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OmniLink TM-T88VI-i Intelligent Thermal Receipt Printer

The groundbreaking OmniLink® TM-T88VI-i helps merchants deliver the best customer experience in an ever-changing market. Featuring multi-interface and hub connectivity, this intelligent printer meets POS needs both now and in the future. A built-in Web server supports custom Web applications, while Epson’s ePOS Device Technology enables businesses to use the printer as a peripheral hub for mobile/cloud-based POS. With built-in Ethernet and USB, plus Bluetooth® and wireless options, the TM-T88VI-i supports traditional PC-POS, mobile devices and cloud servers. Print from web-based applications. Or, utilize Server Direct Printing for online ordering. Use the cloud functionality to leverage best-of-breed POS applications with OmniLink Merchant Services.


  • Do more with custom Web applications – built-in Web server offers maximum flexibility and customization
  • Manage peripherals – Epson’s ePOS Device Technology enables you to use the printer as a peripheral hub for mobile and cloud/browser-based POS systems
  • Connect to multiple devices simultaneously – printer can be dynamically shared by legacy POS terminals, tablets and mobile devices, as well as cloud servers
  • Triple-interface connectivity to future-proof growing businesses – maximum flexibility with three options, including built-in USB and Ethernet
  • Print from web-based applications – incorporates Epson’s ePOS Print Technology
  • Designed for the cloud – leverage best-of-breed POS apps and perform remote firmware upgrades using OmniLink Merchant Services, plus utilize Server Direct Printing for online ordering
  • Distributed proximity-based printing – through Epson’s beacon support using BLE (Bluetooth Low Energy)1
  • Easy printing from mobile devices – NFC (Near Field Communication) technology for easy pairing with your devices
  • Ultra fast transaction times – print speeds up to 350 mm/sec3, plus a high-speed auto cutter
  • Advanced paper-saving functions – top-margin and character-height reduction features help reduce paper usage by up to 49 percent4

Part Number(s):

  • C31CE94731 – TM-T88VI-I-731:I/F ETH,SRL&USB;EBCK

Detailed Specifications

Print Other

Printing Technology:
Thermal line printing
Print Resolution:
180 dpi
Print Speed:
350 mm/sec (13.8”/sec) max. for graphics and text1
Print Direction:
Backward Paper Feeding function: 0.08″ ~ 0.6″/sec (2 mm ~ 14.5 mm)1


Operating Systems:
Microsoft® Windows (APD, OPOS, OPOS for .NET, JavaPOS)
Microsoft Windows 8.1 / iOS / Android (ePOS-Print SDK)
Mac® OS X®
Linux (CUPS, JavaPOS)
Server Systems:
Type: Embbeded
CPU: Arm-Cortex-A5 384MHz
Embedded Linux: lighttpd
5.71 x 7.68 x 5.83″ (145 x 195 x 148mm) (W x D x H)
3.5 lbs (1.6 kg)
Port open/close setting
IP address filtering
Safety Approvals:
Safety standards: UL60950-1/CSA C22.2 No.60950-1
EMI standards: FCC/ICES-003 Class A
Case Color:
Epson Black (EBCK)

Print Fonts

Print Fonts:
Font A (default): 12 x 24
Font B: 9 x 17 (including 2-dot horizontal spacing)
Column Capacity:
80 mm: 42/48/56 columns
58 mm model: 30/36/40 columns
Character Size:
Font A: 1.41 x 3.39
Font B: 0.99 x 2.40 (W x H mm)
Font A (default): 12 x 24
Font B: 9 x 17 (including 2-dot horizontal spacing)
Character Set:
95 Alphanumeric
18 International
128 x 43 Graphic (including user-defined page)
Options for customization include Traditional/Simple Chinese, Thai, Japanese and Korean.
UPC-A/E, Code 39/93/128, CODABAR PDF417, QR-CODE, MaxiCode, Data Matrix, Aztec Code, Composite Symbology, GS1-128, GS1 DataBar Omnidirectional /Truncated /Limited /Expanded

Media Handling

48 – 80 µm
Media Dimensions:
80mm: 3.13″ ± 0.02″ (width) x 3.27″ roll diameter (79.5 ± 0.5 x 83mm)
58mm: 2.26″ ± 0.02″ (width) x 3.27″ roll diameter (57.5 ± 0.5 x 83mm)


Standard Connectivity:
Built-in USB, Serial, Ethernet (10/100Base-T/TX)
Connector Type: USB Type A Connector x1, USB Type B Connector x4, RJ45 x1, DB9 Male x1, DKx1, 3 Pin Mini Din Female X1
Wireless (Requires USB wireless dongle) OT-WL05 (802.11 a/b/g/n, 2.4G/5G) or OT-WL02 (802.11 b/g/n, 2.4G)
Beacon (Requires Bluetooth Low Energy dongle) Beacon dongle3 (Epson-approved dongle: Laird model BT820)
Printer Discovery NFC (Near Field Communication)4, Simple AP (wireless network)
Communication Protocols ESC/POS, ePOS-Print Service (Ethernet/Wireless), Server Direct Print (Ethernet/Wireless)
Printing from a Mobile Device:
Wireless (802.11): iOS, Android™ and Windows® operating systems
Bluetooth iOS, Android and Windows
mPOS Friendly Settings (default): DHCP enabled, DNS enabled, IP printing enabled

POS Details

MTBF: 50,000 hours
MCBF: 70,000,000 lines
Thermal head life: 200km2
Auto Cutter life: 3 million cuts2
Data Buffer:
Receive: 45 bytes or 4 KB, selectable
User-defined: 12 KB
Macro: 2 KB
NV graphics: 384 KB
Downloaded Graphics Area: 208 KB
NV user: 1KB
Web Contents Area: 100 MB
2 drivers
Software Included:
ePOS-Print (XML over HTTP)
Server Collaboration: Server Direct Print and XML base printing
Backup/Restore: TM Utility (Win)
Power supply cover, AC adapter V power supply, one wall hanging bracket, affixing tape


Power Supply Voltage:
Input Voltage: AC 100 V – 240 V
Frequency: 50Hz-60Hz
Power Consumption:
Operating: Approx. 27.4 W
Stand-by: 1.5 W