This English quick guide is based on the Korean catalog. Confirm model-specific compatibility and installation details on the manufacturer’s official page.
Download Pro WF-3720 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/fax settings and shared jobs.
- Follow the manufacturer’s instructions for power, USB, and network connections.
Model and driver source
This guide is for the cartridge colour inkjet print/copy/scan/fax mfp. pc usb,ethernet,2.4ghz wi-fi. model Epson Pro WF-3720. 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: Actual Windows10 x64 Print2.100.00 (2025-11-12,34.9MB) names WF-3720,compatible Win11+10/8.1/8/7/XP/Vista x64. Separate Epson Scan2 6.2.5.0 (2017-05-19,25.4MB,epson18528.exe) names WF3720,lists Win11+10/8.1/8/7/XP/Vista 32/64-bit. Select separate x86 print file for x86. Windows file verification only;Mac/Linux/Server menus are not compatibility proof or legacy 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
- Confirm model/region/OS/CPU/administrator rights,ink charging and paper. Preserve queues/ports/media/scan/fax/shared jobs.
- Exact official download: manually choose actual OS/GO and read each file model/compatibility/licence. Official Start Here: PC USB initially disconnected; cancel premature hardware wizard. Select Direct USB connection and connect only when actual installer requests. Distinguish PC USB from memory/LAN/fax. Verify queue/port/media,test print and separate Scan2.
- Ethernet: approved router/switch,Wired network connection prompts,current actual IP/queue port. No example IP overwrite.
- Wireless connection: actual approved SSID/case-sensitive key,2.4GHz enabled,same approved network. Router Wi-Fi differs from Direct. After router replacement recheck actual network/address. Test print/scan separately;coordinate restarts.
Epson Pro WF-3720 not printing: check possible causes
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 |