Epson’s WorkForce WF-3640 is a versatile all-in-one inkjet printer, offering printing, scanning, copying, and faxing capabilities. It’s designed for home and small office use, providing reliable performance and quality.
Overview of the Printer
The Epson WorkForce WF-3640 is a color inkjet all-in-one printer designed for both home and small office environments. It boasts features like wireless connectivity, automatic two-sided printing (duplex), and an automatic document feeder (ADF) for streamlined document handling. This printer utilizes DURABrite Ultra ink cartridges – Black, Cyan, Magenta, and Yellow – ensuring durable, smudge-resistant prints.
It supports various paper types and sizes, offering flexibility for diverse printing needs. The WF-3640 excels in producing high-quality color prints with a resolution of up to 4800 x 2400 dpi. Included software, such as Epson Scan, enhances scanning capabilities, while the Epson iPrint app enables mobile printing and scanning from smartphones and tablets.
Key Features and Benefits
The Epson WorkForce WF-3640 delivers several key benefits. Wireless connectivity allows printing from various devices without direct cable connections. Duplex printing saves paper and reduces costs by automatically printing on both sides of the page. The Automatic Document Feeder (ADF) simplifies copying and scanning multi-page documents.
Its high-resolution printing (4800 x 2400 dpi) ensures sharp, vivid images and text. The Epson iPrint mobile app provides convenient printing and scanning on-the-go. Utilizing DURABrite Ultra ink, prints are smudge-resistant and durable. Furthermore, scan-to-PDF functionality streamlines document archiving and sharing.

Setting Up Your Printer
Initial setup involves unboxing, inspecting components, installing ink cartridges, and connecting the power cord. Ensure all parts are present before proceeding with installation.
Unboxing and Initial Inspection
Carefully unpack your Epson WorkForce WF-3640, ensuring all packing materials are removed from both inside and outside the printer. Verify the box contents against the included list: the printer itself, power cord, instruction manual, setup CD-ROM, and a set of DURABrite Ultra Ink cartridges (Black, Cyan, Magenta, and Yellow).
Inspect the printer for any visible damage that may have occurred during shipping. If damage is present, do not attempt to use the printer and contact Epson support or your retailer immediately. Retain all original packaging materials for potential returns or warranty claims. Confirm the presence of all included documentation for a smooth setup process.
Installing Ink Cartridges
Ensure the printer is powered on before installing ink. Open the printer cover to access the cartridge bay. The print head will move to the center. Gently remove the plastic tape and protective cap from each 252-series ink cartridge – Black, Cyan, Magenta, and Yellow.
Insert each cartridge into its corresponding color-coded slot, applying gentle pressure until it clicks securely into place. Confirm each cartridge is firmly seated. Close the printer cover. The printer will automatically initialize and charge the ink system, which may take several minutes. Do not interrupt this process to ensure optimal print quality.
Connecting to Power and Turning On
Locate the power cord included in the box and connect it securely to the back of the Epson WorkForce WF-3640 printer. Then, plug the other end into a grounded electrical outlet. Avoid using extension cords or power strips if possible, to ensure a stable power supply.
Press the power button, typically located on the front or side of the printer. The printer will initiate its startup sequence, which may include a self-test. Wait for the LCD screen to illuminate and display the printer’s status. The printer is now ready for setup and use.

Wireless Setup and Connectivity
Connect the WF-3640 to your Wi-Fi network for wireless printing and scanning. Utilize the Epson iPrint app or the printer’s control panel for easy setup.
Connecting to a Wi-Fi Network
Establishing a wireless connection allows convenient printing and scanning from various devices. Begin by accessing the printer’s control panel and navigating to the network settings. Select your Wi-Fi network from the available list, and enter the password when prompted.
Alternatively, utilize Epson’s iPrint app on your smartphone or tablet; it simplifies the connection process. Ensure your printer and device are on the same network. The printer will display a confirmation message upon successful connection. For advanced configurations, such as a static IP address, consult the detailed user guide available online for comprehensive instructions.
Using the Epson iPrint Mobile App
The Epson iPrint mobile app unlocks convenient mobile printing and scanning. Download and install the app on your smartphone or tablet. Once installed, ensure your device and the WF-3640 are connected to the same Wi-Fi network.
The app allows you to print PDFs, Microsoft Office documents, photos, and web pages directly from your mobile device. You can also scan documents and photos, saving them as PDFs or sending them via email. Furthermore, the app supports cloud storage services like Box, Dropbox, Evernote, and Google Drive for easy file management.
Network Configuration Options
The Epson WorkForce WF-3640 offers several network configuration options for seamless connectivity. Beyond standard Wi-Fi setup, you can utilize Wi-Fi Direct for direct device-to-printer connection without a router. This is ideal for temporary setups or when a network isn’t available.
The printer also supports Ethernet connectivity for a wired network connection, providing a stable and reliable link. Access the printer’s control panel to configure network settings, including IP address assignment and security protocols. Ensure your firewall settings allow communication with the printer for optimal performance and accessibility.

