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SM-T400i Portable Printer

Solutions For:

  • 4 Inch Ultra Rugged Mobile Printer
  • Apple MFi Certified
  • Small and Light Weight Design
  • Long Battery Life
  • Bluetooth (2.1:SPP and iOS) and Serial
  • LCD Display for Battery Life and Print Error
  • Transmissive and Reflective Sensors
  • 3DES Encryption
  • Magnetic Stripe Reader (SM-T404i)
  • Available with WebPRNT Browser App
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SM-T400i Printer Description

As the widest format portable Bluetooth printer in Star’s “i” Series, the SM-T400i is a rugged four inch (112mm) portable Bluetooth printer with a wide 104mm printable area, ideal for data filled service reports, delivery notes or law enforcement citations. The SM-T400i includes both transmissive and reflective sensors enabling label printing ideal for government, healthcare, manufacturing, retail, and shipping and receiving industry applications.

Apple MFi certified, the SM-T400i portable receipt printer is approved for use with the iPod Touch®, iPhone® and iPad®. With operating system support for iOS, Android and Windows, the SM-T400i also boasts a configurable Eco-Friendly Auto Power Down mode. Dust protected and splash-proof resistant (IP54 Certified), the SM-T400i is a welcomed option for any environment.

The SM-T400i includes the ability to print receiptsor data from a web browser-based application running on a mobile devicewirelessly by configuring Star's WebPRNTBrowser. Once configured, the user simply pairs their mobile deviceto the SM-T400i, open the application on WebPRNTBrowser andprints from the application.

In addition to a print speed of 80mm persecond, Star’s SM-T400i prints at a resolution of 203 DPI and comes with“Drop-In and Print” easy paper and label loading as well as an LCD display. Itships complete with an AC charger, battery pack, serial cable, sample roll,belt clip and set up sheet. Options include a 4 unit battery charger, carcharger, extra battery charger, extra battery pack and shoulder strap for allmodels.

Also available is the SM-T404iwhich includes an integrated Magnetic Stripe Reader. The MSR supports3DES encryption.


Click here to integrate this Star Apple, Inc. MFi certified product.


Specifications - SM-T400i


Printer Method   Direct Line Thermal Printing
Print Speed   80mm/sec
Print Width   104mm
Print Resolution   203 dpi
Dimensions   151(W) x 142(D) x 63(H) mm
Weight   735g (battery loaded)
Battery Type   Lithium Ion
Battery Duration   20 Hour Printing (5 Minute Intervals)
AC Adapter   4 Hours Full Charge Time
Power Voltage   7.4 V

Paper Specifications

Loading Method
Roll Diameter

Thermal Paper
"Drop-In & Print"
0.06 - 0.07mm

Interface   Bluetooth (2.1: SPP and iOS)
Connectivity   WebPRNT Browser App

Print Head

37M Lines

Mag Stripe Reader   Supports 3DES encryption
Drop Test   With MSR: 5ft (1.5m) drop test, Without MSR 4ft (1.2m) drop test
Supported OS   Supports iOS, Android and Windows
Auto Power Down Mode   Auto sleep mode after 1-5 Minutes, Configurable
Included   AC Adapter, Battery, Serial Cable, Sample Roll, Setup Sheet
Warranty   1 Year Limited Manufacturer Warranty

Shoulder Strap
Car Charger
Extend-A-Star Extended Warranty Program (US, Canada and Mexico)
Swap-A-Star Extended Warranty Program (US)

Features - SM-T400i


3-Inch Print Outs   Perfect handheld solution for standard size printouts
Small, Light Weight Design   Perfect for potential rush environments
Ultra High Durability   Ultra durable design to withstand harsh conditions and long periods of use
Long-Lasting Battery Life   8 hour battery life at 5 minute printing intervals
LCD Display   Easy to determine battery life and error type
Power Down Mode   Configurable to get into sleep mode after 1~5 minutes of inactivity
Direct Thermal Printing   No ribbon required for high quality printouts
Fast Output   Prints text at 80mm/sec
Apple MFi Certified   Supports iOS, Android, Windows and all other operating systems
Barcode / Graphics Printing Support   Print standard barcodes, 2D barcodes, and images
“Drop In & Print” Paper Loading   Clamshell design allows for very fast and easy paper loading
Cover Open Sensor   Alerts the user if the cover was closed improperly
Magnetic Stripe Reader   Included on the printer for user convenience
Ready for Use Out of Box   Ships with AC Adapter, Battery Pack, Sample Paper Roll, Belt Clip and Setup Sheet

Related Products - SM-T400i

Shoulder Strap

An alternative to the included belt clip allows the printer to always be at the user’s hip.
Part Number: 39599020
Car Charger

Charge the printer on the go.
Part Number: 39569360
Extra Battery Pack

Extra batteries are available to ensure maximum uptime.
Part Number: 39569131
Extra Battery Charger

Individual chargers are available for extra batteries.
Part Number: 39569160
4 Unit Battery Charger

Charge up to four extra batteries at once with this small device.
Part Number: 39599370
Extend-A-Star Extended Warranty

The Extend-A-Star Extended Warranty Program provides full bumper-to-bumper coverage available for 2 years.
Swap-A-Star Extended Warranty

The Swap-A-Star Extended Warranty Program provides next business day replacement coverage available for 2 years.
Battery Charger S US

Part Number: 39569300 - Power Adapter for SM-S and SM-T Battery bays and printers
Paper and Supplies

Part Number: 37962210 - 112mm
(4") x 38mm (1.4" diameter) Thermal Paper Roll

Part Number: 37965090 - 112mm
(4.4") x 50mm (1.9" diameter) Thermal Label Roll, 4" x 2" labels with 24mm core I.D. (175 Labels) (12 pack)

Part Number: 37965100 - 112mm
(4.4") x 50mm (1.9" diameter) Thermal Label Roll, 4" x 3" labels with 24mm core I.D. (110 Labels) (12 pack)

Part Number: 37965110 - 112mm
(4.4") x 50mm (1.9" diameter) Thermal Label Roll, 4" x 4"labels with 24mm core I.D. (85 Labels) (12 pack)



Part NumberModelDescription
39634210SM-T400I2-DB50 US GRYSM-T400i, Portable Thermal Rugged 4" Tear Bar, iOS, Android, Windows Bluetooth/Serial, Gray, NO MSR, Charger Included
39634310SM-T404I2-DB50SM-T400i, Portable Thermal Rugged 4" Tear Bar, iOS, Android, Windows Bluetooth/Serial, Gray, MSR, Charger Included
39569360CAR CHARGER SM-S/T V2Car charger for SM-S200, S220i, S230i, T300, T300i and T400i i
39599020SHOULDER STRAP T300Shoulder Strap for SM-T300
39569350BATTERY PACK T4Single battery pack for SM-T400i
39569410BATTERY HOLDER T4Battery charger (1 bay cradle) for SM-T400i
395693704P CHARGER T4 US4 bay battery charger for SM-T400
39569300BATTERY CHARGER S USReplacement Power Supply for Battery Charger (SM-S, SM-T)

For all Star products support and "how to" videos, please go to the "Star Product Training and How To Videos" Playlist area of the StarMicronics YouTube Channel here: Star Product Training & How To Videos

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