Epson OmniLink TM-m30II-h Thermal Receipt Printer, USB/Ethernet, White (C31CH92021)

The Epson OmniLink TM-m30II-h, part number C31CH92021, is a compact 3-inch thermal POS receipt printer. Epson lists this SKU as the TM-m30II-h Ethernet model in Epson White: it connects to a computer or network by USB or Ethernet and adds four USB Type-A ports for peripherals and tablet charging. It suits wired POS stations where counter space is limited.

Key features

• Wired connectivity: USB Type-B (USB 2.0 Full-speed) and 10/100Base-T/TX Ethernet.
• Built-in USB hub: one white USB Type-A device-charging port (up to 2.1 A) plus three standard USB Type-A ports. Epson lists support for up to four USB POS peripherals.
• Tablet support: one USB cable charges a tablet and carries data for iOS devices and Android 10 or later; USB-Network-Tethering shares the printer's network with iOS devices.
• Receipt output: up to 250 mm/sec at 203 dpi, with an auto cutter.
• Top or front paper exit: ships set for top exit; moving the rear and bottom covers changes it to front exit.
• Server Direct Print: retrieves print data from a web server for online ordering.

Specifications

Typical applications

• POS stations printing over USB or wired Ethernet
• Tablet checkouts powered and connected through the printer's USB port
• Printing online orders with Server Direct Print
• Small counters that need a top-exit or front-exit printer

Compatibility

Epson lists iOS, Android, Windows, Mac OS X and Linux as supported operating systems. Developer and driver support includes the Epson ePOS SDK (iOS, Android, JavaScript), OPOS ADK and OPOS ADK for .NET (Windows), JavaPOS ADK (Windows, Linux), the Epson Advanced Printer Driver, a Mac printer driver and a CUPS driver.

How it compares

Epson lists three TM-m30II-h interface models, each in white or black. This SKU is the Ethernet model in white; C31CH92022 is the black Ethernet model. The wireless model (C31CH92A9991 white, C31CH92A9981 black) adds Epson's WL06 wireless LAN unit, according to distributor part descriptions. The Bluetooth model is C31CH92011 (white) or C31CH92012 (black).

Frequently asked questions

Does the Epson TM-m30II-h C31CH92021 have Wi-Fi or Bluetooth?

No. C31CH92021 is Epson's Ethernet model, so it connects by USB or wired Ethernet. Epson's technical reference guide lists the OT-WL06 wireless LAN cable set as an option that enables Wi-Fi on the TM-m30II-H.

What color is C31CH92021?

Epson White (color code ENB9). The black version of the Ethernet model is C31CH92022.

Can a tablet connect to this printer by USB?

Yes. The white USB Type-A port supplies up to 2.1 A to charge a tablet and supports data with iOS devices and Android 10 or later. Epson notes that USB-Network-Tethering works only with iOS devices.

Does it support 58 mm paper?

Yes. It takes 80 mm or 58 mm thermal rolls up to 83 mm in diameter. Epson's technical reference guide describes switching to 58 mm with the 58 mm roll paper guides and advises against returning to 80 mm after extended use at 58 mm.

What is in the box?

Epson's specification sheet lists the printer, a PS-180 power adapter with AC cable, a power switch cover, a starter paper roll, a setup guide and a 58 mm roll paper guide, noting that contents vary by SKU. No USB or Ethernet cable is listed.

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