Star Micronics SM-T400i Mobile Printer

SM-T400i 4” (112mm) rugged iOS, Android, Windows Bluetooth mobile printer

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The Star SM-T400i is a rugged mobile printer offering simple, smart Bluetooth printing; compatible with all major operating systems including iOS™, Android™, Windows™ and Linux™.

The SM-T400i offers Advanced Apple Inc. MFi Certification allowing it to pair with iPad®, iPhone® and iPod Touch® along with all Bluetooth SPP (Serial Port Profile) devices with additional wired serial connection flexibility.

With a durable splash and dust proof design and the ability to be drop tested up to 1.5 metres; the SM-T400i fits seamlessly into the majority of environments including retail, hospitality, field work and anywhere where a handheld device is required to seamlessly print to a portable printer.

In addition, the SM-T400i offers a 20 hour battery life (printing at 5 minute intervals); high reliability; fast print speeds of 80mm per second; intuitive LCD display, simple “Drop-In & Print” paper loading and easy setup facility.


The SM-T400i is a compact printer which supports 4 inch (112mm) thermal paper. Its compact size, long battery life and Bluetooth connection makes it a welcome printer option for retail and hospitality vendors as well as payment processing vendors looking for a mobile solution. Payment processing devices can easily be attached to the SM-T400i through its accessory serial ports making the printer very adaptable for any usage scenario.

Print Method Direct thermal
Print Speed (per second) 80mm
Print Width 104mm
Resolution 203dpi
Battery Duration 20 hours at 5 minute printing intervals
Paper Width 112mm
Paper Thickness 0.06 - 0.07mm
Paper Roll Diameter 50mm
Paper Loading "Drop-In & Print"
AC Adaptor AC charger and battery pack included
Drop Test 1.5m
Barcodes 1D, 2D
Interface RS232C Serial and Bluetooth
Magnetic Stripe Reader ISO standard 1, 2 and 3
Auto Power Down Mode Configurable
Characters per Line
Character Support Cyrillic, Russian, Turkish, Greek, Japanese, Persian, Lithuanian, Portuguese, Israel, Latin 1 and others upon request
Reliability MCBF: 37 million lines
Print Head: 50km
Power Voltage DC 7.4V Lithium-Ion Battery 1130mAh
Operating System Support iOS, Android and Windows
Dimensions (W x D x H) 150.9mm x 136.6mm x 63.3mm
Weight 735g with battery
Included AC charger
Battery pack
Sample paper roll
Serial cable
Belt clip

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