Printing with the WF-3640
The Epson WorkForce WF-3640 allows printing from computers and mobile devices via Wi-Fi or USB. Utilize the Epson iPrint app for convenient mobile printing.
Printing from a Computer
To print from your computer, ensure the Epson WorkForce WF-3640 is properly connected via USB or Wi-Fi. Once connected, open the document or image you wish to print. Select “Print” from the application’s file menu.
In the print dialog box, choose the WF-3640 as your printer. Adjust print settings like paper size, quality, and color mode as needed. You can print documents, photos, and web pages. The printer supports various document formats, including PDF and Microsoft Office files. Confirm your settings and click “Print” to begin.
Printing from Mobile Devices
The Epson WorkForce WF-3640 offers convenient mobile printing options. Utilize the Epson iPrint mobile app, available for iOS and Android, to print directly from your smartphone or tablet. Ensure your device and printer are connected to the same Wi-Fi network.
Within the app, you can print PDFs, Microsoft Office documents, photos, and web pages. The app also allows scanning and saving files to your device or cloud services like Box, Dropbox, and Google Drive. Alternatively, use Apple AirPrint for seamless printing from iOS devices without installing an app.
Paper Handling and Types
The Epson WorkForce WF-3640 supports a variety of paper types and sizes, enhancing its versatility. It accommodates standard US Letter and A4 sizes, along with other options like legal, executive, and envelope formats. The printer features a 100-sheet paper tray for efficient handling.
Supported paper weights range from 64 to 24 lb (24 to 90 g/m²). You can use plain paper, glossy photo paper, and specialty papers. For best results, select the appropriate paper type setting within the printer driver to optimize print quality and prevent paper jams.

Scanning and Copying
The Epson WorkForce WF-3640 efficiently scans documents and photos, and creates copies quickly. It supports Scan to PDF functionality, enhancing document management capabilities.
Scanning Documents and Photos
The Epson WorkForce WF-3640 offers versatile scanning capabilities for both documents and photographs; Utilizing the flatbed scanner, you can easily scan single sheets, while the 35-page Automatic Document Feeder (ADF) streamlines multi-page scanning tasks. The printer supports scanning resolutions up to 1200 dpi, ensuring detailed and clear scans.
Users can scan directly to a computer, email, or cloud storage services like Box, Dropbox, Evernote, and Google Drive using the Epson iPrint Mobile App. The Epson Scan software provides advanced features like optical character recognition (OCR) for converting scanned documents into editable text. High-quality photo scans are achievable with color restoration options.
Copying Documents
The Epson WorkForce WF-3640 facilitates efficient document copying with a maximum copy speed of 9.2 black and 6.0 color images per minute. It supports both black and white, as well as color copies, with a maximum copy resolution of 600 x 600 dpi. The integrated 35-sheet ADF enables unattended copying of multi-page documents, simplifying large-volume tasks.
Users can adjust copy settings such as darkness, contrast, and reduction/enlargement ratios directly from the printer’s control panel. The copier function also supports two-sided copying, saving paper and reducing environmental impact. Quick copy options allow for immediate document duplication with minimal setup.
Scan to PDF Functionality
The Epson WorkForce WF-3640 offers robust scan-to-PDF capabilities, allowing users to digitally archive documents easily. Utilizing Epson Scan software, documents can be scanned directly to searchable PDF files, enhancing organization and accessibility. The printer supports both single and double-sided scanning for PDF creation.

Scanned PDFs can be saved directly to a computer, USB drive, or networked folders. Furthermore, the Epson iPrint Mobile App enables scanning to cloud services like Box, Dropbox, Evernote, and Google Drive, providing convenient access from various devices. Optical Character Recognition (OCR) functionality is available for converting scanned documents into editable text.

Maintenance and Troubleshooting
Epson recommends regular print head cleaning and addressing paper jams promptly. The printer’s control panel assists in diagnosing and resolving common printing issues efficiently.
Cleaning the Print Head
Maintaining optimal print quality with your Epson WorkForce WF-3640 often requires cleaning the print head. This process removes dried ink that can cause streaks or inconsistent printing. You can initiate print head cleaning directly from the printer’s control panel, navigating through the setup menu.
The printer offers various cleaning levels, starting with a standard cleaning cycle. If streaks persist, a power cleaning cycle can be used, though it consumes more ink. It’s advisable to run a print quality check after each cleaning cycle to assess the results. Avoid excessive cleaning, as it can deplete ink unnecessarily. Regularly scheduled cleaning, based on usage, helps prevent print quality degradation.
Resolving Common Printing Issues
Encountering printing problems with your Epson WorkForce WF-3640 is common, but often easily resolved. Streaky prints usually indicate a need for print head cleaning, accessible through the printer’s control panel. Paper jams require carefully removing the paper, following the printer’s guided instructions to avoid damage.
If the printer isn’t recognized by your computer, ensure the USB cable is securely connected or re-establish the Wi-Fi connection. Low ink levels can cause faded prints; replace cartridges as needed. Regularly checking the printer’s status and error messages provides valuable troubleshooting clues.
Paper Jam Solutions
Addressing paper jams on your Epson WorkForce WF-3640 requires a gentle approach. First, power off the printer and carefully open the designated access doors – rear, front, or inside. Slowly and steadily remove any visible jammed paper, avoiding tearing. Inspect all areas for small fragments that might cause further issues.
Consult the printer’s display panel for specific jam location guidance. Ensure no obstructions remain before reloading paper and restarting the printer. Frequent jams may indicate paper quality issues or a problem with the paper feed rollers, requiring cleaning or replacement.

