants up to 112 mm)
  • Maximum Media Width: 112 mm
  • Connectivity: Bluetooth, RS232 / Serial
  • MFi Certified (where applicable): Yes
  • Display: LCD or Color touch LCD (model dependent)
  • Ingress Protection Rating: IP54 (selected models)
  • Paper Loading: Drop-In & Print
  • Sensor Type: Black mark / Transmissive / Reflective (model dependent)
  • Magnetic Stripe Reader: Optional 3-track MSR (model dependent)
  • Color: Black (some variants with gray housing)
  • Dimensions (W × H): 151 mm × 63 mm (example variant)
  • Weight: 735 g (example variant)
  • Battery Included: Yes

Main Features

  • Rugged: Industrial

  • POS: Yes

  • DPI: 203 dpi

  • Case color: Grey

  • Connection: RS232, Bluetooth

  • Max Width: 4 mm

  • Printing Technology: Direct Thermal

Technical Specifications
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Technical Information
Recommended Use Label/Receipt Print
Print Color Capability Monochrome
Maximum Mono Print Speed 3.15 in/s
Maximum Print Resolution (dpi) 203
Maximum Print Width 4.09"
Application/Usage
  • Retail
  • Government
  • Healthcare
  • Manufacturing
Features
  • Magnetic Stripe Reader
  • LCD Display
  • Tear Bar
  • Lightweight
  • Rugged
  • Dust Resistant
Mobile Device Printing Yes
Print Technology Direct Thermal
Interfaces/Ports
Serial Port Yes
Network & Communication
Bluetooth Yes
Display & Graphics
Display Screen Type LCD
Media Types & Handling
Media Type
  • Gap
  • Notched
  • Reflective
  • Black Mark
  • Label
  • Receipt
Media Sensor Gap Sensor
Maximum Roll Diameter 1.97"
Maximum Label Width 4.41"
Power Description
Power Source Battery
Battery Information
Battery Included Yes
Physical Characteristics
Form Factor Portable
Color Family Gray
Product Color Gray
Height 5.4"
Width 5.9"
Depth 2.5"
Weight (Approximate) 1.62 lb
Miscellaneous
Package Contents
  • SM-T400i Portable Printer
  • AC Adapter
  • Battery Pack
  • Sample Paper Roll
  • Belt Clip
  • Setup Sheet
Power Adapter Included Yes
Platform Supported
  • Android
  • PC
  • iOS
Country of Origin South Korea
Documents
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Product document mod-sm-t400i-star_micronics-label-printer-datasheet.pdf 39631711 Product document star-sm-t400-printers.pdf 39631711 Product document sm-t400i.pdf MOD-SM-T400I