# GoPrinter 12.7 mm vs 25.4 mm: separate cartridges; half-inch colours in stock

- Source-Date (SAST): 2025-06-20 15:06; intro 2025-06-13 23:53; substrate/colour 2024-10-10 09:29
- From/To: Eric → sales; cc support
- Dest: public
- Review-after: 2027-08-31
- Status: current
- Source: company email (Archives/Internal Affairs), 2025-06-20 / 2025-06-13

## Facts

- Compare models: https://www.youtube.com/watch?v=Ha6_X7JQS_M
- **GO-PRINTER/127**: 12.7 mm (half-inch) handheld printer complete unit with black EPIC dry ink cartridge, lithium battery and charger.
- **GO-PRINTER/254**: 25.4 mm (one-inch) handheld printer complete unit with black EPIC dry ink cartridge, lithium battery and charger. Print height is double. The two printers do **not** share ink cartridges.
- Surfaces: print on **solid, flat** material. Skin is a poor substrate unless held firm.
- One cartridge = **one colour**. Colour is the cartridge colour; several colours exist.
- Photo FAQ album: https://photos.app.goo.gl/f5STwueurVa7aDqF6
- Half-inch 42 ml EPIC dry cartridges (9 V 1.8 μs, adsorption/dry surface): **GO-INK/DRY/BLACK**, **GO-INK/DRY/BLUE**, **GO-INK/DRY/GREEN**, **GO-INK/DRY/RED**, **GO-INK/DRY/WHITE**, **GO-INK/DRY/YELLOW**, and **GO-INK/DRY/UV** (invisible until UV light).