Understanding the Control Panel
The WF-3640’s control panel features an LCD screen and buttons for navigating settings, initiating scans/copies, and monitoring printer status efficiently.
Navigating the LCD Screen
Epson WorkForce WF-3640’s LCD screen serves as the central hub for controlling printer functions. The display presents clear icons and text for easy navigation. Use the directional buttons – typically up, down, left, and right – to scroll through menus and select options.
The ‘OK’ button confirms your selections, while the ‘Back’ or ‘Cancel’ button returns you to the previous screen. You can access settings for network configuration, print quality, paper handling, and maintenance. The LCD also displays printer status information, such as ink levels, error messages, and job progress. Familiarizing yourself with the screen layout will streamline your printing experience.
Button Functions and Settings
The Epson WorkForce WF-3640 control panel features dedicated buttons for common tasks. The ‘Home’ button accesses the main menu, providing access to various settings. ‘Start’ initiates printing or copying jobs, while ‘Stop’ cancels ongoing processes; Dedicated buttons for color and black & white printing offer quick selection.
Settings accessible through the control panel include print quality adjustments, paper size selection, and network configuration. You can also initiate printer maintenance routines, such as print head cleaning. The ‘Scan’ button directly starts the scanning process; Understanding each button’s function simplifies printer operation and customization.

Advanced Features
The Epson WorkForce WF-3640 boasts features like automatic duplex printing for two-sided documents and an Automatic Document Feeder (ADF) for hands-free scanning and copying.
Duplex Printing
Duplex printing, a standout feature of the Epson WorkForce WF-3640, allows you to automatically print on both sides of a page, significantly reducing paper consumption and costs. This eco-friendly function is easily enabled through the printer’s settings, accessible via the control panel or printer driver on your computer.
To activate duplex printing, simply select the “Duplex Printing” option within the print settings dialog box. You can choose between long-edge or short-edge binding, depending on your document’s layout. This feature is ideal for reports, documents, and other multi-page prints, promoting sustainability and organization. It streamlines workflow and minimizes environmental impact.
Automatic Document Feeder (ADF)
The Epson WorkForce WF-3640 incorporates a convenient Automatic Document Feeder (ADF), simplifying tasks like scanning and copying multiple pages. This feature allows you to load a stack of documents onto the ADF tray, and the printer will automatically feed each page through for processing, eliminating the need for manual page-by-page feeding.
The ADF supports single-sided and duplex scanning/copying, further enhancing efficiency. It’s perfect for digitizing multi-page documents or creating copies quickly. Access ADF settings through the printer’s control panel or software, adjusting parameters like scan resolution and copy quantity. This saves valuable time and effort, especially for larger document handling tasks.

Software and Drivers
Epson provides comprehensive software, including printer drivers, Epson Scan, and PC-Fax, ensuring seamless functionality and optimal performance for the WF-3640.
Installing Printer Drivers
Installing the printer drivers is crucial for establishing communication between your computer and the Epson WorkForce WF-3640. Typically, the drivers are included on the CD-ROM provided with the printer, but downloading the latest version from the Epson support website is recommended.
Begin by disconnecting the printer from your computer. Run the downloaded installer and follow the on-screen instructions. The installation wizard will guide you through selecting your connection type – USB or wireless. If connecting wirelessly, ensure your printer is powered on and connected to your Wi-Fi network.
The driver installation process may take several minutes. Once complete, reconnect the printer, and your operating system should recognize it automatically. You may need to restart your computer for the changes to take effect.
Using Epson Scan Software
Epson Scan software, included with the WorkForce WF-3640, allows you to control the scanning process and optimize image quality. Launch the software from your computer’s applications menu. The main window presents various scanning options, including document type, resolution, and color mode.
Select “Professional Mode” for advanced settings like color restoration and dust removal. For quick scans, “Home Mode” or “Office Mode” are suitable. Preview the scan before finalizing to adjust settings as needed. You can choose to save the scanned image as a PDF, JPEG, or other supported formats.
Epson Scan integrates with cloud services like Dropbox and Google Drive, enabling direct uploading of scanned documents.