1. Introduction
This manual provides essential information for setting up, operating, and maintaining your Epson WorkForce Pro WF-3820 All-in-One Printer. The WF-3820 is designed for efficient printing, scanning, copying, and faxing, featuring wireless connectivity, automatic 2-sided printing, a 35-page Automatic Document Feeder (ADF), a 250-sheet paper tray, and a 2.7-inch color touchscreen. It incorporates Epson's PrecisionCore Heat-Free Technology for reliable performance.

Image 1.1: Front view of the Epson WorkForce Pro WF-3820 printer, showing the control panel and paper tray.
2. What's in the Box
Verify that all components are present in the package before proceeding with setup.
- Epson WorkForce Pro WF-3820 Printer
- Quick Setup Guide
- CD-ROM with Drivers and Documentation
- Power Cord
- 4x DURABrite Ultra Ink Cartridges (1x Black, 1x Cyan, 1x Magenta, 1x Yellow)

Image 2.1: Contents of the printer box, including the printer, ink cartridges, power cord, and setup materials.
3. Setup
3.1 Unpacking and Initial Placement
Remove all protective materials and tape from the printer. Place the printer on a stable, flat surface with adequate space for ventilation and paper handling.
3.2 Power Connection
Connect the power cord to the printer and then to a power outlet. Press the power button to turn on the printer.
3.3 Ink Cartridge Installation
Open the ink cartridge cover. Unpack the DURABrite Ultra ink cartridges and insert them into their corresponding color slots until they click into place. Close the cover.

Image 3.1: Epson DURABrite Ultra Ink Cartridges, showing individual colors.
3.4 Software and Driver Installation
Insert the provided CD-ROM into your computer's drive and follow the on-screen instructions to install the printer drivers and software. Alternatively, download the latest drivers from the official Epson support website.
3.5 Network Connection
The WF-3820 supports wireless (Wi-Fi), Wi-Fi Direct, Bluetooth Low Energy (BLE), and Ethernet connectivity.
- Wireless Setup: Use the 2.7-inch color touchscreen to navigate to the Wi-Fi setup menu and connect to your wireless network.
- Epson Smart Panel App: Download the Epson Smart Panel app on your smartphone or mobile device for guided wireless setup and enhanced connectivity.
- Ethernet: Connect an Ethernet cable from the printer to your router or network hub.

Image 3.2: Epson WF-3820 printer highlighting key features including the 2.7-inch color touchscreen and paper tray.
4. Operation
4.1 Loading Paper
Open the paper tray and adjust the paper guides to fit the paper size. Load up to 250 sheets of plain paper. For the Automatic Document Feeder (ADF), place documents face up in the ADF tray.
4.2 Printing
From your computer or mobile device, select the print function in your application. Choose the Epson WF-3820 as your printer. Adjust print settings such as paper size, print quality, and enable auto 2-sided printing if desired. The printer delivers speeds up to 21 ISO ppm (black) and 11 ISO ppm (color).
4.3 Scanning
Place your document on the scanner glass or in the ADF. Use the Epson ScanSmart software on your computer or the scan function on the printer's touchscreen to initiate scanning. You can scan to a computer, cloud services, or email.

Image 4.1: Epson WF-3820 printer with the Automatic Document Feeder (ADF) open, ready for scanning or copying multiple pages.
4.4 Copying
Place the document on the scanner glass or in the ADF. On the printer's 2.7-inch color touchscreen, select the 'Copy' option. Adjust settings like number of copies, color/black & white, and 2-sided copying, then press 'Start'.
4.5 Mobile Printing and Smart Features
Utilize the Epson Smart Panel App for printing directly from your mobile device. The printer also supports voice-activated printing commands through Alexa-enabled devices.
5. Maintenance
5.1 Replacing Ink Cartridges
When an ink cartridge is low or empty, a message will appear on the printer's touchscreen. Open the ink cartridge cover, press the tab on the empty cartridge to release it, and remove it. Insert a new genuine Epson DURABrite Ultra ink cartridge into the correct slot until it clicks. Close the cover.

Image 5.1: Close-up view of the Epson WF-3820 printer's ink cartridge slots with cartridges installed.
5.2 Cleaning the Printer
- Exterior: Wipe the exterior of the printer with a soft, damp cloth.
- Scanner Glass: Clean the scanner glass with a soft, lint-free cloth and a mild glass cleaner.
- Print Head: If print quality declines, perform a print head cleaning or nozzle check from the printer's maintenance menu on the touchscreen or through the printer software on your computer.
6. Troubleshooting
This section addresses common issues you might encounter with your Epson WF-3820 printer.
- Printer Not Responding: Ensure the printer is powered on and connected to the network or computer. Check for error messages on the touchscreen.
- Paper Jams: Follow the on-screen instructions or refer to the quick setup guide to clear any jammed paper from the paper tray, ADF, or internal areas.
- Poor Print Quality: Perform a nozzle check and print head cleaning. Ensure genuine Epson ink cartridges are used and not expired.
- Network Connectivity Issues: Restart your router and printer. Re-run the wireless setup from the touchscreen or Epson Smart Panel app. Verify network settings.
For more detailed troubleshooting steps, refer to the comprehensive documentation on the CD-ROM or visit the official Epson support website.
7. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions (D x W x H) | 16.7" x 19.4" x 9.8" |
| Item Weight | 19.4 pounds |
| Printing Technology | Inkjet (PrecisionCore Heat-Free) |
| Maximum Print Speed (Black) | 21 ppm (ISO) |
| Maximum Print Speed (Color) | 11 ppm (ISO) |
| Maximum Print Resolution | 4800 x 1200 dpi |
| Scanner Type | Flatbed |
| Automatic Document Feeder (ADF) | 35-page capacity |
| Paper Capacity | 250 sheets |
| Display | 2.7" Color Touchscreen |
| Connectivity Technology | Wireless (Wi-Fi), Wi-Fi Direct, Bluetooth, Ethernet |
| Duplex Printing | Automatic (2-sided) |
| Ink Type | DURABrite Ultra Pigment Ink |
| Model Number | C11CJ07201 |
8. Warranty and Support
8.1 Warranty Information
The Epson WorkForce Pro WF-3820 printer comes with a Limited Warranty. For specific terms, conditions, and duration of your warranty, please refer to the warranty documentation included with your product or visit the official Epson website.
8.2 Customer Support
For technical assistance, driver downloads, FAQs, and additional support resources, please visit the official Epson support website. You can also find contact information for customer service there.





