Key facts
- Brand
- Epson
- Model
- TM-T88III
- Category
- Printer
- Industry
- Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2026-09-28
Start here

Epson TM-T88II/TM-T88III Thermal Printer Technical Reference Guide
This guide covers everything needed to plan, install, and develop applications for the Epson TM‑T88II and TM‑T88III POS thermal printers. It includes a product overview, safety warnings, hardware setup, interface connections, and detailed ESC/POS command information.
The document also contains full product specifications, options and consumables, interface details, and a comparison table between the two models, making it a comprehensive reference for developers, system integrators, and service technicians.
Epson TM-T88III specifications
| Print method | Thermal line printing |
|---|---|
| Print width (standard paper) | 72 mm (2.84 in) |
| Cut type | Partial cut (left‑most one point uncut) |
| Maximum paper thickness | 100 µm or less |
| Interface | RS‑232C/bidirectional parallel (optional USB, Ethernet) |
| Power supply | Optional AC adapter PS‑180 or PS‑170 |
| Operating voltage | 24 VDC ± 7 % |
| Current consumption (high‑speed mode, average) | TM‑T88II ≈ 1.7 A, TM‑T88III ≈ 1.8 A |
| Weight | Approx. 1.8 kg (3.968 lb) |
| Operating temperature / humidity | 5‑45 °C, 10‑90 % RH |
Source: Epson TM-T88II/TM-T88III Thermal Printer Technical Reference Guide
All Epson TM-T88III documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Instruction set, parameters and examples for configuring or programming the device.
Questions answered in these manuals
I cannot print part of Page 0 in Visual Basic. Why?
Visual Basic cannot send data bytes in the ranges 81H‑9FH and E0H‑FEH; those characters must be avoided or sent using a different method.
From: Epson TM-T88II/TM-T88III Thermal Printer Technical Reference Guide
What new printer was added in version 10.01?
Version 10.01 added the TM‑P60 printer.
From: Epson Paper Roll Printers ESC/POS Application Programming Guide
How are ESC/POS commands classified?
Commands are classified by functions such as print, character, print position, as well as by sheet and grade.
From: Epson Paper Roll Printers ESC/POS Application Programming Guide
I cannot print part of Page 0 in Visual Basic. Why?
Visual Basic cannot send data bytes in the ranges 0x81‑0x9F and 0xE0‑0xFE; you need to send those bytes using a byte array instead of a string.
