This English quick guide is based on the Korean catalog. Confirm model-specific compatibility and installation details on the manufacturer’s official page.
Download ET-8550 driver
- Match the full model number on the device label, including suffixes.
- Check your operating-system version and architecture on the official support page.
- Preserve working queues,ports,media/scan settings and other users' jobs.
- Follow the manufacturer’s instructions for power, USB, and network connections.
Model and driver source
This guide is for the colour ink-tank photo inkjet print/copy/scan multifunction device,pc usb,ethernet and wi-fi. model Epson ET-8550. The download button opens the official Epson support page in this window. The manufacturer’s page is authoritative for the available driver packages and their current compatibility.
Operating-system and download checks
The Korean catalog lists these systems for checking: Verified8 October2026. Actual Windows10 x64: Print3.80.05 (2026-08-11,67.5MB,ET8550_X64_38005_NA.exe),Windows11,10/8.1/7/Vista64bit and Server2022/2019/2016/2008 64bit. Separate Scan2 6.7.81.0 (2025-10-24,65.8MB,ET8550_EScan2_67810_NA.exe) lists Windows11,10/8.1/8/7/Vista32/64bit,Server2022/2019/2016/2012 and2008 32/64bit. Windows8 and Server2012 scan compatibility is not print-file compatibility. Both descriptions require Windows11 24H2 or later for ARM devices. Actual Mac26: Print13.45 (2026-06-12,74MB,ET8500_L8160_ET8550_L8180_1345_AM.dmg),Scan2 6.7.84 (2025-09-12,66.5MB,ET8550_EScan2_6784_NA.dmg). Print listsET8500/ET8550 and26/15/14/13/12/11/10.15–10.12/OSX10.11–10.6. Recheck exact CPU and individual file conditions. Legacy file availability is not OS security support.. Select your exact operating system and version on the official page. If your version is not offered, do not install a package intended for a different system.
Connection and installation
- Check exact model,OS/CPU/rights,power,ink,paper. Preserve settings/jobs. New-device initial charging must finish first; no unplugging,opening inner covers or loading paper during charging. Do not repeat charging on working equipment.
- Exact official ET-8550 support: select actual OS,GO,inspect compatible file/licence. Official Start Here starts with PC USB disconnected. Cancel premature Found New Hardware. Choose Direct USB connection in compatible setup and attach PC USB only at the actual prompt. Rear USB is for computers; front USB is for external devices. Actual manual excludes USB3.0 cables. Verify exact queue/port/media and test. Mac: open compatible DMG and installer icon. Test compatible Scan2 and the actual device separately.
- Wired network connection: approved network,rear LAN,Category5e or higher shielded cable. Follow actual connection prompt. Verify model,current IP,reachable network and real queue-port address; no copied example IP/reset.
- Wireless connection: Home → network icon → Wi-Fi(Recommended) → Start Setup or Change Settings → Wi-Fi Setup Wizard. Already wired: use actual Router/Change to Wi-Fi connection prompts. Approved actual SSID or Enter Manually,case-sensitive password,OK,verify,Start Setup. Success Close; failure Print Check Report. Actual current manual lists2.4GHz b/g/n and5GHz a/n/ac; obey regional/channel/outdoor restrictions. Ethernet and router Wi-Fi cannot be used simultaneously. Check actual IP/queue and printing/scanning separately. Wi-Fi Direct differs from router Wi-Fi.
Official model User’s Guide: ports,network,errors. Unsupported ET16650 performance recommendations removed.
Epson ET-8550 not printing: check possible causes
Rear feed for A3+ paper and thick cardstock
The ET-8550 has a rear feeder for stacks and a rear slot for a single sheet. Choose the path by paper type and thickness, even when both sheets are A3+.
- Rear Paper Feeder. Load up to 50 sheets of A3 or A3+ plain paper. For A3 and A3+ photo and matte stocks marked with an asterisk in the Epson capacity table, the limit is five sheets. Use the table for other media.
- Rear Paper Feed Slot. Load one sheet of supported thick paper or cardstock from 0.61 to 1.3 mm. A3 and A3+ are supported sizes on the ET-8550.
- In Windows, choose the feeder or slot in Paper Source. In macOS, Rear Paper Feed selects the feeder. For the slot, choose a compatible entry under Paper Size. Windows settings · macOS settings
- For the slot, send the job and wait for the printer to prompt you. Insert the sheet short edge first with the printable side up. If a sheet loaded early ejects blank, retry in this order. Loading diagrams · Blank ejection help
If the paper and source match but the option is missing or jobs fail only from the computer, check the official ET-8550 driver for that operating system.
Features and interfaces vary by model. This is a general diagnostic sequence; confirm Wi-Fi, scanning, AirPrint and error-code instructions in the model manual.
| Possible cause | First checks | Help |
|---|---|---|
| Device, paper or supplies | Check the device display and supported self-test. | Check steps |
| USB detection and cable | Compare cable and port, then follow the model installation sequence. | Check steps |
| Offline or network address | Check the supported connection method and current address. | Check steps |
| Print queue or spooler | Check the first failed job and queue pause status. | Check steps |
| Model, driver or OS mismatch | If the connection works but computer printing fails, match the model and OS. | Open this model driver guide |
| Blank pages or quality settings | Compare device-only and computer output. | Check steps |