Epson SureColor T3770DE: Setup, Drivers, Ink and Common Problems

Is the Epson SureColor T3770DE right for you?

The SureColor T3770DE is a 2023 24-inch technical printer with two roll feeds, six XD3 inks including red for vivid line colours, and the wide PrecisionCore head that makes it one of the fastest CAD printers in its class. The related T5770DM is the 36-inch version with an integrated scanner. They target busy AEC and reprographics shops that want dual media without operator intervention. Being new, they receive frequent firmware updates.

Best for: Busy AEC and reprographics shops wanting dual-roll 24-inch printing

Setting up the Epson SureColor T3770DE

Install on Ethernet with a static IP and load the standard, HP-GL/2 and optional PostScript drivers from epson.com/support. Configure each roll's media type on the touchscreen and assign the second roll for auto-switching. Set an admin password in Web Config.

1. Unbox and prepare. Remove every piece of shipping tape and packing material, install the ink cartridges, and load paper in the tray.
2. Join your Wi-Fi. Keep the printer close to the router for setup. Most printers only connect to the 2.4GHz band, so if your router broadcasts one merged network name you may need to split the bands temporarily. See our Wi-Fi guide if it will not join.
3. Install the setup app. Use Epson's official app rather than a driver you found on a search result — third-party driver sites are the most common source of printer malware.
4. Add the printer. On Windows 11: Settings › Bluetooth & devices › Printers & scanners › Add device. On macOS: System Settings › Printers & Scanners › Add Printer.
5. Print a test page and run a scan if this is an all-in-one, so you find any problem now rather than when you are in a hurry.

Ink, toner and supplies

The Epson SureColor T3770DE uses the following consumables. Match the number exactly when you buy: the same printer family often uses several different cartridge numbers by region.

• Epson T50K / T50L UltraChrome XD3 cartridges (Black, Cyan, Magenta, Yellow, Red, Gray)
• Epson maintenance box

High-yield (XL) versions almost always cost less per page if you print regularly. On third-party ink and toner, read our honest assessment first, and note that some manufacturers push firmware that rejects non-original chips.

Full specifications